Even if you are logged in as Administrator in Cognos TM1 Architect program, many menus are grey as you where logged in as a Anonymous or a person without Admin rights in the TM1 cube.
The user complains that they can not reach the Security - Clients/groups menu on the TM1 application.
On the Citrix installation of TM1 Architect there are some files missing from the users folder.
Copy the files tm1p8.lic and tm1p.ini from a working local installation of TM1 Architect to the Citrix server.
Place the files in folder c:\programdata\applix\tm1