Check if this applies:
898060 - Network connectivity between clients and servers may not
work after the installation of security update MS05-019 or Windows
Server 2003 Service Pack 1
http://support.microsoft.com/?kbid=898060
_________________________________________________________
Vera Noest
MCSE, CCEA, Microsoft MVP - Terminal Server
TS troubleshooting:
http://ts.veranoest.net
SQL troubleshooting:
http://sql.veranoest.net
___ please respond in newsgroup, NOT by private email ___
"(E-Mail Removed)" <(E-Mail Removed)> wrote on 12 jan 2006 in
microsoft.public.win2000.termserv.apps:
> We have several remote locations and TS clients from one
> location
> suddenly disconnect and can't connect until TS server rebooted.
> (They received the message TS server unaccessible or something
> like that) Clients from other locations and in local network can
> connect without problem. Restarting desktops of remote clients
> don't help. The situation repeated 1-3 times per week.
> I have checked TS logs, but there are no errors. CISCO
> routers
> throught which remote site connected report no errors. I can
> connect to remote clients using remote tools like Radmin or SMS
> remote control.
> Does somebody have any ideas?
>
> Any help will be appretiated.
>
> Best regards,
> Andrey