diff --git a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/applications.json b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/applications.json
index e593638a271a..6b6e502310d4 100644
--- a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/applications.json
+++ b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/applications.json
@@ -373,6 +373,7 @@
           "items": {
             "$ref": "./cluster.json#/definitions/RuntimeScriptAction"
           },
+          "x-ms-identifiers": [],
           "description": "The list of install script actions."
         },
         "uninstallScriptActions": {
@@ -380,6 +381,7 @@
           "items": {
             "$ref": "./cluster.json#/definitions/RuntimeScriptAction"
           },
+          "x-ms-identifiers": [],
           "description": "The list of uninstall script actions."
         },
         "httpsEndpoints": {
@@ -387,6 +389,7 @@
           "items": {
             "$ref": "#/definitions/ApplicationGetHttpsEndpoint"
           },
+          "x-ms-identifiers": [],
           "description": "The list of application HTTPS endpoints."
         },
         "sshEndpoints": {
@@ -394,6 +397,7 @@
           "items": {
             "$ref": "#/definitions/ApplicationGetEndpoint"
           },
+          "x-ms-identifiers": [],
           "description": "The list of application SSH endpoints."
         },
         "provisioningState": {
@@ -415,6 +419,9 @@
           "items": {
             "$ref": "./cluster.json#/definitions/Errors"
           },
+          "x-ms-identifiers": [
+            "code"
+          ],
           "description": "The list of errors."
         },
         "createdDate": {
diff --git a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/cluster.json b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/cluster.json
index bb8efc5af1b6..e9c6e0d9da40 100644
--- a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/cluster.json
+++ b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/cluster.json
@@ -942,6 +942,7 @@
           "items": {
             "$ref": "#/definitions/AutoscaleSchedule"
           },
+          "x-ms-identifiers": [],
           "description": "Array of schedule-based autoscale rules"
         }
       },
@@ -1036,6 +1037,9 @@
           "items": {
             "$ref": "#/definitions/SshPublicKey"
           },
+          "x-ms-identifiers": [
+            "certificateData"
+          ],
           "description": "The list of SSH public keys."
         }
       }
@@ -1117,6 +1121,7 @@
           "items": {
             "$ref": "#/definitions/DataDisksGroups"
           },
+          "x-ms-identifiers": [],
           "description": "The data disks groups for the role."
         },
         "scriptActions": {
@@ -1124,6 +1129,7 @@
           "items": {
             "$ref": "./scriptActions.json#/definitions/ScriptAction"
           },
+          "x-ms-identifiers": [],
           "description": "The list of script actions on the role.",
           "x-ms-secret": true
         },
@@ -1143,6 +1149,9 @@
           "items": {
             "$ref": "#/definitions/Role"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "The list of roles in the cluster."
         }
       },
@@ -1198,6 +1207,9 @@
           "items": {
             "$ref": "#/definitions/StorageAccount"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "The list of storage accounts in the cluster."
         }
       },
@@ -1534,6 +1546,9 @@
           "items": {
             "$ref": "#/definitions/Errors"
           },
+          "x-ms-identifiers": [
+            "code"
+          ],
           "description": "The list of errors."
         },
         "connectivityEndpoints": {
@@ -1541,6 +1556,9 @@
           "items": {
             "$ref": "#/definitions/ConnectivityEndpoint"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "The list of connectivity endpoints."
         },
         "diskEncryptionProperties": {
@@ -1672,6 +1690,7 @@
           "items": {
             "$ref": "#/definitions/RuntimeScriptAction"
           },
+          "x-ms-identifiers": [],
           "description": "The list of run time script actions."
         },
         "persistOnSuccess": {
@@ -1692,7 +1711,8 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/RuntimeScriptAction"
-          }
+          },
+          "x-ms-identifiers": []
         },
         "nextLink": {
           "type": "string",
@@ -1759,6 +1779,7 @@
           "items": {
             "$ref": "#/definitions/ScriptActionExecutionSummary"
           },
+          "x-ms-identifiers": [],
           "description": "The summary of script action execution result."
         },
         "debugInformation": {
diff --git a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/extensions.json b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/extensions.json
index abd1f39d9a58..e1aeeca1a1c4 100644
--- a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/extensions.json
+++ b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/extensions.json
@@ -617,7 +617,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/AzureMonitorTableConfiguration"
-          }
+          },
+          "x-ms-identifiers": [
+            "name"
+          ]
         }
       }
     },
diff --git a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/locations.json b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/locations.json
index aac3be1997d1..1f5e429617e1 100644
--- a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/locations.json
+++ b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/locations.json
@@ -324,7 +324,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/VersionSpec"
-          }
+          },
+          "x-ms-identifiers": [
+            "friendlyName"
+          ]
         }
       },
       "readOnly": true
@@ -383,7 +386,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/RegionalQuotaCapability"
-          }
+          },
+          "x-ms-identifiers": [
+            "regionName"
+          ]
         }
       },
       "readOnly": true
@@ -469,7 +475,8 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/Usage"
-          }
+          },
+          "x-ms-identifiers": []
         }
       },
       "readOnly": true
@@ -497,7 +504,8 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/VmSizeCompatibilityFilterV2"
-          }
+          },
+          "x-ms-identifiers": []
         },
         "vmSizeProperties": {
           "description": "The vm size properties.",
@@ -505,6 +513,9 @@
           "items": {
             "$ref": "#/definitions/VmSizeProperty"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "readOnly": true
         },
         "billingResources": {
@@ -512,7 +523,8 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/BillingResources"
-          }
+          },
+          "x-ms-identifiers": []
         }
       }
     },
@@ -658,14 +670,20 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/BillingMeters"
-          }
+          },
+          "x-ms-identifiers": [
+            "meter"
+          ]
         },
         "diskBillingMeters": {
           "description": "The managed disk billing information.",
           "type": "array",
           "items": {
             "$ref": "#/definitions/DiskBillingMeters"
-          }
+          },
+          "x-ms-identifiers": [
+            "diskRpMeter"
+          ]
         }
       }
     },
@@ -783,14 +801,20 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/ValidationErrorInfo"
-          }
+          },
+          "x-ms-identifiers": [
+            "code"
+          ]
         },
         "validationWarnings": {
           "description": "The validation warnings.",
           "type": "array",
           "items": {
             "$ref": "#/definitions/ValidationErrorInfo"
-          }
+          },
+          "x-ms-identifiers": [
+            "code"
+          ]
         },
         "estimatedCreationDuration": {
           "description": "The estimated creation duration.",
@@ -802,7 +826,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/AaddsResourceDetails"
-          }
+          },
+          "x-ms-identifiers": [
+            "resourceId"
+          ]
         }
       }
     },
diff --git a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/operations.json b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/operations.json
index 1389ad3c4a63..04a864355aea 100644
--- a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/operations.json
+++ b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/operations.json
@@ -127,7 +127,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/MetricSpecifications"
-          }
+          },
+          "x-ms-identifiers": [
+            "name"
+          ]
         }
       }
     },
@@ -210,7 +213,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/Dimension"
-          }
+          },
+          "x-ms-identifiers": [
+            "name"
+          ]
         }
       }
     },
@@ -245,6 +251,9 @@
           "items": {
             "$ref": "#/definitions/Operation"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "The list of HDInsight operations supported by the HDInsight resource provider."
         },
         "nextLink": {
diff --git a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/scriptActions.json b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/scriptActions.json
index 8c265ec8f30d..335c45a94fba 100644
--- a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/scriptActions.json
+++ b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/scriptActions.json
@@ -372,6 +372,7 @@
           "items": {
             "$ref": "./cluster.json#/definitions/RuntimeScriptActionDetail"
           },
+          "x-ms-identifiers": [],
           "description": "The list of persisted script action details for the cluster."
         },
         "nextLink": {
@@ -442,6 +443,7 @@
           "items": {
             "$ref": "./cluster.json#/definitions/RuntimeScriptActionDetail"
           },
+          "x-ms-identifiers": [],
           "description": "The list of persisted script action details for the cluster."
         },
         "nextLink": {
diff --git a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/virtualMachines.json b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/virtualMachines.json
index 9151736d098a..3d07b19c7f71 100644
--- a/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/virtualMachines.json
+++ b/specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2021-06-01/virtualMachines.json
@@ -203,6 +203,9 @@
       "items": {
         "$ref": "#/definitions/HostInfo"
       },
+      "x-ms-identifiers": [
+        "fqdn"
+      ],
       "readOnly": true
     },
     "RestartHostsParameters": {