Symptoms
When you administer the Block all stations task or the Limit web access on all stations task for Windows MultiPoint Server (WMS) 2011 stations and then close the MultiPoint Manager, a new user session on a station is not blocked or limited to specified websites.
Resolution
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
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
For more information about how to block or 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