If you are experiencing suddenly slow boot/start-up with Windows 7 or Windows Server 2008 R2on domain this could be caused by the latest updates by Microsoft in June. There are now released and available two Knowledge Base articles on this issues:
To apply this update, you must be running one of the following operating systems:
- Windows 7
- Windows 7 Service Pack 1 (SP1)
- Microsoft Windows Server 2008 R2
- Windows Server 2008 R2 Service Pack 1 (SP1)