--- title: "sys.dm_exec_dms_services (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: 11/04/2019 ms.prod: sql ms.prod_service: "database-engine, sql-data-warehouse, pdw" ms.reviewer: "" ms.technology: system-objects ms.topic: "language-reference" f1_keywords: - "DM_EXEC_DMS_SERVICES_TSQL" - "SYS.DM_EXEC_DMS_SERVICES_TSQL" - "DM_EXEC_DMS_SERVICES" dev_langs: - "TSQL" helpviewer_keywords: - "PolyBase,views" - "PolyBase" - "dm_exec_dms_services management view" - "sys.dm_exec_dms_services management view" ms.assetid: 6ac47eef-4293-46b8-8555-07a614837504 author: stevestein ms.author: sstein monikerRange: ">=aps-pdw-2016||=azure-sqldw-latest||>=sql-server-2016||=sqlallproducts-allversions||>=sql-server-linux-2017||=azuresqldb-mi-current" --- # sys.dm_exec_dms_services (Transact-SQL) [!INCLUDE[tsql-appliesto-ss2016-xxxx-asdw-pdw-md](../../includes/tsql-appliesto-ss2016-xxxx-asdw-pdw-md.md)] Holds information about all of the DMS services running on the PolyBase compute nodes. It lists one row per service instance. |Column Name|Data Type|Description|Range| |-----------------|---------------|-----------------|-----------| |dms_core_id|`int`|Unique numeric id associated with the DMS core. Key for this view.|Unique ID.| |compute_node_id|`int`|ID of the node on which this DMS service is running|See *compute_node_id* in [sys.dm_exec_compute_nodes (Transact-SQL)](../../relational-databases/system-dynamic-management-views/sys-dm-exec-compute-nodes-transact-sql.md).| |status|`nvarchar(32)`|Current status of the DMS service|| |compute_pool_id|`int`|Unique identifier for the pool.| ## See Also [PolyBase troubleshooting with dynamic management views](https://msdn.microsoft.com/library/ce9078b7-a750-4f47-b23e-90b83b783d80) [Dynamic Management Views and Functions (Transact-SQL)](~/relational-databases/system-dynamic-management-views/system-dynamic-management-views.md) [Database Related Dynamic Management Views (Transact-SQL)](../../relational-databases/system-dynamic-management-views/database-related-dynamic-management-views-transact-sql.md)