Gpprefcl.dll – Pre Service Pack 3 Revision History for Windows Vista SP2, Windows Server 2008 SP2 and Windows Small Business Server 2008 (SBS 2008)
05-Mar-2012 – 6.0.6002.22811 – Gpprefcl.dll – x86/x64 – http://support.microsoft.com/kb/2653810 – Security group filter in Group Policy Preferences does not remove a user from a group in Windows Server 2008
12-Jan-2012 – 6.0.6002.22777 – Gpprefcl.dll – x86/x64 – http://support.microsoft.com/kb/2656908 – Group Policy Preferences stops responding when you try to configure printers that use third-party drivers in Windows Server 2008
24-Nov-2011 – 6.0.6002.22746 – Gpprefcl.dll – x86/x64 – http://support.microsoft.com/kb/2622802 – The Group Policy Client service crashes on a terminal server that is running Windows Server 2008 or Windows Server 2008 R2 when multiple users connect to the server at the same time
20-May-2011 – 6.0.6002.22648 – Gpprefcl.dll – x86/x64 – http://support.microsoft.com/kb/2526870 – Windows Vista, Windows Server 2008, Windows 7, or Windows Server 2008 R2 may stop responding at the Welcome screen after you enter the user credentials to log on to the computer
06-Oct-2010 – 6.0.6002.22499 – Gpprefcl.dll – x86/x64 – http://support.microsoft.com/kb/2300745 – A memory leak occurs in Svchost.exe when you apply or update Group Policy preference settings in Windows Server 2008
17-Sep-2010 – 6.0.6002.22490 – Gpprefcl.dll – x86/x64 – http://support.microsoft.com/kb/2414013 – Group Policy Preferences client-side extension hotfix rollup for Windows Server 2008
14-Apr-2010 – 6.0.6002.22382 – Gpprefcl.dll – x86/x64 – http://support.microsoft.com/kb/979731 – Some Group Policy preferences are not applied successfully on computers that are running Windows Vista, Windows Server 2008, Windows 7 or Windows Server 2008 R2
14-Apr-2010 – 6.0.6002.22382 – Gpprefcl.dll – x86/x64 – http://support.microsoft.com/kb/958089 – A Svchost.exe handle leak occurs in Windows Server 2008 when Group Policy preference settings are applied
19-Jan-2010 – 6.0.6002.22314 – Gpprefcl.dll – x86/x64 – http://support.microsoft.com/kb/974825 – You cannot deploy a shared printer in Windows Server 2008 if the owner is not the SYSTEM account or a member of the Administrators group
13-Jan-2010 – 6.0.6002.22311 – Gpprefcl.dll – x86/x64 – http://support.microsoft.com/kb/971438 – A Group Policy object is not applied to a computer that is a member of a nested group on a Windows Server 2008-based domain controller
17-Jul-2009 – 6.0.6002.22179 – Gpprefcl.dll – x86/x64 – http://support.microsoft.com/kb/951430 – Non-administrators cannot log on to the console of the computers that are running Windows Server 2008 if locale information is set in Group Policy Preferences