diff --git a/specification/containerregistry/resource-manager/Microsoft.ContainerRegistry/Registry/Registry.models.tsp b/specification/containerregistry/resource-manager/Microsoft.ContainerRegistry/Registry/Registry.models.tsp
index 743ad69d0371..27691aa662cc 100644
--- a/specification/containerregistry/resource-manager/Microsoft.ContainerRegistry/Registry/Registry.models.tsp
+++ b/specification/containerregistry/resource-manager/Microsoft.ContainerRegistry/Registry/Registry.models.tsp
@@ -227,11 +227,13 @@ model RegistryNameCheckRequest {
    */
   @maxLength(90)
   @minLength(1)
+  @added(Versions.vLatestPreview)
   resourceGroupName?: string;
 
   /**
    * The auto generated domain name label of the container registry. This value defaults to "Unsecure".
    */
+  @added(Versions.vLatestPreview)
   autoGeneratedDomainNameLabelScope?: AutoGeneratedDomainNameLabelScope = AutoGeneratedDomainNameLabelScope.Unsecure;
 }
 
@@ -335,6 +337,7 @@ model RegistryProperties {
   /**
    * Determines the domain name label reuse scope.
    */
+  @added(Versions.vLatestPreview)
   autoGeneratedDomainNameLabelScope?: AutoGeneratedDomainNameLabelScope = AutoGeneratedDomainNameLabelScope.Unsecure;
 
   /**
@@ -710,6 +713,7 @@ model RegistryNameStatus {
   /**
    * The complete login server name with domain name label (DNL) hash, if available
    */
+  @added(Versions.vLatestPreview)
   availableLoginServerName?: string;
 
   /**
diff --git a/specification/containerregistry/resource-manager/Microsoft.ContainerRegistry/Registry/stable/2025-11-01/containerregistry.json b/specification/containerregistry/resource-manager/Microsoft.ContainerRegistry/Registry/stable/2025-11-01/containerregistry.json
index 3711c2d7e36a..4f640cb52b42 100644
--- a/specification/containerregistry/resource-manager/Microsoft.ContainerRegistry/Registry/stable/2025-11-01/containerregistry.json
+++ b/specification/containerregistry/resource-manager/Microsoft.ContainerRegistry/Registry/stable/2025-11-01/containerregistry.json
@@ -5690,50 +5690,6 @@
         "type": {
           "$ref": "#/definitions/ContainerRegistryResourceType",
           "description": "The resource type of the container registry. This field must be set to 'Microsoft.ContainerRegistry/registries'."
-        },
-        "resourceGroupName": {
-          "type": "string",
-          "description": "The resource group name of the container registry.",
-          "minLength": 1,
-          "maxLength": 90
-        },
-        "autoGeneratedDomainNameLabelScope": {
-          "type": "string",
-          "description": "The auto generated domain name label of the container registry. This value defaults to \"Unsecure\".",
-          "default": "Unsecure",
-          "enum": [
-            "Unsecure",
-            "TenantReuse",
-            "SubscriptionReuse",
-            "ResourceGroupReuse",
-            "NoReuse"
-          ],
-          "x-ms-enum": {
-            "name": "AutoGeneratedDomainNameLabelScope",
-            "modelAsString": true,
-            "values": [
-              {
-                "name": "Unsecure",
-                "value": "Unsecure"
-              },
-              {
-                "name": "TenantReuse",
-                "value": "TenantReuse"
-              },
-              {
-                "name": "SubscriptionReuse",
-                "value": "SubscriptionReuse"
-              },
-              {
-                "name": "ResourceGroupReuse",
-                "value": "ResourceGroupReuse"
-              },
-              {
-                "name": "NoReuse",
-                "value": "NoReuse"
-              }
-            ]
-          }
         }
       },
       "required": [
@@ -5745,10 +5701,6 @@
       "type": "object",
       "description": "The result of a request to check the availability of a container registry name.",
       "properties": {
-        "availableLoginServerName": {
-          "type": "string",
-          "description": "The complete login server name with domain name label (DNL) hash, if available"
-        },
         "nameAvailable": {
           "type": "boolean",
           "description": "The value that indicates whether the name is available."
@@ -5918,44 +5870,6 @@
           "description": "Enables registry-wide pull from unauthenticated clients.",
           "default": false
         },
-        "autoGeneratedDomainNameLabelScope": {
-          "type": "string",
-          "description": "Determines the domain name label reuse scope.",
-          "default": "Unsecure",
-          "enum": [
-            "Unsecure",
-            "TenantReuse",
-            "SubscriptionReuse",
-            "ResourceGroupReuse",
-            "NoReuse"
-          ],
-          "x-ms-enum": {
-            "name": "AutoGeneratedDomainNameLabelScope",
-            "modelAsString": true,
-            "values": [
-              {
-                "name": "Unsecure",
-                "value": "Unsecure"
-              },
-              {
-                "name": "TenantReuse",
-                "value": "TenantReuse"
-              },
-              {
-                "name": "SubscriptionReuse",
-                "value": "SubscriptionReuse"
-              },
-              {
-                "name": "ResourceGroupReuse",
-                "value": "ResourceGroupReuse"
-              },
-              {
-                "name": "NoReuse",
-                "value": "NoReuse"
-              }
-            ]
-          }
-        },
         "roleAssignmentMode": {
           "type": "string",
           "description": "Determines registry role assignment mode.",