citrix Please verify your user name and password and try logging on again. If you cannot log on, contact your help desk.

This sounds like a simple issue to fix, more than likely due to an auth error which we can trace through the logs available. Feel free to message me if you'd like to discuss my bid. I'm also happy to go through my pro Plus

If its end user login use, need to verify the network traffic flow and components configuration. Usually user login fails due to many reason, walk through the environment can help to find the resolution.