diff --git a/avm/res/sql/server/README.md b/avm/res/sql/server/README.md
index 4f73df2fa8..874c590b74 100644
--- a/avm/res/sql/server/README.md
+++ b/avm/res/sql/server/README.md
@@ -1139,6 +1139,7 @@ module server 'br/public:avm/res/sql/server:<version>' = {
 | [`enableTelemetry`](#parameter-enabletelemetry) | bool | Enable/Disable usage telemetry for module. |
 | [`encryptionProtectorObj`](#parameter-encryptionprotectorobj) | object | The encryption protection configuration. |
 | [`firewallRules`](#parameter-firewallrules) | array | The firewall rules to create in the server. |
+| [`isIPv6Enabled`](#parameter-isipv6enabled) | string | Whether or not to enable IPv6 support for this server. |
 | [`keys`](#parameter-keys) | array | The keys to configure. |
 | [`location`](#parameter-location) | string | Location for all resources. |
 | [`lock`](#parameter-lock) | object | The lock settings of the service. |
@@ -1336,6 +1337,21 @@ The firewall rules to create in the server.
 - Type: array
 - Default: `[]`
 
+### Parameter: `isIPv6Enabled`
+
+Whether or not to enable IPv6 support for this server.
+
+- Required: No
+- Type: string
+- Default: `'Disabled'`
+- Allowed:
+  ```Bicep
+  [
+    'Disabled'
+    'Enabled'
+  ]
+  ```
+
 ### Parameter: `keys`
 
 The keys to configure.
@@ -1429,6 +1445,7 @@ Minimal TLS version allowed.
     '1.0'
     '1.1'
     '1.2'
+    '1.3'
   ]
   ```
 
@@ -1851,6 +1868,7 @@ Whether or not public network access is allowed for this resource. For security
     ''
     'Disabled'
     'Enabled'
+    'SecuredByPerimeter'
   ]
   ```
 
diff --git a/avm/res/sql/server/database/main.bicep b/avm/res/sql/server/database/main.bicep
index f26259ab84..f57f1b049e 100644
--- a/avm/res/sql/server/database/main.bicep
+++ b/avm/res/sql/server/database/main.bicep
@@ -211,12 +211,8 @@ module database_backupShortTermRetentionPolicy 'backup-short-term-retention-poli
   params: {
     serverName: serverName
     databaseName: database.name
-    diffBackupIntervalInHours: contains(backupShortTermRetentionPolicy, 'diffBackupIntervalInHours')
-      ? backupShortTermRetentionPolicy.diffBackupIntervalInHours
-      : 24
-    retentionDays: contains(backupShortTermRetentionPolicy, 'retentionDays')
-      ? backupShortTermRetentionPolicy.retentionDays
-      : 7
+    diffBackupIntervalInHours: backupShortTermRetentionPolicy.?diffBackupIntervalInHours ?? 24
+    retentionDays: backupShortTermRetentionPolicy.?retentionDays ?? 7
   }
 }
 
@@ -225,16 +221,10 @@ module database_backupLongTermRetentionPolicy 'backup-long-term-retention-policy
   params: {
     serverName: serverName
     databaseName: database.name
-    weeklyRetention: contains(backupLongTermRetentionPolicy, 'weeklyRetention')
-      ? backupLongTermRetentionPolicy.weeklyRetention
-      : ''
-    monthlyRetention: contains(backupLongTermRetentionPolicy, 'monthlyRetention')
-      ? backupLongTermRetentionPolicy.monthlyRetention
-      : ''
-    yearlyRetention: contains(backupLongTermRetentionPolicy, 'yearlyRetention')
-      ? backupLongTermRetentionPolicy.yearlyRetention
-      : ''
-    weekOfYear: contains(backupLongTermRetentionPolicy, 'weekOfYear') ? backupLongTermRetentionPolicy.weekOfYear : 1
+    weeklyRetention: backupLongTermRetentionPolicy.?weeklyRetention ?? ''
+    monthlyRetention: backupLongTermRetentionPolicy.?monthlyRetention ?? ''
+    yearlyRetention: backupLongTermRetentionPolicy.?yearlyRetention ?? ''
+    weekOfYear: backupLongTermRetentionPolicy.?weekOfYear ?? 1
   }
 }
 
diff --git a/avm/res/sql/server/database/main.json b/avm/res/sql/server/database/main.json
index a28b55efe8..a52b9b9427 100644
--- a/avm/res/sql/server/database/main.json
+++ b/avm/res/sql/server/database/main.json
@@ -6,7 +6,7 @@
     "_generator": {
       "name": "bicep",
       "version": "0.29.47.4906",
-      "templateHash": "6019999815954957727"
+      "templateHash": "1805182723135951408"
     },
     "name": "SQL Server Database",
     "description": "This module deploys an Azure SQL Server Database.",
@@ -474,8 +474,12 @@
           "databaseName": {
             "value": "[parameters('name')]"
           },
-          "diffBackupIntervalInHours": "[if(contains(parameters('backupShortTermRetentionPolicy'), 'diffBackupIntervalInHours'), createObject('value', parameters('backupShortTermRetentionPolicy').diffBackupIntervalInHours), createObject('value', 24))]",
-          "retentionDays": "[if(contains(parameters('backupShortTermRetentionPolicy'), 'retentionDays'), createObject('value', parameters('backupShortTermRetentionPolicy').retentionDays), createObject('value', 7))]"
+          "diffBackupIntervalInHours": {
+            "value": "[coalesce(tryGet(parameters('backupShortTermRetentionPolicy'), 'diffBackupIntervalInHours'), 24)]"
+          },
+          "retentionDays": {
+            "value": "[coalesce(tryGet(parameters('backupShortTermRetentionPolicy'), 'retentionDays'), 7)]"
+          }
         },
         "template": {
           "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
@@ -574,10 +578,18 @@
           "databaseName": {
             "value": "[parameters('name')]"
           },
-          "weeklyRetention": "[if(contains(parameters('backupLongTermRetentionPolicy'), 'weeklyRetention'), createObject('value', parameters('backupLongTermRetentionPolicy').weeklyRetention), createObject('value', ''))]",
-          "monthlyRetention": "[if(contains(parameters('backupLongTermRetentionPolicy'), 'monthlyRetention'), createObject('value', parameters('backupLongTermRetentionPolicy').monthlyRetention), createObject('value', ''))]",
-          "yearlyRetention": "[if(contains(parameters('backupLongTermRetentionPolicy'), 'yearlyRetention'), createObject('value', parameters('backupLongTermRetentionPolicy').yearlyRetention), createObject('value', ''))]",
-          "weekOfYear": "[if(contains(parameters('backupLongTermRetentionPolicy'), 'weekOfYear'), createObject('value', parameters('backupLongTermRetentionPolicy').weekOfYear), createObject('value', 1))]"
+          "weeklyRetention": {
+            "value": "[coalesce(tryGet(parameters('backupLongTermRetentionPolicy'), 'weeklyRetention'), '')]"
+          },
+          "monthlyRetention": {
+            "value": "[coalesce(tryGet(parameters('backupLongTermRetentionPolicy'), 'monthlyRetention'), '')]"
+          },
+          "yearlyRetention": {
+            "value": "[coalesce(tryGet(parameters('backupLongTermRetentionPolicy'), 'yearlyRetention'), '')]"
+          },
+          "weekOfYear": {
+            "value": "[coalesce(tryGet(parameters('backupLongTermRetentionPolicy'), 'weekOfYear'), 1)]"
+          }
         },
         "template": {
           "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
diff --git a/avm/res/sql/server/main.bicep b/avm/res/sql/server/main.bicep
index e628668146..7e20d5b142 100644
--- a/avm/res/sql/server/main.bicep
+++ b/avm/res/sql/server/main.bicep
@@ -58,10 +58,18 @@ param administrators object = {}
   '1.0'
   '1.1'
   '1.2'
+  '1.3'
 ])
 @description('Optional. Minimal TLS version allowed.')
 param minimalTlsVersion string = '1.2'
 
+@allowed([
+  'Disabled'
+  'Enabled'
+])
+@description('Optional. Whether or not to enable IPv6 support for this server.')
+param isIPv6Enabled string = 'Disabled'
+
 @description('Optional. Configuration details for private endpoints. For security reasons, it is recommended to use private endpoints whenever possible.')
 param privateEndpoints privateEndpointType
 
@@ -70,6 +78,7 @@ param privateEndpoints privateEndpointType
   ''
   'Enabled'
   'Disabled'
+  'SecuredByPerimeter'
 ])
 param publicNetworkAccess string = ''
 
@@ -199,9 +208,10 @@ resource server 'Microsoft.Sql/servers@2023-08-01-preview' = {
     minimalTlsVersion: minimalTlsVersion
     primaryUserAssignedIdentityId: !empty(primaryUserAssignedIdentityId) ? primaryUserAssignedIdentityId : null
     publicNetworkAccess: !empty(publicNetworkAccess)
-      ? any(publicNetworkAccess)
+      ? publicNetworkAccess
       : (!empty(privateEndpoints) && empty(firewallRules) && empty(virtualNetworkRules) ? 'Disabled' : null)
     restrictOutboundNetworkAccess: !empty(restrictOutboundNetworkAccess) ? restrictOutboundNetworkAccess : null
+    isIPv6Enabled: isIPv6Enabled
   }
 }
 
@@ -238,48 +248,34 @@ module server_databases 'database/main.bicep' = [
     params: {
       name: database.name
       serverName: server.name
-      skuTier: contains(database, 'skuTier') ? database.skuTier : 'GeneralPurpose'
-      skuName: contains(database, 'skuName') ? database.skuName : 'GP_Gen5_2'
+      skuTier: database.?skuTier ?? 'GeneralPurpose'
+      skuName: database.?skuName ?? 'GP_Gen5_2'
       skuCapacity: database.?skuCapacity
-      skuFamily: contains(database, 'skuFamily') ? database.skuFamily : ''
-      skuSize: contains(database, 'skuSize') ? database.skuSize : ''
-      collation: contains(database, 'collation') ? database.collation : 'SQL_Latin1_General_CP1_CI_AS'
-      maxSizeBytes: contains(database, 'maxSizeBytes') ? database.maxSizeBytes : 34359738368
-      autoPauseDelay: contains(database, 'autoPauseDelay') ? database.autoPauseDelay : 0
+      skuFamily: database.?skuFamily ?? ''
+      skuSize: database.?skuSize ?? ''
+      collation: database.?collation ?? 'SQL_Latin1_General_CP1_CI_AS'
+      maxSizeBytes: database.?maxSizeBytes ?? 34359738368
+      autoPauseDelay: database.?autoPauseDelay ?? 0
       diagnosticSettings: database.?diagnosticSettings
-      isLedgerOn: contains(database, 'isLedgerOn') ? database.isLedgerOn : false
+      isLedgerOn: database.?isLedgerOn ?? false
       location: location
-      licenseType: contains(database, 'licenseType') ? database.licenseType : ''
-      maintenanceConfigurationId: contains(database, 'maintenanceConfigurationId')
-        ? database.maintenanceConfigurationId
-        : ''
-      minCapacity: contains(database, 'minCapacity') ? database.minCapacity : ''
-      highAvailabilityReplicaCount: contains(database, 'highAvailabilityReplicaCount')
-        ? database.highAvailabilityReplicaCount
-        : 0
-      readScale: contains(database, 'readScale') ? database.readScale : 'Disabled'
-      requestedBackupStorageRedundancy: contains(database, 'requestedBackupStorageRedundancy')
-        ? database.requestedBackupStorageRedundancy
-        : ''
-      sampleName: contains(database, 'sampleName') ? database.sampleName : ''
+      licenseType: database.?licenseType ?? ''
+      maintenanceConfigurationId: database.?maintenanceConfigurationId ?? ''
+      minCapacity: database.?minCapacity ?? ''
+      highAvailabilityReplicaCount: database.?highAvailabilityReplicaCount ?? 0
+      readScale: database.?readScale ?? 'Disabled'
+      requestedBackupStorageRedundancy: database.?requestedBackupStorageRedundancy ?? ''
+      sampleName: database.?sampleName ?? ''
       tags: database.?tags ?? tags
-      zoneRedundant: contains(database, 'zoneRedundant') ? database.zoneRedundant : true
-      elasticPoolId: contains(database, 'elasticPoolId') ? database.elasticPoolId : ''
-      backupShortTermRetentionPolicy: contains(database, 'backupShortTermRetentionPolicy')
-        ? database.backupShortTermRetentionPolicy
-        : {}
-      backupLongTermRetentionPolicy: contains(database, 'backupLongTermRetentionPolicy')
-        ? database.backupLongTermRetentionPolicy
-        : {}
-      createMode: contains(database, 'createMode') ? database.createMode : 'Default'
-      sourceDatabaseResourceId: contains(database, 'sourceDatabaseResourceId') ? database.sourceDatabaseResourceId : ''
-      sourceDatabaseDeletionDate: contains(database, 'sourceDatabaseDeletionDate')
-        ? database.sourceDatabaseDeletionDate
-        : ''
-      recoveryServicesRecoveryPointResourceId: contains(database, 'recoveryServicesRecoveryPointResourceId')
-        ? database.recoveryServicesRecoveryPointResourceId
-        : ''
-      restorePointInTime: contains(database, 'restorePointInTime') ? database.restorePointInTime : ''
+      zoneRedundant: database.?zoneRedundant ?? true
+      elasticPoolId: database.?elasticPoolId ?? ''
+      backupShortTermRetentionPolicy: database.?backupShortTermRetentionPolicy ?? {}
+      backupLongTermRetentionPolicy: database.?backupLongTermRetentionPolicy ?? {}
+      createMode: database.?createMode ?? 'Default'
+      sourceDatabaseResourceId: database.?sourceDatabaseResourceId ?? ''
+      sourceDatabaseDeletionDate: database.?sourceDatabaseDeletionDate ?? ''
+      recoveryServicesRecoveryPointResourceId: database.?recoveryServicesRecoveryPointResourceId ?? ''
+      restorePointInTime: database.?restorePointInTime ?? ''
     }
     dependsOn: [
       server_elasticPools // Enables us to add databases to existing elastic pools
@@ -293,19 +289,17 @@ module server_elasticPools 'elastic-pool/main.bicep' = [
     params: {
       name: elasticPool.name
       serverName: server.name
-      databaseMaxCapacity: contains(elasticPool, 'databaseMaxCapacity') ? elasticPool.databaseMaxCapacity : 2
-      databaseMinCapacity: contains(elasticPool, 'databaseMinCapacity') ? elasticPool.databaseMinCapacity : 0
+      databaseMaxCapacity: elasticPool.?databaseMaxCapacity ?? 2
+      databaseMinCapacity: elasticPool.?databaseMinCapacity ?? 0
       highAvailabilityReplicaCount: elasticPool.?highAvailabilityReplicaCount
-      licenseType: contains(elasticPool, 'licenseType') ? elasticPool.licenseType : 'LicenseIncluded'
-      maintenanceConfigurationId: contains(elasticPool, 'maintenanceConfigurationId')
-        ? elasticPool.maintenanceConfigurationId
-        : ''
-      maxSizeBytes: contains(elasticPool, 'maxSizeBytes') ? elasticPool.maxSizeBytes : 34359738368
+      licenseType: elasticPool.?licenseType ?? 'LicenseIncluded'
+      maintenanceConfigurationId: elasticPool.?maintenanceConfigurationId ?? ''
+      maxSizeBytes: elasticPool.?maxSizeBytes ?? 34359738368
       minCapacity: elasticPool.?minCapacity
-      skuCapacity: contains(elasticPool, 'skuCapacity') ? elasticPool.skuCapacity : 2
-      skuName: contains(elasticPool, 'skuName') ? elasticPool.skuName : 'GP_Gen5'
-      skuTier: contains(elasticPool, 'skuTier') ? elasticPool.skuTier : 'GeneralPurpose'
-      zoneRedundant: contains(elasticPool, 'zoneRedundant') ? elasticPool.zoneRedundant : true
+      skuCapacity: elasticPool.?skuCapacity ?? 2
+      skuName: elasticPool.?skuName ?? 'GP_Gen5'
+      skuTier: elasticPool.?skuTier ?? 'GeneralPurpose'
+      zoneRedundant: elasticPool.?zoneRedundant ?? true
       location: location
       tags: elasticPool.?tags ?? tags
     }
@@ -370,8 +364,8 @@ module server_firewallRules 'firewall-rule/main.bicep' = [
     params: {
       name: firewallRule.name
       serverName: server.name
-      endIpAddress: contains(firewallRule, 'endIpAddress') ? firewallRule.endIpAddress : '0.0.0.0'
-      startIpAddress: contains(firewallRule, 'startIpAddress') ? firewallRule.startIpAddress : '0.0.0.0'
+      endIpAddress: firewallRule.?endIpAddress ?? '0.0.0.0'
+      startIpAddress: firewallRule.?startIpAddress ?? '0.0.0.0'
     }
   }
 ]
@@ -382,9 +376,7 @@ module server_virtualNetworkRules 'virtual-network-rule/main.bicep' = [
     params: {
       name: virtualNetworkRule.name
       serverName: server.name
-      ignoreMissingVnetServiceEndpoint: contains(virtualNetworkRule, 'ignoreMissingVnetServiceEndpoint')
-        ? virtualNetworkRule.ignoreMissingVnetServiceEndpoint
-        : false
+      ignoreMissingVnetServiceEndpoint: virtualNetworkRule.?ignoreMissingVnetServiceEndpoint ?? false
       virtualNetworkSubnetId: virtualNetworkRule.virtualNetworkSubnetId
     }
   }
@@ -396,17 +388,13 @@ module server_securityAlertPolicies 'security-alert-policy/main.bicep' = [
     params: {
       name: securityAlertPolicy.name
       serverName: server.name
-      disabledAlerts: contains(securityAlertPolicy, 'disabledAlerts') ? securityAlertPolicy.disabledAlerts : []
-      emailAccountAdmins: contains(securityAlertPolicy, 'emailAccountAdmins')
-        ? securityAlertPolicy.emailAccountAdmins
-        : false
-      emailAddresses: contains(securityAlertPolicy, 'emailAddresses') ? securityAlertPolicy.emailAddresses : []
-      retentionDays: contains(securityAlertPolicy, 'retentionDays') ? securityAlertPolicy.retentionDays : 0
-      state: contains(securityAlertPolicy, 'state') ? securityAlertPolicy.state : 'Disabled'
-      storageAccountAccessKey: contains(securityAlertPolicy, 'storageAccountAccessKey')
-        ? securityAlertPolicy.storageAccountAccessKey
-        : ''
-      storageEndpoint: contains(securityAlertPolicy, 'storageEndpoint') ? securityAlertPolicy.storageEndpoint : ''
+      disabledAlerts: securityAlertPolicy.?disabledAlerts ?? []
+      emailAccountAdmins: securityAlertPolicy.?emailAccountAdmins ?? false
+      emailAddresses: securityAlertPolicy.?emailAddresses ?? []
+      retentionDays: securityAlertPolicy.?retentionDays ?? 0
+      state: securityAlertPolicy.?state ?? 'Disabled'
+      storageAccountAccessKey: securityAlertPolicy.?storageAccountAccessKey ?? ''
+      storageEndpoint: securityAlertPolicy.?storageEndpoint ?? ''
     }
   }
 ]
@@ -416,25 +404,12 @@ module server_vulnerabilityAssessment 'vulnerability-assessment/main.bicep' = if
   params: {
     serverName: server.name
     name: vulnerabilityAssessmentsObj.name
-    recurringScansEmails: contains(vulnerabilityAssessmentsObj, 'recurringScansEmails')
-      ? vulnerabilityAssessmentsObj.recurringScansEmails
-      : []
-    recurringScansEmailSubscriptionAdmins: contains(
-        vulnerabilityAssessmentsObj,
-        'recurringScansEmailSubscriptionAdmins'
-      )
-      ? vulnerabilityAssessmentsObj.recurringScansEmailSubscriptionAdmins
-      : false
-    recurringScansIsEnabled: contains(vulnerabilityAssessmentsObj, 'recurringScansIsEnabled')
-      ? vulnerabilityAssessmentsObj.recurringScansIsEnabled
-      : false
+    recurringScansEmails: vulnerabilityAssessmentsObj.?recurringScansEmails ?? []
+    recurringScansEmailSubscriptionAdmins: vulnerabilityAssessmentsObj.?recurringScansEmailSubscriptionAdmins ?? false
+    recurringScansIsEnabled: vulnerabilityAssessmentsObj.?recurringScansIsEnabled ?? false
     storageAccountResourceId: vulnerabilityAssessmentsObj.storageAccountResourceId
-    useStorageAccountAccessKey: contains(vulnerabilityAssessmentsObj, 'useStorageAccountAccessKey')
-      ? vulnerabilityAssessmentsObj.useStorageAccountAccessKey
-      : false
-    createStorageRoleAssignment: contains(vulnerabilityAssessmentsObj, 'createStorageRoleAssignment')
-      ? vulnerabilityAssessmentsObj.createStorageRoleAssignment
-      : true
+    useStorageAccountAccessKey: vulnerabilityAssessmentsObj.?useStorageAccountAccessKey ?? false
+    createStorageRoleAssignment: vulnerabilityAssessmentsObj.?createStorageRoleAssignment ?? true
   }
   dependsOn: [
     server_securityAlertPolicies
@@ -447,8 +422,8 @@ module server_keys 'key/main.bicep' = [
     params: {
       name: key.?name
       serverName: server.name
-      serverKeyType: contains(key, 'serverKeyType') ? key.serverKeyType : 'ServiceManaged'
-      uri: contains(key, 'uri') ? key.uri : ''
+      serverKeyType: key.?serverKeyType ?? 'ServiceManaged'
+      uri: key.?uri ?? ''
     }
   }
 ]
@@ -458,12 +433,8 @@ module server_encryptionProtector 'encryption-protector/main.bicep' = if (!empty
   params: {
     sqlServerName: server.name
     serverKeyName: encryptionProtectorObj.serverKeyName
-    serverKeyType: contains(encryptionProtectorObj, 'serverKeyType')
-      ? encryptionProtectorObj.serverKeyType
-      : 'ServiceManaged'
-    autoRotationEnabled: contains(encryptionProtectorObj, 'autoRotationEnabled')
-      ? encryptionProtectorObj.autoRotationEnabled
-      : true
+    serverKeyType: encryptionProtectorObj.?serverKeyType ?? 'ServiceManaged'
+    autoRotationEnabled: encryptionProtectorObj.?autoRotationEnabled ?? true
   }
   dependsOn: [
     server_keys
diff --git a/avm/res/sql/server/main.json b/avm/res/sql/server/main.json
index b13a78c08f..f3dcbf9d07 100644
--- a/avm/res/sql/server/main.json
+++ b/avm/res/sql/server/main.json
@@ -6,7 +6,7 @@
     "_generator": {
       "name": "bicep",
       "version": "0.29.47.4906",
-      "templateHash": "13031224188572751832"
+      "templateHash": "12193891383187993365"
     },
     "name": "Azure SQL Servers",
     "description": "This module deploys an Azure SQL Server.",
@@ -558,12 +558,24 @@
       "allowedValues": [
         "1.0",
         "1.1",
-        "1.2"
+        "1.2",
+        "1.3"
       ],
       "metadata": {
         "description": "Optional. Minimal TLS version allowed."
       }
     },
+    "isIPv6Enabled": {
+      "type": "string",
+      "defaultValue": "Disabled",
+      "allowedValues": [
+        "Disabled",
+        "Enabled"
+      ],
+      "metadata": {
+        "description": "Optional. Whether or not to enable IPv6 support for this server."
+      }
+    },
     "privateEndpoints": {
       "$ref": "#/definitions/privateEndpointType",
       "metadata": {
@@ -576,7 +588,8 @@
       "allowedValues": [
         "",
         "Enabled",
-        "Disabled"
+        "Disabled",
+        "SecuredByPerimeter"
       ],
       "metadata": {
         "description": "Optional. Whether or not public network access is allowed for this resource. For security reasons it should be disabled. If not specified, it will be disabled by default if private endpoints are set and neither firewall rules nor virtual network rules are set."
@@ -677,7 +690,8 @@
         "minimalTlsVersion": "[parameters('minimalTlsVersion')]",
         "primaryUserAssignedIdentityId": "[if(not(empty(parameters('primaryUserAssignedIdentityId'))), parameters('primaryUserAssignedIdentityId'), null())]",
         "publicNetworkAccess": "[if(not(empty(parameters('publicNetworkAccess'))), parameters('publicNetworkAccess'), if(and(and(not(empty(parameters('privateEndpoints'))), empty(parameters('firewallRules'))), empty(parameters('virtualNetworkRules'))), 'Disabled', null()))]",
-        "restrictOutboundNetworkAccess": "[if(not(empty(parameters('restrictOutboundNetworkAccess'))), parameters('restrictOutboundNetworkAccess'), null())]"
+        "restrictOutboundNetworkAccess": "[if(not(empty(parameters('restrictOutboundNetworkAccess'))), parameters('restrictOutboundNetworkAccess'), null())]",
+        "isIPv6Enabled": "[parameters('isIPv6Enabled')]"
       }
     },
     "server_lock": {
@@ -736,42 +750,90 @@
           "serverName": {
             "value": "[parameters('name')]"
           },
-          "skuTier": "[if(contains(parameters('databases')[copyIndex()], 'skuTier'), createObject('value', parameters('databases')[copyIndex()].skuTier), createObject('value', 'GeneralPurpose'))]",
-          "skuName": "[if(contains(parameters('databases')[copyIndex()], 'skuName'), createObject('value', parameters('databases')[copyIndex()].skuName), createObject('value', 'GP_Gen5_2'))]",
+          "skuTier": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'skuTier'), 'GeneralPurpose')]"
+          },
+          "skuName": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'skuName'), 'GP_Gen5_2')]"
+          },
           "skuCapacity": {
             "value": "[tryGet(parameters('databases')[copyIndex()], 'skuCapacity')]"
           },
-          "skuFamily": "[if(contains(parameters('databases')[copyIndex()], 'skuFamily'), createObject('value', parameters('databases')[copyIndex()].skuFamily), createObject('value', ''))]",
-          "skuSize": "[if(contains(parameters('databases')[copyIndex()], 'skuSize'), createObject('value', parameters('databases')[copyIndex()].skuSize), createObject('value', ''))]",
-          "collation": "[if(contains(parameters('databases')[copyIndex()], 'collation'), createObject('value', parameters('databases')[copyIndex()].collation), createObject('value', 'SQL_Latin1_General_CP1_CI_AS'))]",
-          "maxSizeBytes": "[if(contains(parameters('databases')[copyIndex()], 'maxSizeBytes'), createObject('value', parameters('databases')[copyIndex()].maxSizeBytes), createObject('value', json('34359738368')))]",
-          "autoPauseDelay": "[if(contains(parameters('databases')[copyIndex()], 'autoPauseDelay'), createObject('value', parameters('databases')[copyIndex()].autoPauseDelay), createObject('value', 0))]",
+          "skuFamily": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'skuFamily'), '')]"
+          },
+          "skuSize": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'skuSize'), '')]"
+          },
+          "collation": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'collation'), 'SQL_Latin1_General_CP1_CI_AS')]"
+          },
+          "maxSizeBytes": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'maxSizeBytes'), json('34359738368'))]"
+          },
+          "autoPauseDelay": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'autoPauseDelay'), 0)]"
+          },
           "diagnosticSettings": {
             "value": "[tryGet(parameters('databases')[copyIndex()], 'diagnosticSettings')]"
           },
-          "isLedgerOn": "[if(contains(parameters('databases')[copyIndex()], 'isLedgerOn'), createObject('value', parameters('databases')[copyIndex()].isLedgerOn), createObject('value', false()))]",
+          "isLedgerOn": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'isLedgerOn'), false())]"
+          },
           "location": {
             "value": "[parameters('location')]"
           },
-          "licenseType": "[if(contains(parameters('databases')[copyIndex()], 'licenseType'), createObject('value', parameters('databases')[copyIndex()].licenseType), createObject('value', ''))]",
-          "maintenanceConfigurationId": "[if(contains(parameters('databases')[copyIndex()], 'maintenanceConfigurationId'), createObject('value', parameters('databases')[copyIndex()].maintenanceConfigurationId), createObject('value', ''))]",
-          "minCapacity": "[if(contains(parameters('databases')[copyIndex()], 'minCapacity'), createObject('value', parameters('databases')[copyIndex()].minCapacity), createObject('value', ''))]",
-          "highAvailabilityReplicaCount": "[if(contains(parameters('databases')[copyIndex()], 'highAvailabilityReplicaCount'), createObject('value', parameters('databases')[copyIndex()].highAvailabilityReplicaCount), createObject('value', 0))]",
-          "readScale": "[if(contains(parameters('databases')[copyIndex()], 'readScale'), createObject('value', parameters('databases')[copyIndex()].readScale), createObject('value', 'Disabled'))]",
-          "requestedBackupStorageRedundancy": "[if(contains(parameters('databases')[copyIndex()], 'requestedBackupStorageRedundancy'), createObject('value', parameters('databases')[copyIndex()].requestedBackupStorageRedundancy), createObject('value', ''))]",
-          "sampleName": "[if(contains(parameters('databases')[copyIndex()], 'sampleName'), createObject('value', parameters('databases')[copyIndex()].sampleName), createObject('value', ''))]",
+          "licenseType": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'licenseType'), '')]"
+          },
+          "maintenanceConfigurationId": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'maintenanceConfigurationId'), '')]"
+          },
+          "minCapacity": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'minCapacity'), '')]"
+          },
+          "highAvailabilityReplicaCount": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'highAvailabilityReplicaCount'), 0)]"
+          },
+          "readScale": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'readScale'), 'Disabled')]"
+          },
+          "requestedBackupStorageRedundancy": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'requestedBackupStorageRedundancy'), '')]"
+          },
+          "sampleName": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'sampleName'), '')]"
+          },
           "tags": {
             "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'tags'), parameters('tags'))]"
           },
-          "zoneRedundant": "[if(contains(parameters('databases')[copyIndex()], 'zoneRedundant'), createObject('value', parameters('databases')[copyIndex()].zoneRedundant), createObject('value', true()))]",
-          "elasticPoolId": "[if(contains(parameters('databases')[copyIndex()], 'elasticPoolId'), createObject('value', parameters('databases')[copyIndex()].elasticPoolId), createObject('value', ''))]",
-          "backupShortTermRetentionPolicy": "[if(contains(parameters('databases')[copyIndex()], 'backupShortTermRetentionPolicy'), createObject('value', parameters('databases')[copyIndex()].backupShortTermRetentionPolicy), createObject('value', createObject()))]",
-          "backupLongTermRetentionPolicy": "[if(contains(parameters('databases')[copyIndex()], 'backupLongTermRetentionPolicy'), createObject('value', parameters('databases')[copyIndex()].backupLongTermRetentionPolicy), createObject('value', createObject()))]",
-          "createMode": "[if(contains(parameters('databases')[copyIndex()], 'createMode'), createObject('value', parameters('databases')[copyIndex()].createMode), createObject('value', 'Default'))]",
-          "sourceDatabaseResourceId": "[if(contains(parameters('databases')[copyIndex()], 'sourceDatabaseResourceId'), createObject('value', parameters('databases')[copyIndex()].sourceDatabaseResourceId), createObject('value', ''))]",
-          "sourceDatabaseDeletionDate": "[if(contains(parameters('databases')[copyIndex()], 'sourceDatabaseDeletionDate'), createObject('value', parameters('databases')[copyIndex()].sourceDatabaseDeletionDate), createObject('value', ''))]",
-          "recoveryServicesRecoveryPointResourceId": "[if(contains(parameters('databases')[copyIndex()], 'recoveryServicesRecoveryPointResourceId'), createObject('value', parameters('databases')[copyIndex()].recoveryServicesRecoveryPointResourceId), createObject('value', ''))]",
-          "restorePointInTime": "[if(contains(parameters('databases')[copyIndex()], 'restorePointInTime'), createObject('value', parameters('databases')[copyIndex()].restorePointInTime), createObject('value', ''))]"
+          "zoneRedundant": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'zoneRedundant'), true())]"
+          },
+          "elasticPoolId": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'elasticPoolId'), '')]"
+          },
+          "backupShortTermRetentionPolicy": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'backupShortTermRetentionPolicy'), createObject())]"
+          },
+          "backupLongTermRetentionPolicy": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'backupLongTermRetentionPolicy'), createObject())]"
+          },
+          "createMode": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'createMode'), 'Default')]"
+          },
+          "sourceDatabaseResourceId": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'sourceDatabaseResourceId'), '')]"
+          },
+          "sourceDatabaseDeletionDate": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'sourceDatabaseDeletionDate'), '')]"
+          },
+          "recoveryServicesRecoveryPointResourceId": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'recoveryServicesRecoveryPointResourceId'), '')]"
+          },
+          "restorePointInTime": {
+            "value": "[coalesce(tryGet(parameters('databases')[copyIndex()], 'restorePointInTime'), '')]"
+          }
         },
         "template": {
           "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
@@ -781,7 +843,7 @@
             "_generator": {
               "name": "bicep",
               "version": "0.29.47.4906",
-              "templateHash": "6019999815954957727"
+              "templateHash": "1805182723135951408"
             },
             "name": "SQL Server Database",
             "description": "This module deploys an Azure SQL Server Database.",
@@ -1249,8 +1311,12 @@
                   "databaseName": {
                     "value": "[parameters('name')]"
                   },
-                  "diffBackupIntervalInHours": "[if(contains(parameters('backupShortTermRetentionPolicy'), 'diffBackupIntervalInHours'), createObject('value', parameters('backupShortTermRetentionPolicy').diffBackupIntervalInHours), createObject('value', 24))]",
-                  "retentionDays": "[if(contains(parameters('backupShortTermRetentionPolicy'), 'retentionDays'), createObject('value', parameters('backupShortTermRetentionPolicy').retentionDays), createObject('value', 7))]"
+                  "diffBackupIntervalInHours": {
+                    "value": "[coalesce(tryGet(parameters('backupShortTermRetentionPolicy'), 'diffBackupIntervalInHours'), 24)]"
+                  },
+                  "retentionDays": {
+                    "value": "[coalesce(tryGet(parameters('backupShortTermRetentionPolicy'), 'retentionDays'), 7)]"
+                  }
                 },
                 "template": {
                   "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
@@ -1349,10 +1415,18 @@
                   "databaseName": {
                     "value": "[parameters('name')]"
                   },
-                  "weeklyRetention": "[if(contains(parameters('backupLongTermRetentionPolicy'), 'weeklyRetention'), createObject('value', parameters('backupLongTermRetentionPolicy').weeklyRetention), createObject('value', ''))]",
-                  "monthlyRetention": "[if(contains(parameters('backupLongTermRetentionPolicy'), 'monthlyRetention'), createObject('value', parameters('backupLongTermRetentionPolicy').monthlyRetention), createObject('value', ''))]",
-                  "yearlyRetention": "[if(contains(parameters('backupLongTermRetentionPolicy'), 'yearlyRetention'), createObject('value', parameters('backupLongTermRetentionPolicy').yearlyRetention), createObject('value', ''))]",
-                  "weekOfYear": "[if(contains(parameters('backupLongTermRetentionPolicy'), 'weekOfYear'), createObject('value', parameters('backupLongTermRetentionPolicy').weekOfYear), createObject('value', 1))]"
+                  "weeklyRetention": {
+                    "value": "[coalesce(tryGet(parameters('backupLongTermRetentionPolicy'), 'weeklyRetention'), '')]"
+                  },
+                  "monthlyRetention": {
+                    "value": "[coalesce(tryGet(parameters('backupLongTermRetentionPolicy'), 'monthlyRetention'), '')]"
+                  },
+                  "yearlyRetention": {
+                    "value": "[coalesce(tryGet(parameters('backupLongTermRetentionPolicy'), 'yearlyRetention'), '')]"
+                  },
+                  "weekOfYear": {
+                    "value": "[coalesce(tryGet(parameters('backupLongTermRetentionPolicy'), 'weekOfYear'), 1)]"
+                  }
                 },
                 "template": {
                   "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
@@ -1509,21 +1583,39 @@
           "serverName": {
             "value": "[parameters('name')]"
           },
-          "databaseMaxCapacity": "[if(contains(parameters('elasticPools')[copyIndex()], 'databaseMaxCapacity'), createObject('value', parameters('elasticPools')[copyIndex()].databaseMaxCapacity), createObject('value', 2))]",
-          "databaseMinCapacity": "[if(contains(parameters('elasticPools')[copyIndex()], 'databaseMinCapacity'), createObject('value', parameters('elasticPools')[copyIndex()].databaseMinCapacity), createObject('value', 0))]",
+          "databaseMaxCapacity": {
+            "value": "[coalesce(tryGet(parameters('elasticPools')[copyIndex()], 'databaseMaxCapacity'), 2)]"
+          },
+          "databaseMinCapacity": {
+            "value": "[coalesce(tryGet(parameters('elasticPools')[copyIndex()], 'databaseMinCapacity'), 0)]"
+          },
           "highAvailabilityReplicaCount": {
             "value": "[tryGet(parameters('elasticPools')[copyIndex()], 'highAvailabilityReplicaCount')]"
           },
-          "licenseType": "[if(contains(parameters('elasticPools')[copyIndex()], 'licenseType'), createObject('value', parameters('elasticPools')[copyIndex()].licenseType), createObject('value', 'LicenseIncluded'))]",
-          "maintenanceConfigurationId": "[if(contains(parameters('elasticPools')[copyIndex()], 'maintenanceConfigurationId'), createObject('value', parameters('elasticPools')[copyIndex()].maintenanceConfigurationId), createObject('value', ''))]",
-          "maxSizeBytes": "[if(contains(parameters('elasticPools')[copyIndex()], 'maxSizeBytes'), createObject('value', parameters('elasticPools')[copyIndex()].maxSizeBytes), createObject('value', json('34359738368')))]",
+          "licenseType": {
+            "value": "[coalesce(tryGet(parameters('elasticPools')[copyIndex()], 'licenseType'), 'LicenseIncluded')]"
+          },
+          "maintenanceConfigurationId": {
+            "value": "[coalesce(tryGet(parameters('elasticPools')[copyIndex()], 'maintenanceConfigurationId'), '')]"
+          },
+          "maxSizeBytes": {
+            "value": "[coalesce(tryGet(parameters('elasticPools')[copyIndex()], 'maxSizeBytes'), json('34359738368'))]"
+          },
           "minCapacity": {
             "value": "[tryGet(parameters('elasticPools')[copyIndex()], 'minCapacity')]"
           },
-          "skuCapacity": "[if(contains(parameters('elasticPools')[copyIndex()], 'skuCapacity'), createObject('value', parameters('elasticPools')[copyIndex()].skuCapacity), createObject('value', 2))]",
-          "skuName": "[if(contains(parameters('elasticPools')[copyIndex()], 'skuName'), createObject('value', parameters('elasticPools')[copyIndex()].skuName), createObject('value', 'GP_Gen5'))]",
-          "skuTier": "[if(contains(parameters('elasticPools')[copyIndex()], 'skuTier'), createObject('value', parameters('elasticPools')[copyIndex()].skuTier), createObject('value', 'GeneralPurpose'))]",
-          "zoneRedundant": "[if(contains(parameters('elasticPools')[copyIndex()], 'zoneRedundant'), createObject('value', parameters('elasticPools')[copyIndex()].zoneRedundant), createObject('value', true()))]",
+          "skuCapacity": {
+            "value": "[coalesce(tryGet(parameters('elasticPools')[copyIndex()], 'skuCapacity'), 2)]"
+          },
+          "skuName": {
+            "value": "[coalesce(tryGet(parameters('elasticPools')[copyIndex()], 'skuName'), 'GP_Gen5')]"
+          },
+          "skuTier": {
+            "value": "[coalesce(tryGet(parameters('elasticPools')[copyIndex()], 'skuTier'), 'GeneralPurpose')]"
+          },
+          "zoneRedundant": {
+            "value": "[coalesce(tryGet(parameters('elasticPools')[copyIndex()], 'zoneRedundant'), true())]"
+          },
           "location": {
             "value": "[parameters('location')]"
           },
@@ -2511,8 +2603,12 @@
           "serverName": {
             "value": "[parameters('name')]"
           },
-          "endIpAddress": "[if(contains(parameters('firewallRules')[copyIndex()], 'endIpAddress'), createObject('value', parameters('firewallRules')[copyIndex()].endIpAddress), createObject('value', '0.0.0.0'))]",
-          "startIpAddress": "[if(contains(parameters('firewallRules')[copyIndex()], 'startIpAddress'), createObject('value', parameters('firewallRules')[copyIndex()].startIpAddress), createObject('value', '0.0.0.0'))]"
+          "endIpAddress": {
+            "value": "[coalesce(tryGet(parameters('firewallRules')[copyIndex()], 'endIpAddress'), '0.0.0.0')]"
+          },
+          "startIpAddress": {
+            "value": "[coalesce(tryGet(parameters('firewallRules')[copyIndex()], 'startIpAddress'), '0.0.0.0')]"
+          }
         },
         "template": {
           "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
@@ -2615,7 +2711,9 @@
           "serverName": {
             "value": "[parameters('name')]"
           },
-          "ignoreMissingVnetServiceEndpoint": "[if(contains(parameters('virtualNetworkRules')[copyIndex()], 'ignoreMissingVnetServiceEndpoint'), createObject('value', parameters('virtualNetworkRules')[copyIndex()].ignoreMissingVnetServiceEndpoint), createObject('value', false()))]",
+          "ignoreMissingVnetServiceEndpoint": {
+            "value": "[coalesce(tryGet(parameters('virtualNetworkRules')[copyIndex()], 'ignoreMissingVnetServiceEndpoint'), false())]"
+          },
           "virtualNetworkSubnetId": {
             "value": "[parameters('virtualNetworkRules')[copyIndex()].virtualNetworkSubnetId]"
           }
@@ -2720,13 +2818,27 @@
           "serverName": {
             "value": "[parameters('name')]"
           },
-          "disabledAlerts": "[if(contains(parameters('securityAlertPolicies')[copyIndex()], 'disabledAlerts'), createObject('value', parameters('securityAlertPolicies')[copyIndex()].disabledAlerts), createObject('value', createArray()))]",
-          "emailAccountAdmins": "[if(contains(parameters('securityAlertPolicies')[copyIndex()], 'emailAccountAdmins'), createObject('value', parameters('securityAlertPolicies')[copyIndex()].emailAccountAdmins), createObject('value', false()))]",
-          "emailAddresses": "[if(contains(parameters('securityAlertPolicies')[copyIndex()], 'emailAddresses'), createObject('value', parameters('securityAlertPolicies')[copyIndex()].emailAddresses), createObject('value', createArray()))]",
-          "retentionDays": "[if(contains(parameters('securityAlertPolicies')[copyIndex()], 'retentionDays'), createObject('value', parameters('securityAlertPolicies')[copyIndex()].retentionDays), createObject('value', 0))]",
-          "state": "[if(contains(parameters('securityAlertPolicies')[copyIndex()], 'state'), createObject('value', parameters('securityAlertPolicies')[copyIndex()].state), createObject('value', 'Disabled'))]",
-          "storageAccountAccessKey": "[if(contains(parameters('securityAlertPolicies')[copyIndex()], 'storageAccountAccessKey'), createObject('value', parameters('securityAlertPolicies')[copyIndex()].storageAccountAccessKey), createObject('value', ''))]",
-          "storageEndpoint": "[if(contains(parameters('securityAlertPolicies')[copyIndex()], 'storageEndpoint'), createObject('value', parameters('securityAlertPolicies')[copyIndex()].storageEndpoint), createObject('value', ''))]"
+          "disabledAlerts": {
+            "value": "[coalesce(tryGet(parameters('securityAlertPolicies')[copyIndex()], 'disabledAlerts'), createArray())]"
+          },
+          "emailAccountAdmins": {
+            "value": "[coalesce(tryGet(parameters('securityAlertPolicies')[copyIndex()], 'emailAccountAdmins'), false())]"
+          },
+          "emailAddresses": {
+            "value": "[coalesce(tryGet(parameters('securityAlertPolicies')[copyIndex()], 'emailAddresses'), createArray())]"
+          },
+          "retentionDays": {
+            "value": "[coalesce(tryGet(parameters('securityAlertPolicies')[copyIndex()], 'retentionDays'), 0)]"
+          },
+          "state": {
+            "value": "[coalesce(tryGet(parameters('securityAlertPolicies')[copyIndex()], 'state'), 'Disabled')]"
+          },
+          "storageAccountAccessKey": {
+            "value": "[coalesce(tryGet(parameters('securityAlertPolicies')[copyIndex()], 'storageAccountAccessKey'), '')]"
+          },
+          "storageEndpoint": {
+            "value": "[coalesce(tryGet(parameters('securityAlertPolicies')[copyIndex()], 'storageEndpoint'), '')]"
+          }
         },
         "template": {
           "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
@@ -2870,14 +2982,24 @@
           "name": {
             "value": "[parameters('vulnerabilityAssessmentsObj').name]"
           },
-          "recurringScansEmails": "[if(contains(parameters('vulnerabilityAssessmentsObj'), 'recurringScansEmails'), createObject('value', parameters('vulnerabilityAssessmentsObj').recurringScansEmails), createObject('value', createArray()))]",
-          "recurringScansEmailSubscriptionAdmins": "[if(contains(parameters('vulnerabilityAssessmentsObj'), 'recurringScansEmailSubscriptionAdmins'), createObject('value', parameters('vulnerabilityAssessmentsObj').recurringScansEmailSubscriptionAdmins), createObject('value', false()))]",
-          "recurringScansIsEnabled": "[if(contains(parameters('vulnerabilityAssessmentsObj'), 'recurringScansIsEnabled'), createObject('value', parameters('vulnerabilityAssessmentsObj').recurringScansIsEnabled), createObject('value', false()))]",
+          "recurringScansEmails": {
+            "value": "[coalesce(tryGet(parameters('vulnerabilityAssessmentsObj'), 'recurringScansEmails'), createArray())]"
+          },
+          "recurringScansEmailSubscriptionAdmins": {
+            "value": "[coalesce(tryGet(parameters('vulnerabilityAssessmentsObj'), 'recurringScansEmailSubscriptionAdmins'), false())]"
+          },
+          "recurringScansIsEnabled": {
+            "value": "[coalesce(tryGet(parameters('vulnerabilityAssessmentsObj'), 'recurringScansIsEnabled'), false())]"
+          },
           "storageAccountResourceId": {
             "value": "[parameters('vulnerabilityAssessmentsObj').storageAccountResourceId]"
           },
-          "useStorageAccountAccessKey": "[if(contains(parameters('vulnerabilityAssessmentsObj'), 'useStorageAccountAccessKey'), createObject('value', parameters('vulnerabilityAssessmentsObj').useStorageAccountAccessKey), createObject('value', false()))]",
-          "createStorageRoleAssignment": "[if(contains(parameters('vulnerabilityAssessmentsObj'), 'createStorageRoleAssignment'), createObject('value', parameters('vulnerabilityAssessmentsObj').createStorageRoleAssignment), createObject('value', true()))]"
+          "useStorageAccountAccessKey": {
+            "value": "[coalesce(tryGet(parameters('vulnerabilityAssessmentsObj'), 'useStorageAccountAccessKey'), false())]"
+          },
+          "createStorageRoleAssignment": {
+            "value": "[coalesce(tryGet(parameters('vulnerabilityAssessmentsObj'), 'createStorageRoleAssignment'), true())]"
+          }
         },
         "template": {
           "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
@@ -3067,8 +3189,12 @@
           "serverName": {
             "value": "[parameters('name')]"
           },
-          "serverKeyType": "[if(contains(parameters('keys')[copyIndex()], 'serverKeyType'), createObject('value', parameters('keys')[copyIndex()].serverKeyType), createObject('value', 'ServiceManaged'))]",
-          "uri": "[if(contains(parameters('keys')[copyIndex()], 'uri'), createObject('value', parameters('keys')[copyIndex()].uri), createObject('value', ''))]"
+          "serverKeyType": {
+            "value": "[coalesce(tryGet(parameters('keys')[copyIndex()], 'serverKeyType'), 'ServiceManaged')]"
+          },
+          "uri": {
+            "value": "[coalesce(tryGet(parameters('keys')[copyIndex()], 'uri'), '')]"
+          }
         },
         "template": {
           "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
@@ -3187,8 +3313,12 @@
           "serverKeyName": {
             "value": "[parameters('encryptionProtectorObj').serverKeyName]"
           },
-          "serverKeyType": "[if(contains(parameters('encryptionProtectorObj'), 'serverKeyType'), createObject('value', parameters('encryptionProtectorObj').serverKeyType), createObject('value', 'ServiceManaged'))]",
-          "autoRotationEnabled": "[if(contains(parameters('encryptionProtectorObj'), 'autoRotationEnabled'), createObject('value', parameters('encryptionProtectorObj').autoRotationEnabled), createObject('value', true()))]"
+          "serverKeyType": {
+            "value": "[coalesce(tryGet(parameters('encryptionProtectorObj'), 'serverKeyType'), 'ServiceManaged')]"
+          },
+          "autoRotationEnabled": {
+            "value": "[coalesce(tryGet(parameters('encryptionProtectorObj'), 'autoRotationEnabled'), true())]"
+          }
         },
         "template": {
           "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",