diff --git a/specification/iothub/resource-manager/Microsoft.Devices/stable/2021-07-02/iothub.json b/specification/iothub/resource-manager/Microsoft.Devices/stable/2021-07-02/iothub.json
index 5e6af1e267da..bb6f05dacad4 100644
--- a/specification/iothub/resource-manager/Microsoft.Devices/stable/2021-07-02/iothub.json
+++ b/specification/iothub/resource-manager/Microsoft.Devices/stable/2021-07-02/iothub.json
@@ -699,7 +699,8 @@
             "description": "DefaultErrorResponse",
             "schema": {
               "$ref": "#/definitions/ErrorDetails"
-            }
+            },
+            "x-ms-identifiers": []
           }
         },
         "deprecated": false
@@ -2272,7 +2273,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/SharedAccessSignatureAuthorizationRule"
-          }
+          },
+          "x-ms-identifiers": [
+            "keyName"
+          ]
         },
         "disableLocalAuth": {
           "description": "If true, SAS tokens with Iot hub scoped SAS keys cannot be used for authentication.",
@@ -2315,7 +2319,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/IpFilterRule"
-          }
+          },
+          "x-ms-identifiers": [
+            "filterName"
+          ]
         },
         "networkRuleSets": {
           "$ref": "#/definitions/NetworkRuleSetProperties"
@@ -2399,7 +2406,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/IotHubLocationDescription"
-          }
+          },
+          "x-ms-identifiers": [
+            "location"
+          ]
         },
         "enableDataResidency": {
           "description": "This property when set to true, will enable data residency, thus, disabling disaster recovery.",
@@ -2626,6 +2636,9 @@
           "items": {
             "$ref": "#/definitions/NetworkRuleSetIpRule"
           },
+          "x-ms-identifiers": [
+            "filterName"
+          ],
           "description": "List of IP Rules"
         }
       },
@@ -2856,7 +2869,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/RouteProperties"
-          }
+          },
+          "x-ms-identifiers": [
+            "name"
+          ]
         },
         "fallbackRoute": {
           "description": "The properties of the route that is used as a fall-back route when none of the conditions specified in the 'routes' section are met. This is an optional parameter. When this property is not set, the messages which do not meet any of the conditions specified in the 'routes' section get routed to the built-in eventhub endpoint.",
@@ -2867,7 +2883,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/EnrichmentProperties"
-          }
+          },
+          "x-ms-identifiers": [
+            "key"
+          ]
         }
       }
     },
@@ -3349,7 +3368,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/SharedAccessSignatureAuthorizationRule"
-          }
+          },
+          "x-ms-identifiers": [
+            "keyName"
+          ]
         },
         "nextLink": {
           "description": "The next link.",
@@ -3367,7 +3389,8 @@
           "readOnly": true,
           "items": {
             "$ref": "#/definitions/Operation"
-          }
+          },
+          "x-ms-identifiers": []
         },
         "nextLink": {
           "readOnly": true,
@@ -3447,7 +3470,8 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/IotHubQuotaMetricInfo"
-          }
+          },
+          "x-ms-identifiers": []
         },
         "nextLink": {
           "description": "The next link.",
@@ -3465,7 +3489,8 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/EndpointHealthData"
-          }
+          },
+          "x-ms-identifiers": []
         },
         "nextLink": {
           "description": "Link to more results",
@@ -3551,7 +3576,8 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/JobResponse"
-          }
+          },
+          "x-ms-identifiers": []
         },
         "nextLink": {
           "description": "The next link.",
@@ -3718,7 +3744,8 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/IotHubSkuDescription"
-          }
+          },
+          "x-ms-identifiers": []
         },
         "nextLink": {
           "description": "The next link.",
@@ -4032,7 +4059,8 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/MatchedRoute"
-          }
+          },
+          "x-ms-identifiers": []
         }
       }
     },
@@ -4099,7 +4127,8 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/RouteCompilationError"
-          }
+          },
+          "x-ms-identifiers": []
         }
       }
     },