The error indicates the authentication method being used to login with is offline or incorrect.

Contact the system administrator. 

The server did not recognize your Login ID and/or Password, your Login shell is not set to CMS, or (V8 or later CMS only) cmsadm backup is running. Please try again or contact your system administrator.  

1. Verify your CMS login settings Connect -> CMS Servers -> Server Properties   2. Ensure your...

Your received the 405 Not Allowed error while browsing a web page or after submitting a form on a web page. There are multiple reasons for the error. The most common reason you receive this error is because input you are submitting may not be allowed to be processed by the webserver of the website you...

In Microsoft Office, you may encounter a random runtime error with Enterprise Connect plugin when you launch any Office application.   Custom UI Runtime Error in Enterprise Connect Error found in Custom UI XML of “Enterprise Connect”:

Line: Column: Error Code: Unknown Office control ID   To fix, disable the Enterprise Connection office Add-in...

If you try to open Citrix Receiver multiple times, you will receive the following error.  

Unable to launch your application. Contact your help desk and provide them with the following information: Cannot open the Citrix Receiver.