Not strictly a Hyper-V issue, but you’ll understand why I am blogging about this one; A hotfix has been released for when a stop error 0xD1 on a Windows-based computer with multiple processors.


Your multiprocessor Windows-based computer crashes every two to three days. Additionally, Stop error 0xD1 is generated when the computer crashes.


This problem occurs because of a race condition that exists in the TCP/IP driver in a multiprocessor environment. If duplicate TCP segments are received on different processors, they may be sequenced incorrectly, and this triggers the crash.

A hotfix is available

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  1. I realize the article SAYS it’s for Win8/Server2012, but whenever I go to request the Hotfix, it only shows versions for Win7/2008R2..??

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