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RDP Problem "connection to the remote computer was broken"

I am using windows xp pro sp2 on my home pc, it is connected to the internet with a 2wire dsl gateway, I use watchguards mobile user VPN to create a tunnel to the servers and workstations at work, I have about 20 to 30 other remote users that are not reporting problems, I use RDP to connect to my servers as well as my local workstation. last weekend RDP quit working, I get the error message "the connection to the remote computer was broken, this may be caused by a network error, try connecting again" I now have to use PCAnywhere to connect to my workstation at work and then use RDP to get to my servers. they only change that was made on my home side was I added a driver for a mobile GPS receiver and haven't been able to make an RDP connection since, I did a system restore to remove the driver which didn't fix the issue, I also did a repair using the Windows XP CD and that hasn't worked either. I can ping all the servers and workstations and I can make telnet,  ftp connections, and PCAnywhere connections thru the VPN without problem, Any Idea what could be wrong with RDP? I it's faster and easier to use then PCAnywhere. Thanks
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sreesebdc
Asked:
sreesebdc
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1 Solution
 
Farhan KaziSystems EngineerCommented:
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sreesebdcAuthor Commented:
I tried resetting the tcp/ip stack and the problem is not fixed
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Farhan KaziSystems EngineerCommented:
If you have access to the remote machine make sure it is "listening" for your connection.
To do so at a command line enter (substitute port # if not using default 3389):

Netstat  -an  |Find  "3389"

You should get the following result:
TCP   0.0.0.0:3389    0.0.0.0:0    LISTENING

If not go to Start  | Run | services.msc and see if Terminal Services is started and set to automatic
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sreesebdcAuthor Commented:
I'm certain that the problem is on my machine no other users are reporting this problem, I can no longer make an RDP connection to any machine/server not just my workstation.
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Farhan KaziSystems EngineerCommented:
Do you have any firewall (Windows or any thirdparty) enabled ?
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jackmcbarnCommented:
>"the connection to the remote computer was broken, this may be caused by a network error, try connecting again"
When during the connection process do you get this error?
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geewillyCommented:
Are all the proper Remote services enabled on your pc?  Do a repair on WinXp install.
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jackmcbarnCommented:
Quote: I also did a repair using the Windows XP CD and that hasn't worked either.
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sreesebdcAuthor Commented:
I've disabled the firewall and still I get the connection broken message, it's the same for which ever box I try to connect to: the connection starts and I get the connection bar at the top of the screen, the whole PC slows down and is inoberable for 20-30 seconds and then I get the connection is broken message, I am at work know and I'm going to reboot the firewall VPN applaince just for kicks. but since no other user is having the problem my guess is that won't fix it.
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Ted BouskillSenior Software DeveloperCommented:
I don't have a solution to this but I have a comment.  I am having the exact same problem!

I have DSL connect to a Linksys BEFSRX41 which is protecting my Windows XP SP2 box.  I connect to my office using the Cisco VPN Client.  The VPN client connects and I can then connect to websites and ping servers in the network.  However, when I try to use RDP I get the same problem as the author of this question.

I did notice though that if I bypass the Linksys router, I can establish an RDP connection but of course my PC is then exposed to the internet.
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CulbertCommented:
Try to make a connection to a local machine from the problem computer.  If you have another xp machine on your LAN connect to that.  If you are able to make a connection it sounds like a VPN issue.  Make sure your tunnel is working properly and is set for all your traffic.  
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bdmaddenCommented:
I agree that the most likely culprit is your VPN connection as it seems when you're dropping after initial connect (the server Is listening and responding) either there's a settings issue with your RDP client can't negotiate (display?) or between RDP and the VPN connection.  You might try Wireshark (ethereal) or other packet sniffer to see when the connection drops, you could compare it to a successful connection to see what packets choke it.  Also see if the server has any logs of the attempted connection that yield any hints to why it fails.
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Ted BouskillSenior Software DeveloperCommented:
Well I don't want to steal the original author's thread, however, I'm actively working on the problem and if I can solve the issue I can help the author.

Any way, to answer Culbert I can RDP successfully internally to other systems behind the router.  Also, I can RDP to remote servers I manage at other hosting providers.  However, when I establish a VPN tunnel with my Cisco VPN Client I cannot RDP to servers on the other side of the VPN tunnel unless I circumnavigate the Linksys Router.

I've installed Wireshark and am now poking around trying to find out why the VPN route through the Linksys appliance doesn't allow RDP to connect.
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CulbertCommented:
VPN issues are hard to troubleshoot without all the information.  The first thing I would do is confirm that none of the other users are experiencing the same problem.  If not then you know its a problem with your client.  I'm not familiar with that client, but worst case remove the client and make sure its gone.  Then just follow regular installation procedures.  
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sreesebdcAuthor Commented:
I have bypassed the VPN by opening the rdp port on the firewall and routing RDP traffic to a terminal server, I have several users who use pocket pc's in this manner, The problem reamins I get the connection bar at the top of the screen and the system becomes inoperable for 20 to 30 seconds and then I get the "RDP connection broken" message. I will install another XP box on my home network and if it can make the RDP connection thru my home gateway then I'll just have to replace my OS on the broken machine, unless anyone else has other ideas, I can't afford to spend much more time trouble shooting this problem, it will be interesting it find out if it is the OS on this machine that is the culprit.
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sreesebdcAuthor Commented:
Issue could be resolved, when I logged on this morning my Modem/DSL gateway was locked up, I reset it and now I can make RDP connections thru the public side of the firewall and thru the VPN as well, I can't imagine what has changed as I have rebooted that modem several times trying to trouble shoot, the upload and download speeds are unchanged from yesterday. I can only guess that somehow AT&T and my DSL modem/gateway where to blame. thanks to all for the help. If the problem returns I'll give everyone another crack at fixing it.
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crasheliteCommented:
i would check the MDC on the router next time http://192.168.1.254/MDC (or http://gateway.2wire.net/mdc)

on that page there are a bunch of tools that help trouble shoot and also the detailed log for the firewall that does SPI that is built into the 2wire. Some times the 2wire gateway can get overwhelmed and/or corrupted and the factory reset works 90% of the time.

till next time it happens :)
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