diff --git a/bicep/main.bicep b/bicep/main.bicep
index 55d523613..f749c02ec 100644
--- a/bicep/main.bicep
+++ b/bicep/main.bicep
@@ -1082,6 +1082,7 @@ param enableNodePublicIP bool = false
 
 param warIngressNginx bool = false
 
+@maxLength(80)
 @description('The name of the NEW resource group to create the AKS cluster managed resources in')
 param managedNodeResourceGroup string = ''
 
diff --git a/helper/src/components/deployTab.js b/helper/src/components/deployTab.js
index f28490c92..217bf611e 100644
--- a/helper/src/components/deployTab.js
+++ b/helper/src/components/deployTab.js
@@ -27,6 +27,7 @@ export default function DeployTab({ defaults, updateFn, tabValues, invalidArray,
   }
   const params = {
     resourceName: deploy.clusterName,
+    ...(deploy.managedNodeResourceGroup !== defaults.deploy.managedNodeResourceGroup && { managedNodeResourceGroup: deploy.managedNodeResourceGroup }),
     ...(deploy.kubernetesVersion !== defaults.deploy.kubernetesVersion && {kubernetesVersion: deploy.kubernetesVersion}),
     ...(cluster.agentCount !== defaults.cluster.agentCount && { agentCount: cluster.agentCount}),
     ...(cluster.upgradeChannel !== defaults.cluster.upgradeChannel && { upgradeChannel: cluster.upgradeChannel }),
@@ -359,6 +360,7 @@ az role assignment create --role "Managed Identity Operator" --assignee-principa
 
           <TextField label="Cluster Name" onChange={(ev, val) => updateFn('clusterName', val)} required errorMessage={getError(invalidArray, 'clusterName')} value={deploy.clusterName} />
           <TextField id="azResourceGroup" label="Resource Group" onChange={(ev, val) => updateFn('rg', val)} required errorMessage={getError(invalidArray, 'rg')} value={deploy.rg} />
+          <TextField id="managedNodeResourceGroup" label="Managed Resource Group Name (optional)" onChange={(ev, val) => updateFn('managedNodeResourceGroup', val)} maxLength={80} value={deploy.managedNodeResourceGroup} />
           <TextField label="Kubernetes version" prefix="Current GA Version" readOnly={false} disabled={false} required value={deploy.kubernetesVersion} onChange={(ev, val) => updateFn('kubernetesVersion', val)} />
 
           <Dropdown
diff --git a/helper/src/config.json b/helper/src/config.json
index d97b2850b..ea912791b 100644
--- a/helper/src/config.json
+++ b/helper/src/config.json
@@ -9,6 +9,7 @@
     "defaults": {
         "deploy": {
             "enableTelemetry": true,
+            "managedNodeResourceGroup": "",
             "kubernetesVersion": "1.24.9",
             "location": "WestEurope",
             "apiips": "",