--- title: "sys.dm_filestream_file_io_handles (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "03/03/2017" ms.prod: sql ms.reviewer: "" ms.technology: system-objects ms.topic: "language-reference" f1_keywords: - "dm_filestream_file_io_handles" - "sys.dm_filestream_file_io_handles" - "dm_filestream_file_io_handles_TSQL" - "sys.dm_filestream_file_io_handles_TSQL" dev_langs: - "TSQL" helpviewer_keywords: - "sys.dm_filestream_file_io_handle catalog view" ms.assetid: e59632f4-3292-419f-9217-ca375749f1a5 author: stevestein ms.author: sstein --- # sys.dm_filestream_file_io_handles (Transact-SQL) [!INCLUDE[tsql-appliesto-ss2008-xxxx-xxxx-xxx-md](../../includes/tsql-appliesto-ss2008-xxxx-xxxx-xxx-md.md)] Displays the file handles that the Namespace Owner (NSO) knows about. Filestream handles that a client got using **OpenSqlFilestream** are displayed by this view. |Column|Type|Description| |------------|----------|-----------------| |**handle_context_address**|**varbinary(8)**|Shows the address of the internal NSO structure associated with the client's handle. Is nullable.| |**creation_request_id**|**int**|Shows a field from the REQ_PRE_CREATE I/O request used to create this handle. Is not nullable.| |**creation_irp_id**|**int**|Shows a field from the REQ_PRE_CREATE I/O request used to create this handle. Is not nullable| |**handle_id**|**int**|Shows the unique ID of this handle that is assigned by the driver. Is not nullable.| |**creation_client_thread_id**|**varbinary(8)**|Shows a field from the REQ_PRE_CREATE I/O request used to create this handle. Is nullable.| |**creation_client_process_id**|**varbinary(8)**|Shows a field from the REQ_PRE_CREATE I/O request used to create this handle. Is nullable.| |**filestream_transaction_id**|**varbinary(128)**|Shows the ID of the transaction associated with the given handle. This is the value returned by the **get_filestream_transaction_context** function. Use this field to join to the **sys.dm_filestream_file_io_requests** view. Is nullable.| |**access_type**|**nvarchar(60)**|Is not nullable.| |**logical_path**|**nvarchar(256)**|Shows the logical pathname of the file that this handle opened. This is the same pathname that is returned by the **.PathName** method of **varbinary**(**max**) filestream. Is nullable.| |**physical_path**|**nvarchar(256)**|Shows the actual NTFS pathname of the file. This is the same pathname returned by the **.PhysicalPathName** method of the **varbinary**(**max**) filestream. It is enabled by trace flag 5556. Is nullable.| ## Permissions Requires VIEW SERVER STATE permission on the server. ## See Also [Filestream and FileTable Dynamic Management Views (Transact-SQL)](../../relational-databases/system-dynamic-management-views/filestream-and-filetable-dynamic-management-views-transact-sql.md)