Hi, I have been trying to resolve the followign issue for a number of days and have, so far, been unsucessful. Ok, here is some very strange behavior. And, any help[ or direction would be very much appreciated.: Background I am currently running Server 2003 with IIS6 and SharePoint 2007 I use the SP...

I have an intranet ASP.NET 2.0 web app running on a Win 2003 SP2 server running IIS 6.0 that gives intermittent and, as yet, un-reproduceable username/password prompts for some of our users. I'm using authentication mode="Windows" in my ASP.NET app and Integrated Windows authentication...

Thanks for the reply. I tried that but it didn't seem to work. I carried on digging and I found this post which led me to this post and this command: rundll32.exe keymgr.dll,KRShowKeyMgr which allowed me to remove the offending creds.