At the moment I’m helping out on a project that has a Windows 2008 R2 RDS farm with some problems. The issue that was seen was that at random moments the users could log on to a server but was logged of immediately with out any errors in the event logs. First thing I did was install the missing updates and searched for hotfixes for the RDS farm and found KB2312539. It’s a pretty big list containing the current hotfixes for RDS:
