I am using mandatory profiles with Windows XP and Server 2003. It works, however it is just slow. I've checked the size of the profile and it is around 1mb, so I didn't think that was it. I am using desktops connected to Ethernet, so no wireless issues.
I did some reading on here that said to use policy manager, so I tried that and found a delay in "Internet Explorer Branding" I have attached that picture. If anyone has any advice, it would be much appreciated. There is a delay of about 20 some seconds. I have all MS updates on both client and server.