Gpapi.dll – Pre Service Pack 2 Revision History for Windows Server 2008 R2 SP1, Windows 7 SP1 and Windows Small Business Server 2011 (SBS 2011)

01-Oct-2011 – 6.1.7601.21830 – Gpapi.dll – x86/x64 – http://support.microsoft.com/kb/2581608 – Logon scripts take a long time to run in Windows Vista, in Windows Server 2008, in Windows 7 or in Windows Server 2008 R2

19-May-2011 – 6.1.7601.21730 – Gpapi.dll – x86/x64 – http://support.microsoft.com/kb/2553771 – GetGPOList function does not return all GPOs in Windows 7, in Windows Server 2008 R2, in Windows Vista or in Windows Server 2008

19-May-2011 – 6.1.7601.21730 – Gpapi.dll – x86/x64 – http://support.microsoft.com/kb/2550944 – Group Policy logon scripts do not run in Windows 7 or in Windows Server 2008 R2