diff --git a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/defenderSettings.json b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/defenderSettings.json
index 5ab2abf09ed1..44c03aeed500 100644
--- a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/defenderSettings.json
+++ b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/defenderSettings.json
@@ -307,11 +307,24 @@
           "items": {
             "type": "string"
           }
+        },
+        "onboardingKind": {
+          "type": "string",
+          "enum": [
+            "Default",
+            "MigratedToAzure"
+          ],
+          "description": "The kind of onboarding for the subscription",
+          "x-ms-enum": {
+            "name": "OnboardingKind",
+            "modelAsString": true
+          }
         }
       },
       "required": [
         "deviceQuota",
-        "sentinelWorkspaceResourceIds"
+        "sentinelWorkspaceResourceIds",
+        "onboardingKind"
       ]
     },
     "DownloadLink": {
diff --git a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Get.json b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Get.json
index 8e847e8d31bf..1ba4a1396f7c 100644
--- a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Get.json
+++ b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Get.json
@@ -13,7 +13,8 @@
           "deviceQuota": 2000,
           "sentinelWorkspaceResourceIds": [
             "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
-          ]
+          ],
+          "onboardingKind": "Default"
         }
       }
     }
diff --git a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/List.json b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/List.json
index 653d1067fbc6..99e14fb07340 100644
--- a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/List.json
+++ b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/List.json
@@ -15,7 +15,8 @@
               "deviceQuota": 2000,
               "sentinelWorkspaceResourceIds": [
                 "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
-              ]
+              ],
+              "onboardingKind": "Default"
             }
           }
         ]
diff --git a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Put.json b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Put.json
index 3b7aa9bcca33..2401622c2a8b 100644
--- a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Put.json
+++ b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Put.json
@@ -7,7 +7,8 @@
         "deviceQuota": 2000,
         "sentinelWorkspaceResourceIds": [
           "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
-        ]
+        ],
+        "onboardingKind": "Default"
       }
     }
   },
@@ -21,7 +22,8 @@
           "deviceQuota": 2000,
           "sentinelWorkspaceResourceIds": [
             "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
-          ]
+          ],
+          "onboardingKind": "Default"
         }
       }
     },
@@ -34,7 +36,8 @@
           "deviceQuota": 2000,
           "sentinelWorkspaceResourceIds": [
             "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
-          ]
+          ],
+          "onboardingKind": "Default"
         }
       }
     }
diff --git a/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/examples/IotDefenderSettings/Get.json b/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/examples/IotDefenderSettings/Get.json
index 1a4dd8e4a4b5..792a0cade892 100644
--- a/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/examples/IotDefenderSettings/Get.json
+++ b/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/examples/IotDefenderSettings/Get.json
@@ -13,7 +13,8 @@
           "deviceQuota": 2000,
           "sentinelWorkspaceResourceIds": [
             "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
-          ]
+          ],
+          "onboardingKind": "Default"
         }
       }
     }
diff --git a/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/examples/IotDefenderSettings/List.json b/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/examples/IotDefenderSettings/List.json
index 7594b4d7cc01..d4fed0f881c6 100644
--- a/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/examples/IotDefenderSettings/List.json
+++ b/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/examples/IotDefenderSettings/List.json
@@ -15,7 +15,8 @@
               "deviceQuota": 2000,
               "sentinelWorkspaceResourceIds": [
                 "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
-              ]
+              ],
+              "onboardingKind": "Default"
             }
           }
         ]
diff --git a/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/examples/IotDefenderSettings/Put.json b/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/examples/IotDefenderSettings/Put.json
index 6eb347f06596..e4c54697eab3 100644
--- a/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/examples/IotDefenderSettings/Put.json
+++ b/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/examples/IotDefenderSettings/Put.json
@@ -7,7 +7,8 @@
         "deviceQuota": 2000,
         "sentinelWorkspaceResourceIds": [
           "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
-        ]
+        ],
+        "onboardingKind": "Default"
       }
     }
   },
@@ -21,7 +22,8 @@
           "deviceQuota": 2000,
           "sentinelWorkspaceResourceIds": [
             "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
-          ]
+          ],
+          "onboardingKind": "Default"
         }
       }
     },
@@ -34,7 +36,8 @@
           "deviceQuota": 2000,
           "sentinelWorkspaceResourceIds": [
             "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
-          ]
+          ],
+          "onboardingKind": "Default"
         }
       }
     }
diff --git a/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/iotDefenderSettings.json b/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/iotDefenderSettings.json
index e9af3b53b72d..f0013fcc8cff 100644
--- a/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/iotDefenderSettings.json
+++ b/specification/security/resource-manager/Microsoft.Security/preview/2020-08-06-preview/iotDefenderSettings.json
@@ -307,11 +307,24 @@
           "items": {
             "type": "string"
           }
+        },
+        "onboardingKind": {
+          "type": "string",
+          "enum": [
+            "Default",
+            "MigratedToAzure"
+          ],
+          "description": "The kind of onboarding for the subscription",
+          "x-ms-enum": {
+            "name": "OnboardingKind",
+            "modelAsString": true
+          }
         }
       },
       "required": [
         "deviceQuota",
-        "sentinelWorkspaceResourceIds"
+        "sentinelWorkspaceResourceIds",
+        "onboardingKind"
       ]
     },
     "DownloadLink": {