--- title: Unlock a Version ms.custom: "" ms.date: "03/01/2017" ms.prod: sql ms.prod_service: "mds" ms.reviewer: "" ms.technology: master-data-services ms.topic: conceptual helpviewer_keywords: - "unlocking versions [Master Data Services]" - "versions [Master Data Services], unlocking" ms.assetid: b4cf4404-40f3-46fb-801d-cbf80a95448c author: lrtoyou1223 ms.author: lle --- # Unlock a Version (Master Data Services) [!INCLUDE[appliesto-ss-xxxx-xxxx-xxx-md-winonly](../includes/appliesto-ss-xxxx-xxxx-xxx-md-winonly.md)] In [!INCLUDE[ssMDSshort](../includes/ssmdsshort-md.md)], unlock a version of a model to enable changes to the model's members and their attributes. ## Prerequisites To perform this procedure: - You must have permission to access the **Version Management** functional area. - You must be a model administrator. For more information, see [Administrators (Master Data Services)](../master-data-services/administrators-master-data-services.md). - The version's status must be **Locked**. For more information, see [Lock a Version (Master Data Services)](../master-data-services/lock-a-version-master-data-services.md). - You must have permission to access the Version Management functional area. For more information, see [Functional Area Permissions (Master Data Services)](../master-data-services/functional-area-permissions-master-data-services.md). ### To unlock a version 1. In [!INCLUDE[ssMDSmdm](../includes/ssmdsmdm-md.md)], click **Version Management**. 2. On the **Manage Versions** page, select the row for the version you want to unlock. 3. Click **Unlock**. 4. In the confirmation dialog box, click **OK**. ## Next Steps - [Lock a Version (Master Data Services)](../master-data-services/lock-a-version-master-data-services.md) ## See Also [Versions (Master Data Services)](../master-data-services/versions-master-data-services.md)