Windows Server 2008 R2 with Hyper-V and Xeon 5550 CPU can result in blue screen

A server running Windows Server 2008 R2 with Hyper-V role enabled can generate a blue screen when one or more Intel Nehalem Xeon 5500 CPU’s are installed in the server. The error displayed is 0x00000101 (parameter1, 0000000000000000, parameter3, 000000000000000c) CLOCK_WATCHDOG_TIMEOUT

This problem occurs because spurious interrupts are generated on the computer that uses Intel code-named Nehalem processors. These interrupts are caused by a known erratum that is described in the following Intel documents.

The problem can be fixed by installing a Microsoft hotfix, or workaround by adjusting the registry and disable the powersaving features (core parking) of the Nehalem CPU.

More information at this Microsoft knowledge base article., called “Stop error message on an Intel Xeon 5500 series processor-based computer that is running Windows Server 2008 R2 and that has the Hyper-V role installed: “0x00000101 – CLOCK_WATCHDOG_TIMEOUT


About Marcel van den Berg
I am a technical consultant with a strong focus on server virtualization, desktop virtualization, cloud computing and business continuity/disaster recovery.

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