diff --git a/specification/common-types/resource-management/v1/types.json b/specification/common-types/resource-management/v1/types.json
index 00ad4492d313..71216592bf7c 100644
--- a/specification/common-types/resource-management/v1/types.json
+++ b/specification/common-types/resource-management/v1/types.json
@@ -569,7 +569,6 @@
       "in": "path",
       "required": true,
       "type": "string",
-      "pattern": "^[a-z][a-z0-9]*$",
       "description": "The name of the resource group. The name is case insensitive.",
       "minLength": 1,
       "maxLength": 90,
diff --git a/specification/desktopvirtualization/resource-manager/Microsoft.DesktopVirtualization/preview/2022-10-14-preview/desktopvirtualization.json b/specification/desktopvirtualization/resource-manager/Microsoft.DesktopVirtualization/preview/2022-10-14-preview/desktopvirtualization.json
index 2dd2304b45b7..48c42aa8f54c 100644
--- a/specification/desktopvirtualization/resource-manager/Microsoft.DesktopVirtualization/preview/2022-10-14-preview/desktopvirtualization.json
+++ b/specification/desktopvirtualization/resource-manager/Microsoft.DesktopVirtualization/preview/2022-10-14-preview/desktopvirtualization.json
@@ -6341,6 +6341,7 @@
       "in": "path",
       "required": true,
       "type": "string",
+      "pattern": "^[a-z][a-z0-9]*$",
       "description": "The name of the host pool within the specified resource group",
       "maxLength": 64,
       "minLength": 3,
@@ -6391,6 +6392,7 @@
       "in": "path",
       "required": true,
       "type": "string",
+      "pattern": "^[a-z][a-z0-9]*$",
       "description": "The name of the workspace",
       "maxLength": 64,
       "minLength": 3,