iSCSI target service crashes randomly in Windows Server 2012 R2 or Windows Server 2012

Applies to: Windows Server 2012 R2 DatacenterWindows Server 2012 R2 StandardWindows Server 2012 R2 Essentials

Symptoms


Consider the following scenario:
  • You install the iSCSI Target Server role on a Windows Server 2012 R2-based or Windows Server 2012-based computer. 
  • The iSCSI target server contains many iSCSI targets (such as more than six hundred).
  • You install update 2933826 on the iSCSI target server. 
In this scenario, this issue occurs.  

Cause


This issue occurs because the iSCSI target service has insufficient buffers to send a message to an iSCSI initiator.

Resolution


To resolve this issue in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2, install update rollup 2975719. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2975719 August 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2
To resolve this issue in Windows 8, Windows RT, Windows Server 2012, install update rollup 2975331.


For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2975331 August 2014 update rollup for Windows RT, Windows 8, and Windows Server 2012

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