RDP Server 2003R2 > Thin client problem

[Guest Jan Kratky]

I have the following problem: we have a new Windows 2003R2 terminal server in

our office. Our Windows 2000 and XP PC's can connect to this server normally,

but our Windows 4.0 and 5.0 thin clients are unable to connect. The thin

clients can still normally login to our older terminal servers running

Windows 2003 and Windows 2000. This issue is weird, because there are no

errors in the server's Eventlog. Can anybody help?