Hotfix : Windows 2008 R2 + Hyper-V + Intel Nehalem = Blue Screen

If you have Windows 2008 R2 + Hyper-V running on Nehalem CPU(Intel Xeon 5500 or Core-i) and getting blue screen messages with 0x00000101 - CLOCK_WATCHDOG_TIMEOUT stop code then you will definetly need to check the KB below :

http://support.microsoft.com/default.aspx/kb/975530

Before applying the Hotfix to your platform take into account the warning from MS :

Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.