Error 3050 could not lock file or error 3052 share lock count exceed increase the maxlocksperfile registry entry (Pro6 and SE6)

Modified on: 2017-08-07 14:30:06 -0400


Error "3050 Could Not Lock File" When You Connect to a Jet Database, Error 3052 when performing a large database function on a Novell Server or Linux Server.

 

IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 (http://support.microsoft.com/kb/256986/EN-US/) Description of the Microsoft Windows Registry

 

Change MaxLocksPerFile in the Windows Registry

 

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

1.
From the Windows Start menu, click Run, type Regedt32.exe, and then click OK to start Registry Editor.
2.
Locate the MaxLocksPerFile value under the following key in the registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Jet\4.0\Engines\Jet 4.0
NOTE: If the MaxLocksPerFile value does not exist, you must create it.
3.
For a Novell Server, Decrease the MaxLocksPerFile value so that it is equal or below the Novell MaxLocks attribute.
For a Windows Server, increase the amount by approx. 50%.
4.
Quit Registry Editor.




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