Please have your Design Manager username and password handy!
Alternately, users can sign in through the website address https://login.designmanager.com
To point Citrix to the new gateway address:
Look for the minimized Citrix icon running near the system clock. It may be blue or grey, depending on the version installed
Right-click the Citrix bullseye, and choose Advanced Preferences
Click Reset Citrix Workspace and confirm reset.
Enter your DM username and password
Your copy of Citrix is now configured for the new server address.
You can use the icon in the launchpad, or it should create an icon on the start menu / desktop.