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Explorer process freezes when you log on to a Windows 8.1 or Windows Server 2012 R2-based server in a PDW appliance

Consider the following scenario:

  • You have computers that are running Windows RT 8.1, Windows 8.1 or Windows Server 2012 R2 in an environment.
  • You install Microsoft SQL Server 2012 and configure disks, network or cluster, on a server.
  • You try to log on to one of the servers in the environment in a Microsoft SQL Server 2012 Parallel Data Warehouse (PDW) appliance.
In this scenario, the Explorer.exe process freezes and any interactions are blocked.

Update information

To resolve this issue, install update 2919355. For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:  
2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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
For more information about PDW, go to the following Microsoft website:


Article ID: 2929455 - Last Review: 04/08/2014 17:23:00 - Revision: 1.0

  • Windows 8.1 Enterprise
  • Windows 8.1 Pro
  • Windows 8.1
  • Windows RT 8.1
  • Windows Server 2012 R2 Datacenter
  • Windows Server 2012 R2 Essentials
  • Windows Server 2012 R2 Foundation
  • Windows Server 2012 R2 Standard
  • kbqfe kbfix kbsurveynew kbexpertiseadvanced KB2929455
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