keep-the-locks-configuration-option-default-value.md

title	Keep the Locks Configuration Option Default Value | Microsoft Docs
ms.custom
ms.date	03/13/2017
ms.prod	sql
ms.prod_service	database-engine
ms.reviewer
ms.technology	security
ms.topic	conceptual
helpviewer_keywords	Best Practices [Database Engine]
ms.assetid	f214f05b-5f0b-4786-b2ad-b8b4b6e58d72
author	VanMSFT
ms.author	vanto

Keep the Locks Configuration Option Default Value

[!INCLUDEappliesto-ss-xxxx-xxxx-xxx-md] This rule checks the value of the locks configuration option. This option determines the maximum number of available locks. This limits how much memory the [!INCLUDEssDEnoversion] uses for locks. The default setting of 0 enables the [!INCLUDEssDE] to allocate and deallocate lock structures dynamically based on changing system requirements.

If locks is nonzero, batch jobs will stop, and an "out of locks" error message will be generated, if the value specified is exceeded.

Best Practices Recommendations

Use the sp_configure system stored procedure to change the value of locks to its default setting by using the following statement:

EXEC sp_configure 'locks', 0;  

For More Information

Configure the locks Server Configuration Option

sys.dm_tran_locks (Transact-SQL)

sys.dm_os_wait_stats (Transact-SQL)

Microsoft Knowledge Base article 271509

See Also

Monitor and Enforce Best Practices by Using Policy-Based Management