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.
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.
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 updatesFor more information about PDW, go to the following Microsoft website: