diff --git a/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/ManagedEnvironments.json b/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/ManagedEnvironments.json
index ac59098ea6dc..710bf827e375 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/ManagedEnvironments.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/ManagedEnvironments.json
@@ -1092,9 +1092,17 @@
             "read"
           ]
         },
+        "controlPlaneSubnetId": {
+          "type": "string",
+          "description": "Resource ID of a subnet for control plane components. This subnet must be in the same VNET as the subnet defined in infrastructureSubnetId. Must not overlap with any other provided IP ranges.",
+          "x-ms-mutability": [
+            "create",
+            "read"
+          ]
+        },
         "infrastructureSubnetId": {
           "type": "string",
-          "description": "Resource ID of a subnet for infrastructure components. This subnet must be in the same VNET as the subnet defined in runtimeSubnetId. Must not overlap with any other provided IP ranges.",
+          "description": "Resource ID of a subnet for infrastructure components. This subnet must be in the same VNET as the subnet defined in controlPlaneSubnetId if provided. Must not overlap with any other provided IP ranges.",
           "x-ms-mutability": [
             "create",
             "read"
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_CreateOrUpdate.json b/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_CreateOrUpdate.json
index 678f848b50d0..6e1838b1a898 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_CreateOrUpdate.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_CreateOrUpdate.json
@@ -19,9 +19,10 @@
         },
         "zoneRedundant": true,
         "vnetConfiguration": {
+          "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1",
+          "controlPlaneSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName2",
           "outboundSettings": {
-            "outBoundType": "UserDefinedRouting",
-            "virtualNetworkApplianceIp": "192.168.1.20"
+            "outBoundType": "UserDefinedRouting"
           }
         },
         "customDomainConfiguration": {
@@ -71,9 +72,10 @@
           },
           "zoneRedundant": true,
           "vnetConfiguration": {
+            "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1",
+            "controlPlaneSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName2",
             "outboundSettings": {
-              "outBoundType": "UserDefinedRouting",
-              "virtualNetworkApplianceIp": "192.168.1.20"
+              "outBoundType": "UserDefinedRouting"
             }
           },
           "customDomainConfiguration": {
@@ -125,9 +127,10 @@
           },
           "zoneRedundant": true,
           "vnetConfiguration": {
+            "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1",
+            "controlPlaneSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName2",
             "outboundSettings": {
-              "outBoundType": "UserDefinedRouting",
-              "virtualNetworkApplianceIp": "192.168.1.20"
+              "outBoundType": "UserDefinedRouting"
             }
           },
           "customDomainConfiguration": {
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_Get.json b/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_Get.json
index d09cee789742..271e84d6153a 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_Get.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_Get.json
@@ -23,9 +23,10 @@
           "staticIp": "20.42.33.145",
           "zoneRedundant": true,
           "vnetConfiguration": {
+            "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1",
+            "controlPlaneSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName2",
             "outboundSettings": {
-              "outBoundType": "UserDefinedRouting",
-              "virtualNetworkApplianceIp": "192.168.1.20"
+              "outBoundType": "UserDefinedRouting"
             }
           },
           "customDomainConfiguration": {
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_ListByResourceGroup.json b/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_ListByResourceGroup.json
index ac84eb835771..6c7a87e507c0 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_ListByResourceGroup.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_ListByResourceGroup.json
@@ -25,9 +25,10 @@
               "appLogsConfiguration": null,
               "zoneRedundant": true,
               "vnetConfiguration": {
+                "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1",
+                "controlPlaneSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName2",
                 "outboundSettings": {
-                  "outBoundType": "UserDefinedRouting",
-                  "virtualNetworkApplianceIp": "192.168.1.20"
+                  "outBoundType": "UserDefinedRouting"
                 }
               },
               "customDomainConfiguration": {
@@ -82,9 +83,10 @@
               },
               "eventStreamEndpoint": "testEndpoint",
               "vnetConfiguration": {
+                "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1",
+                "controlPlaneSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName2",
                 "outboundSettings": {
-                  "outBoundType": "UserDefinedRouting",
-                  "virtualNetworkApplianceIp": "192.168.1.20"
+                  "outBoundType": "UserDefinedRouting"
                 }
               }
             }
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_ListBySubscription.json b/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_ListBySubscription.json
index 06233943628f..682490a499e5 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_ListBySubscription.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/examples/ManagedEnvironments_ListBySubscription.json
@@ -24,9 +24,10 @@
               "appLogsConfiguration": null,
               "zoneRedundant": true,
               "vnetConfiguration": {
+                "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1",
+                "controlPlaneSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName2",
                 "outboundSettings": {
-                  "outBoundType": "UserDefinedRouting",
-                  "virtualNetworkApplianceIp": "192.168.1.20"
+                  "outBoundType": "UserDefinedRouting"
                 }
               },
               "customDomainConfiguration": {
@@ -73,9 +74,10 @@
               "appLogsConfiguration": null,
               "zoneRedundant": true,
               "vnetConfiguration": {
+                "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1",
+                "controlPlaneSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName2",
                 "outboundSettings": {
-                  "outBoundType": "UserDefinedRouting",
-                  "virtualNetworkApplianceIp": "192.168.1.20"
+                  "outBoundType": "UserDefinedRouting"
                 }
               },
               "customDomainConfiguration": {