KB article related to network printers being unexpectedly deleted in scenario’s where multiple users a logged on via RDP or fast user switching.
“…Consider the following scenario:
- Multiple users use Remote Desktop Protocol (RDP) to connect to a Remote Desktop Services (RDS) server that is running Windows Server 2012. Multiple RDP sessions are then established.
- Multiple users log on to the same computer that is running Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, Windows 8, or Windows Server 2012 by using Fast User Switching, and then local sessions establish.
- They install the same network printer in the RDP or local sessions.
- One user deletes the printer in a RDP or local session.
In this scenario, other users who installed the printer previously also see that the printer is deleted from their session…”
more info & download: http://support.microsoft.com/kb/2967077/en-us?sd=rss&spid=16526