Just tried installing service pack 1 on a Server 2008 R2 Enterprise and it just seems to be continually rebooting. It gets to the screen with Stage 1 of 2 Preparing to configure Windows. Do not turn off your computer. Then reboots and the same screen appears then it reboots again. Has been going for a few hours now. The server has WSUS & DHCP installed. Also the ESET NOD32 Remote Administration Console. Please help :) Thanks.

Hi, Grubsy, As Windows Server 2008 R2 SP1 was just released, I would like to suggest you check if your hardware is in the list of Windows Server Catelog ScorpioTechNet Software Assurance Managed Newsgroup | MCTS: Windows Vista | Exchange Server 2007 MCITP: Enterprise Support Technician | Server & Enterprise Administrator | Solution Architect

Hi Scorpio, It is a VM running on VMware ESXi 4.1.0, 348481. I have successfully installed SP1 on other VMs without any issues at all. Grubsy

Hmm interesting. In VMware I went into edit settings, clicked on Network adapter 1, then unchecked 'Connected' This time it completed the service pack installation fine. When it was at the login screen I reconnected the network and it is working fine. Any idea's why this would have worked? Grubsy

It seems to be related to network adapters in VMWare, you may contact VMWare for more information.