When you disconnect and then reconnect to a session on a Windows MultiPoint Server 2011 station, some functionality may stop working. For example, private USB storage, web limiting, or station blocking may stop working.
To resolve this problem, install the update rollup that is described in the following Microsoft Knowledge Base article:
2555129 Update Rollup 1 for Windows MultiPoint Server 2011
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about how to manage user files, visit the following Microsoft TechNet website:
Manage User FilesFor more information about how to block or to unblock stations, visit the following Microsoft TechNet website:
Block or Unblock a StationFor more information about how to limit web access, visit the following Microsoft TechNet website:
Limit Web AccessFor 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