Re: Periodic RDP connection refusal by Win2003
- From: "Vera Noest [MVP]" <vera.noest@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Sat, 10 Mar 2007 00:54:17 -0800
I assume that you are running SP1 on the server?
Did the problem arise suddenly, from one day to the next, or has it
gradually increased over a longer time period?
Does it happen to random clients, or is there a pattern (same
connection, same switch, same ISP)?
Does it happen at random intervals, or is there a problem-free
period after each reboot?
Does it happen at random times, or is there a pattern (coincides
with office hours, large data transfer over the network, scheduled
activities like virus scan, backup)?
There are a number of post-SP1 hotfixes which resemble your problem
description.
Check if any of the details in the articles fit your situation.
811211 - Your multiprocessor Microsoft Windows 2000 Server-based
computer or multiprocessor Windows Server 2003-based computer may
stop responding, and the keyboard may not work correctly
http://support.microsoft.com/?kbid=811211
923630 - A Windows Server 2003-based terminal server stops
responding to new connection requests, and the logon window does
not appear
http://support.microsoft.com/?kbid=923630
883670 - FIX: The Terminal Services service stops responding in
Windows Server 2003 and you receive an "The RPC service is
unavailable" error message when you try to connect to the terminal
server by using the Remote Desktop Connection program
http://support.microsoft.com/?kbid=883670
898060 - Installing security update MS05-019 or Windows Server 2003
Service Pack 1 may cause network connectivity between clients and
servers to fail
http://support.microsoft.com/?kbid=898060
324446 - Terminal Server and connected Terminal Services clients
pause when a Terminal Services client logs on or logs off
http://support.microsoft.com/?kbid=324446
_________________________________________________________
Vera Noest
MCSE, CCEA, Microsoft MVP - Terminal Server
TS troubleshooting: http://ts.veranoest.net
___ please respond in newsgroup, NOT by private email ___
Jimmy Madden <jimmy.madden@xxxxxxxxxxxx> wrote on 10 mar 2007 in
microsoft.public.windows.terminal_services:
In the last couple of weeks, we've seen our Win2003 server start.
to refuse new RDP connections. Currently connected sessions
keep going along just fine. When attempting to connect from
WinXP you get "Remote Desktop Disconnected" "The client could
not establish a connection to the remote computer. The most
likely causes for this are: 1) Remote connections might not be
enabled at the remote computer 2) The maximum number of
connections was exceeded at the remote computer, 3) A network
error occurred while establishing the connection."
Number 1 is obviously not the problem if others are already
connected. Same for number 3. We have unlimited connections,
so the rules out number 2. We're also not running out of
licenses or memory, or hard disk space. I can ping the machine
, and I can telnet to the RDP port (3389), and it accepts my
connection. I've tested Microsoft's solution for a "black-hole
router" and that test passed.
Sometimes, after 5, 10, 15 or more minutes, it starts accepting
new connections again. Sometimes it requires a reboot. I
cannot find anything in the Event Viewer to give me any clues.
To recap: Win2003 Server, temporarily stops accepting new RDP
connections, current connections keep working fine. Calgon,
take me away! Anybody got any ideas? Many thanks in advance!
Jimmy Madden
Network Admin.
HSI
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