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 2ecb7b564c2a..58459e7100e5 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
@@ -1114,17 +1114,9 @@
             "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 controlPlaneSubnetId if provided. 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 runtimeSubnetId. 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 6e1838b1a898..678f848b50d0 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
@@ -19,10 +19,9 @@
         },
         "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"
+            "outBoundType": "UserDefinedRouting",
+            "virtualNetworkApplianceIp": "192.168.1.20"
           }
         },
         "customDomainConfiguration": {
@@ -72,10 +71,9 @@
           },
           "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"
+              "outBoundType": "UserDefinedRouting",
+              "virtualNetworkApplianceIp": "192.168.1.20"
             }
           },
           "customDomainConfiguration": {
@@ -127,10 +125,9 @@
           },
           "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"
+              "outBoundType": "UserDefinedRouting",
+              "virtualNetworkApplianceIp": "192.168.1.20"
             }
           },
           "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 193eb85f6c10..f1e316b777b8 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
@@ -23,10 +23,9 @@
           "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"
+              "outBoundType": "UserDefinedRouting",
+              "virtualNetworkApplianceIp": "192.168.1.20"
             }
           },
           "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 6c7a87e507c0..ac84eb835771 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
@@ -25,10 +25,9 @@
               "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"
+                  "outBoundType": "UserDefinedRouting",
+                  "virtualNetworkApplianceIp": "192.168.1.20"
                 }
               },
               "customDomainConfiguration": {
@@ -83,10 +82,9 @@
               },
               "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"
+                  "outBoundType": "UserDefinedRouting",
+                  "virtualNetworkApplianceIp": "192.168.1.20"
                 }
               }
             }
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 682490a499e5..06233943628f 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
@@ -24,10 +24,9 @@
               "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"
+                  "outBoundType": "UserDefinedRouting",
+                  "virtualNetworkApplianceIp": "192.168.1.20"
                 }
               },
               "customDomainConfiguration": {
@@ -74,10 +73,9 @@
               "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"
+                  "outBoundType": "UserDefinedRouting",
+                  "virtualNetworkApplianceIp": "192.168.1.20"
                 }
               },
               "customDomainConfiguration": {