diff --git a/specification/desktopvirtualization/resource-manager/Microsoft.DesktopVirtualization/preview/2021-02-01-preview/desktopvirtualization.json b/specification/desktopvirtualization/resource-manager/Microsoft.DesktopVirtualization/preview/2021-02-01-preview/desktopvirtualization.json
index a001706112d7..e4c5fa52b8c0 100644
--- a/specification/desktopvirtualization/resource-manager/Microsoft.DesktopVirtualization/preview/2021-02-01-preview/desktopvirtualization.json
+++ b/specification/desktopvirtualization/resource-manager/Microsoft.DesktopVirtualization/preview/2021-02-01-preview/desktopvirtualization.json
@@ -1569,6 +1569,48 @@
         }
       }
     },
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DesktopVirtualization/hostPools/{hostPoolName}/retrieveRegistrationToken": {
+      "post": {
+        "tags": [
+          "HostPool"
+        ],
+        "operationId": "HostPools_RetrieveRegistrationToken",
+        "description": "Registration token of the host pool.",
+        "x-ms-examples": {
+          "HostPools_RetrieveRegistrationToken_Post": {
+            "$ref": "./examples/HostPools_RetrieveRegistrationToken_Post.json"
+          }
+        },
+        "parameters": [
+          {
+            "$ref": "../../../../../common-types/resource-management/v1/types.json#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "../../../../../common-types/resource-management/v1/types.json#/parameters/SubscriptionIdParameter"
+          },
+          {
+            "$ref": "../../../../../common-types/resource-management/v1/types.json#/parameters/ResourceGroupNameParameter"
+          },
+          {
+            "$ref": "#/parameters/HostPoolNameParameter"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Successfully retrieved host pool in resource group.",
+            "schema": {
+              "$ref": "#/definitions/RegistrationInfo"
+            }
+          },
+          "default": {
+            "description": "Automation error response describing why the operation failed.",
+            "schema": {
+              "$ref": "#/definitions/CloudError"
+            }
+          }
+        }
+      }
+    },
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DesktopVirtualization/hostPools/{hostPoolName}/userSessions": {
       "get": {
         "tags": [
diff --git a/specification/desktopvirtualization/resource-manager/Microsoft.DesktopVirtualization/preview/2021-02-01-preview/examples/HostPools_RetrieveRegistrationToken_Post.json b/specification/desktopvirtualization/resource-manager/Microsoft.DesktopVirtualization/preview/2021-02-01-preview/examples/HostPools_RetrieveRegistrationToken_Post.json
new file mode 100644
index 000000000000..d83181848032
--- /dev/null
+++ b/specification/desktopvirtualization/resource-manager/Microsoft.DesktopVirtualization/preview/2021-02-01-preview/examples/HostPools_RetrieveRegistrationToken_Post.json
@@ -0,0 +1,17 @@
+{
+  "parameters": {
+    "subscriptionId": "daefabc0-95b4-48b3-b645-8a753a63c4fa",
+    "resourceGroupName": "resourceGroup1",
+    "hostPoolName": "hostPool1",
+    "api-version": "2021-02-01-preview"
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "expirationTime": "2008-09-22T14:01:54.9571247Z",
+        "token": "token",
+        "registrationTokenOperation": "Update"
+      }
+    }
+  }
+}