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0x0000007F Stop error in nlb.sys, ndis.sys, or netvsc63.sys in Windows Server 2012 R2


View products that this article applies to.

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Symptoms

Consider the following scenario:
  • You have a Hyper-V host that is running Windows Server 2012 R2.
  • You run either a Windows Server 2012 or Windows Server 2012 R2 virtual machine (VM) on the Hyper-V host.
In this scenario, you receive a Stop error message that resembles the following: 
STOP: 0x0000007F (parameter1, parameter2, parameter3, parameter4)
Notes
  • Stop error 0x0000007F indicates an UNEXPECTED_KERNEL_MODE_TRAP issue.
  • The parameters in this Stop error message vary depending on the configuration of the computer.
  • Not all "0x0000007F" Stop errors are caused by this issue.
This issue occurs if the following conditions are true:
  • The VM instances are part of a network load balancing (NLB) cluster, and the time-out is set in the Extended Affinity configuration.
  • The VM instances are serving traffic across the NLB cluster IP.
  • A start or drain Stop request is submitted by either VM instance.

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Resolution

To resolve this issue, install update 2955164. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2955164 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: May 2014

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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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More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

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Keywords: kbmdd, kbqfe, kbfix, kbsurveynew, kbexpertiseadvanced, kb

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Article Info
Article ID : 2953561
Revision : 1
Created on : 1/7/2017
Published on : 10/9/2014
Exists online : False
Views : 181