UCS 4.4 Roaming Profile

Hello there,

it seems like we are having issues with our roaming profiles when a user is setting his own wallpaper.

I tried it myself an set an wallpaper with 7680x4320 an 5.4Megabyte, I know its huge but should work.

When I set the wallpaper logoff and logon again I always get the message “problem with your roaming profile” the windows event log says he cant reach my domain. When I get back to an Wallpaper Microsoft is providing with Windows everything seems to work fine.

Is there a look where I can look into or does some can help me debugging this issue?