Troubleshooting Citrix Slow Performance Issues Thursday, 29 May 2008 11:32 Chris Bradford Troubleshoot Citrix / Thin Client Performance' After a long project that was aimed at improving Thin Client performance I though I would post my experiences and solutions in order to aid those in a similar situation. Citrix Server Performance Improvement I was recently tasked with improving a Citrix XP and PS 4.5 Farm’s performance; by no means was this simple project which I could simply throw more servers at the farm hoping to resolve the issue. By far, the most useful tool in diagnosing slow logons is the userenv.dll debugging available in your Windows out of the box. This will really spell out where your problem is coming from. For further information read this link: http://support.microsoft.com/kb/221833 External File Server Performance External file servers, especially servers holding roaming user profiles can cause significa...