One pesky thing you might notice from time to time when preparing a hosted shared desktop is by default on logon for a new user will see the server manager icon on the taskbar – as generally these users will be non-admin users never a reason to have it there.
Quick and easy way to dispense of this is to:
i) Run Server Manager on the remote desktop session host server.
ii) On the top-right of the screen go to Manage | Server Manager Properties as shown below
iii) From the dialog box, tick the box for Do not start Server manager automatically at logon.
Note that sometimes you may have to set by group policy as the option will be managed by GPO – to enable via GPO look for location below:
Computer configuration > Administrative Templates > System > Server Manager