diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json
index 04999b9af720..d7aa1ea895fe 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json
@@ -280,7 +280,7 @@
         }
       },
       "patch": {
-        "description": "Updates account's tags.",
+        "description": "Updates account's patchable properties",
         "operationId": "Accounts_Update",
         "parameters": [
           {
@@ -296,12 +296,12 @@
             "$ref": "#/parameters/AccountNameParameter"
           },
           {
-            "name": "tagUpdatePayload",
-            "description": "Updated tags.",
+            "name": "accountUpdatePayload",
+            "description": "Updated Account.",
             "in": "body",
             "required": true,
             "schema": {
-              "$ref": "#/definitions/TagUpdate"
+              "$ref": "#/definitions/AccountUpdate"
             }
           }
         ],
@@ -624,6 +624,10 @@
               "readOnly": true
             }
           }
+        },
+        "identity": {
+          "$ref": "#/definitions/Identity",
+          "description": "The type of identity used for the resource."
         }
       }
     },
@@ -711,6 +715,33 @@
         }
       }
     },
+    "Identity": {
+      "description": "Identity for the resource.",
+      "properties": {
+        "principalId": {
+          "readOnly": true,
+          "type": "string",
+          "description": "The principal ID of resource identity."
+        },
+        "tenantId": {
+          "readOnly": true,
+          "type": "string",
+          "description": "The tenant ID of resource."
+        },
+        "type": {
+          "enum": [
+            "SystemAssigned",
+            "None"
+          ],
+          "x-ms-enum": {
+            "name": "ResourceIdentityType",
+            "modelAsString": false
+          },
+          "type": "string",
+          "description": "The identity type."
+        }
+      }
+    },
     "IotHubSettings": {
       "type": "object",
       "description": "Device Update account integration with IoT Hub settings.",
@@ -779,6 +810,24 @@
         }
       }
     },
+    "AccountUpdate": {
+      "description": "Request payload used to update and existing Accounts.",
+      "properties": {
+        "identity": {
+          "$ref": "#/definitions/Identity",
+          "description": "The type of identity used for the resource."
+        },
+        "location": {
+          "type": "string",
+          "description": "The geo-location where the resource lives"
+        }
+      },
+      "allOf": [
+        {
+          "$ref": "#/definitions/TagUpdate"
+        }
+      ]
+    },
     "TagUpdate": {
       "description": "Request payload used to update an existing resource's tags.",
       "type": "object",
diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_Create.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_Create.json
index c9e471734628..62fbb3e309fc 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_Create.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_Create.json
@@ -6,6 +6,9 @@
     "api-version": "2020-03-01-preview",
     "Account": {
       "location": "West US 2",
+      "identity": {
+        "type": "SystemAssigned"
+      },
       "properties": {}
     }
   },
@@ -16,7 +19,13 @@
         "location": "westus2",
         "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.DeviceUpdate/accounts/contoso",
         "type": "Microsoft.DeviceUpdate/accounts",
+        "identity": {
+          "principalId": "00000000-0000-0000-0000-000000000000",
+          "tenantId": "00000000-0000-0000-0000-000000000000",
+          "type": "SystemAssigned"
+        },
         "properties": {
+          "provisioningState": "Accepted",
           "hostName": "contoso.api.adu.microsoft.com"
         }
       }
diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_Get.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_Get.json
index 82b63ec4f16f..4300bc6ef27c 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_Get.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_Get.json
@@ -13,6 +13,7 @@
         "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.DeviceUpdate/accounts/contoso",
         "type": "Microsoft.DeviceUpdate/accounts",
         "properties": {
+          "provisioningState": "Succeeded",
           "hostName": "contoso.api.adu.microsoft.com"
         }
       }
diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_List.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_List.json
index 119700a176e7..dc2ccf525818 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_List.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_List.json
@@ -15,6 +15,7 @@
             "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.DeviceUpdate/accounts/contoso",
             "type": "Microsoft.DeviceUpdate/accounts",
             "properties": {
+              "provisioningState": "Succeeded",
               "hostName": "contoso.api.adu.microsoft.com"
             }
           }
diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_Update.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_Update.json
index b2fa12930cab..917c1de425ad 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_Update.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Accounts/Accounts_Update.json
@@ -4,7 +4,7 @@
     "resourceGroupName": "test-rg",
     "accountName": "contoso",
     "api-version": "2020-03-01-preview",
-    "tagUpdatePayload": {
+    "accountUpdatePayload": {
       "tags": {
         "tagKey": "tagValue"
       }
@@ -18,6 +18,7 @@
         "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.DeviceUpdate/accounts/contoso",
         "type": "Microsoft.DeviceUpdate/accounts",
         "properties": {
+          "provisioningState": "Succeeded",
           "hostName": "contoso.api.adu.microsoft.com"
         },
         "tags": {
diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Create.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Create.json
index d7e05de91f8f..32f7fe111527 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Create.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Create.json
@@ -10,7 +10,6 @@
       "properties": {
         "iotHubs": [
           {
-            "name": "blue-contoso-hub",
             "resourceId": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.Devices/IotHubs/blue-contoso-hub",
             "ioTHubConnectionString": "string",
             "eventHubConnectionString": "string"
@@ -27,10 +26,10 @@
         "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.DeviceUpdate/accounts/contoso/instances/blue",
         "type": "Microsoft.DeviceUpdate/accounts/instances",
         "properties": {
+          "provisioningState": "Accepted",
           "accountName": "contoso",
           "iotHubs": [
             {
-              "name": "blue-contoso-hub",
               "resourceId": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.Devices/IotHubs/blue-contoso-hub"
             }
           ]
diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Get.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Get.json
index 5c5197e6e06b..1f354395ae9e 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Get.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Get.json
@@ -14,10 +14,10 @@
         "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.DeviceUpdate/accounts/contoso/instances/blue",
         "type": "Microsoft.DeviceUpdate/accounts/instances",
         "properties": {
+          "provisioningState": "Succeeded",
           "accountName": "contoso",
           "iotHubs": [
             {
-              "name": "blue-contoso-hub",
               "resourceId": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.Devices/IotHubs/blue-contoso-hub"
             }
           ]
diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_ListByAccount.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_ListByAccount.json
index 68ee16b56023..eac2d6134f84 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_ListByAccount.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_ListByAccount.json
@@ -16,10 +16,10 @@
             "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.DeviceUpdate/accounts/contoso/instances/blue",
             "type": "Microsoft.DeviceUpdate/accounts/instances",
             "properties": {
+              "provisioningState": "Succeeded",
               "accountName": "contoso",
               "iotHubs": [
                 {
-                  "name": "blue-contoso-hub",
                   "resourceId": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.Devices/IotHubs/blue-contoso-hub"
                 }
               ]
@@ -31,10 +31,10 @@
             "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.DeviceUpdate/accounts/contoso/instances/red",
             "type": "Microsoft.DeviceUpdate/accounts/instances",
             "properties": {
+              "provisioningState": "Succeeded",
               "accountName": "contoso",
               "iotHubs": [
                 {
-                  "name": "red-contoso-hub",
                   "resourceId": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.Devices/IotHubs/red-contoso-hub"
                 }
               ]
diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Update.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Update.json
index a25a82c35692..a431fd26a2db 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Update.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Update.json
@@ -22,7 +22,6 @@
           "accountName": "contoso",
           "iotHubs": [
             {
-              "name": "blue-contoso-hub",
               "resourceId": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.Devices/IotHubs/blue-contoso-hub"
             }
           ]
diff --git a/specification/deviceupdate/resource-manager/readme.md b/specification/deviceupdate/resource-manager/readme.md
index 727c3b3512f9..49be17c855c0 100644
--- a/specification/deviceupdate/resource-manager/readme.md
+++ b/specification/deviceupdate/resource-manager/readme.md
@@ -39,6 +39,16 @@ input-file:
   - Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json
 ```
 
+## Suppression
+
+``` yaml
+directive:
+  - suppress: ENUM_CASE_MISMATCH
+    where: $.definitions.Identity.properties.type
+    from: deviceupdate.json
+    reason: Managed Identity type can be case in-sensitive
+```
+
 ---
 
 # Code Generation
@@ -53,6 +63,8 @@ swagger-to-sdk:
   - repo: azure-sdk-for-net
   - repo: azure-sdk-for-python
   - repo: azure-sdk-for-go
+    after_scripts:
+      - bundle install && rake arm:regen_all_profiles['azure_mgmt_deviceupdate']
 ```
 
 ## CSharp