Hey, I have multiboot ( server 2008 R2 and 2012 RC) and have no probem with each O.S. but after I installed AD DS on server 2008 R2 and restart the machine ,Windows hung during startup and displayed the scrolling green progress bar on the screen. I have tried several times installing server 2008 R2 but the same problem. I cannt either enter in safe mode . Any one have an idea? thanks in advanceHkR

Hello HkR, I suggest you check similar kind of thread: http://social.technet.microsoft.com/Forums/en/winservergen/thread/0626141c-b04f-4407-bb6e-a1e33efd6296 Regards, Ravikumar P

Thank you EXRAPUL, I have read the suggested link by you but the issue by my server was related to the SATA port on my MB, I just change the HDD SATA port and the life comes interesting again HkR

Thank you EXRAPUL, I have read the suggested link by you but the issue by my server was related to the SATA port on my MB, I just change the HDD SATA port and the life comes interesting again HkR

Good to see your reply, is your problem solved? or still there? Check it once again and post your errors if you find any.Regards, Ravikumar P

Yes absolutely solved, Thanks EXRAPULHkR

Great and Good to hear that your problem is solved. Regards, Ravikumar P

Yes absolutely solved, Thanks EXRAPUL HkR According to HkR, his problem is solved with the help of link provided above. So, can some one mark this as answer and help other readers to resolve their issue in future.If they get similar kind of issue.Regards, Ravikumar P

EXRAPUL The Answer wasn't by the link you have suggested HkR