Not sure if this is the right fix? We've added this issue to our memory dump diagnostic which can confirm. Symptoms Consider the following scenario: A computer is running Windows Server 2008 R2 and has the Hyper-V role installed. This computer uses one or more Intel CPUs that are code-named Nehalem. For example, the Nehalem CPU for a server is from the Intel Xeon processor 5500 series, and the Neh