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PXE client computers freeze during multithread network transfers in Windows Server 2012 R2

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Symptoms

When you deploy Windows Server 2012 R2 through Windows Deployment Services (WDS) Pre-Boot Execution Environment (PXE), the server CPU usage spikes to 100%. In this situation, client computers may freeze while waiting for a response from the PXE server. 

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Cause

This issue occurs because of a race condition on the server that occurs in PXE operations that attempt multi-threaded network transfers. For example:
  • A high number of logical processors (32+ logical processors)
  • Multiple clients connect to a single PXE 

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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References

Learn about the terminology that Microsoft uses to describe software updates.

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Keywords: kbqfe, kbsurveynew, kbfix, kbexpertiseinter, kb

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Article Info
Article ID : 3155444
Revision : 1
Created on : 1/7/2017
Published on : 5/30/2016
Exists online : False
Views : 185