diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-10-01/managedClusters.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-10-01/managedClusters.json
index 0d3d98637dba..72c58cef1c09 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-10-01/managedClusters.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-10-01/managedClusters.json
@@ -92,17 +92,17 @@
           }
         ],
         "responses": {
-          "default": {
-            "description": "Error response describing why the operation failed",
-            "schema": {
-              "$ref": "#/definitions/CloudError"
-            }
-          },
           "200": {
             "description": "OK",
             "schema": {
               "$ref": "#/definitions/OSOptionProfile"
             }
+          },
+          "default": {
+            "description": "Error response describing why the operation failed",
+            "schema": {
+              "$ref": "#/definitions/CloudError"
+            }
           }
         },
         "x-ms-examples": {
@@ -1823,15 +1823,15 @@
           }
         ],
         "responses": {
-          "202": {
-            "description": "Accepted"
-          },
           "200": {
             "description": "command finished with async pattern, tracking by location header. !!! this is for autorest only, you never get 200 from this api !!!",
             "schema": {
               "$ref": "#/definitions/RunCommandResult"
             }
           },
+          "202": {
+            "description": "Accepted"
+          },
           "default": {
             "description": "Error response describing why the operation failed. If the cluster doesn't exist, 404 (Not found) is returned.",
             "schema": {
@@ -1875,15 +1875,15 @@
           }
         ],
         "responses": {
-          "202": {
-            "description": "command running in progress"
-          },
           "200": {
             "description": "command finished",
             "schema": {
               "$ref": "#/definitions/RunCommandResult"
             }
           },
+          "202": {
+            "description": "command running in progress"
+          },
           "default": {
             "description": "Error response describing why the operation failed. If the cluster doesn't exist, 404 (Not found) is returned.",
             "schema": {
@@ -2224,6 +2224,9 @@
           "items": {
             "$ref": "#/definitions/OperationValue"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "The list of operations"
         }
       },
@@ -3293,6 +3296,7 @@
           "items": {
             "$ref": "#/definitions/TimeInWeek"
           },
+          "x-ms-identifiers": [],
           "title": "Time slots during the week when planned maintenance is allowed to proceed.",
           "description": "If two array entries specify the same day of the week, the applied configuration is the union of times in both entries."
         },
@@ -3301,6 +3305,7 @@
           "items": {
             "$ref": "#/definitions/TimeSpan"
           },
+          "x-ms-identifiers": [],
           "description": "Time slots on which upgrade is not allowed."
         }
       },
@@ -3568,6 +3573,7 @@
           "items": {
             "$ref": "#/definitions/ContainerServiceSshPublicKey"
           },
+          "x-ms-identifiers": [],
           "description": "The list of SSH public keys used to authenticate with Linux-based VMs. A maximum of 1 key may be specified."
         }
       },
@@ -3715,6 +3721,9 @@
           "items": {
             "$ref": "#/definitions/ManagedClusterAgentPoolProfile"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "The agent pool properties."
         },
         "linuxProfile": {
@@ -4130,6 +4139,7 @@
               }
             }
           },
+          "x-ms-identifiers": [],
           "description": "List of orchestrator types and versions available for upgrade."
         }
       },
@@ -4150,6 +4160,9 @@
           "items": {
             "$ref": "#/definitions/ManagedClusterPoolUpgradeProfile"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "The list of available upgrade versions for agent pools."
         }
       },
@@ -4346,6 +4359,10 @@
           "items": {
             "$ref": "#/definitions/ManagedClusterPodIdentityProvisioningErrorBody"
           },
+          "x-ms-identifiers": [
+            "message",
+            "target"
+          ],
           "description": "A list of additional details about the error."
         }
       },
@@ -4393,14 +4410,18 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/ManagedClusterPodIdentity"
-          }
+          },
+          "x-ms-identifiers": [
+            "name"
+          ]
         },
         "userAssignedIdentityExceptions": {
           "description": "The pod identity exceptions to allow.",
           "type": "array",
           "items": {
             "$ref": "#/definitions/ManagedClusterPodIdentityException"
-          }
+          },
+          "x-ms-identifiers": []
         }
       },
       "title": "The pod identity profile of the Managed Cluster.",
@@ -4486,6 +4507,9 @@
               }
             }
           },
+          "x-ms-identifiers": [
+            "kubernetesVersion"
+          ],
           "description": "List of orchestrator types and versions available for upgrade."
         },
         "latestNodeImageVersion": {
@@ -4548,6 +4572,9 @@
               }
             }
           },
+          "x-ms-identifiers": [
+            "kubernetesVersion"
+          ],
           "description": "List of versions available for agent pool."
         }
       },
@@ -4675,6 +4702,9 @@
           "items": {
             "$ref": "#/definitions/CredentialResult"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "Base64-encoded Kubernetes configuration file."
         }
       },
@@ -4727,6 +4757,10 @@
           "items": {
             "$ref": "#/definitions/CloudErrorBody"
           },
+          "x-ms-identifiers": [
+            "message",
+            "target"
+          ],
           "description": "A list of additional details about the error."
         }
       },
@@ -5321,6 +5355,7 @@
           "items": {
             "$ref": "#/definitions/OSOptionProperty"
           },
+          "x-ms-identifiers": [],
           "description": "The list of OS options."
         }
       },
@@ -5370,7 +5405,11 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/EndpointDetail"
-          }
+          },
+          "x-ms-identifiers": [
+            "ipAddress",
+            "port"
+          ]
         }
       }
     },
@@ -5410,7 +5449,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/EndpointDependency"
-          }
+          },
+          "x-ms-identifiers": [
+            "domainName"
+          ]
         }
       }
     },
@@ -5426,7 +5468,8 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/OutboundEnvironmentEndpoint"
-          }
+          },
+          "x-ms-identifiers": []
         },
         "nextLink": {
           "description": "Link to next page of resources.",