The SharePoint Products and Technologies Configuration Wizard does not finish successfully

The SharePoint Products and Technologies Configuration Wizard does not finish successfully

Symptoms

You run the SharePoint Products and Technologies Configuration Wizard (PSConfigui.exe) to upgrade the databases. When you do this, the wizard does not finish successfully. Additionally, the following error message is logged:

Date Time 8 ERR An exception of type Microsoft.SharePoint.Administration.SPUpdatedConcurrencyException was thrown.
Additional exception information: An update conflict has occurred, and you must re-try this action. The object DiagnosticsService Parent=SPFarm Name=SharePoint_Config is being updated by Domain\User, in the w3wp process, on machine SERVER.
View the tracing log for more information about the conflict.
Microsoft.SharePoint.Administration.SPUpdatedConcurrencyException: An update conflict has occurred, and you must re-try this action. The object DiagnosticsService Parent=SPFarm Name=SharePoint_Config is being updated by Domain\User, in the w3wp process, on machine SERVER.
View the tracing log for more information about the conflict.

This message is logged in the following log file:

Drive:\Program Files\Common Files\Microsoft Shared\web server extensions\12\LOGS\PSCDiagnostics_Datecode

Cause

This issue occurs because a lock exists on the SPFarm object. Therefore, the SharePoint Products and Technologies Configuration Wizard cannot update the databases.

Resolution

To resolve this issue, clear the Windows SharePoint Services configuration cache.

For more information about how to do this, click the following article number to view the article in the Microsoft Knowledge Base:

939308 (http://support.microsoft.com/kb/939308/ ) Error message when you try to modify or to delete an alternate access mapping in Windows SharePoint Services 3.0: "An update conflict has occurred, and you must re-try this action"