diff --git a/specification/domainservices/resource-manager/Microsoft.AAD/stable/2022-09-01/domainservices.json b/specification/domainservices/resource-manager/Microsoft.AAD/stable/2022-09-01/domainservices.json
index ed469ecd300f..6178131d7910 100644
--- a/specification/domainservices/resource-manager/Microsoft.AAD/stable/2022-09-01/domainservices.json
+++ b/specification/domainservices/resource-manager/Microsoft.AAD/stable/2022-09-01/domainservices.json
@@ -508,6 +508,7 @@
             "All",
             "CloudOnly"
           ],
+          "default": "All",
           "description": "All or CloudOnly, All users in AAD are synced to AAD DS domain or only users actively syncing in the cloud",
           "x-ms-enum": {
             "name": "SyncScope",
diff --git a/specification/domainservices/resource-manager/Microsoft.AAD/stable/2022-12-01/domainservices.json b/specification/domainservices/resource-manager/Microsoft.AAD/stable/2022-12-01/domainservices.json
index e565c611427d..6af293a6d369 100644
--- a/specification/domainservices/resource-manager/Microsoft.AAD/stable/2022-12-01/domainservices.json
+++ b/specification/domainservices/resource-manager/Microsoft.AAD/stable/2022-12-01/domainservices.json
@@ -513,6 +513,7 @@
             "All",
             "CloudOnly"
           ],
+          "default": "All",
           "description": "All or CloudOnly, All users in AAD are synced to AAD DS domain or only users actively syncing in the cloud",
           "x-ms-enum": {
             "name": "SyncScope",