Currently we have an issue where randomly our Citrix version of Internet Explorer prompts for domain credentials for authentication to our proxy server. When users enter their current domain credentials it allows access through the proxy server. They also click on "remember my password". However when they go to reopen IE it will prompt again for credentials.
We are using Internet Explorer version 8
This occurs randomly and I do not believe that it is occuring on all of our servers in the farm
Note that this never occurs when using local version of Internet Explorer
Any troubleshooting steps or places to look would be greatly appreciated