Microsoft has released an Update Rollup for Microsoft Windows MultiPoint Server 2011

Update Rollup 1.1 (UR1.1) for Windows MultiPoint Server 2011 resolves issues that were found in Windows MultiPoint Server 2011 since the software was released. This update rollup is highly recommended for all Windows MultiPoint Server 2011 customers.

UR1.1 supersedes all previously released updates for Windows MultiPoint Server 2011.

For a list of updates that are included in this update rollup, see KB2626067.

  Update Rollup 1.1 for Microsoft Windows MultiPoint Server 2011 (KB2626067)