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Remote Desktop Disconnection

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by james

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I have recently began using a Sonicwall Global VPN Client to allow remote staff to use our internal applications. The firewall is a SOHO 3 and the server is a basic Win2K Server. The main software package used is an ACU-COBOL based package. The problem is that it regularly disconnects the clients for no apparent reason. Some days is happens once a day and other days it happens every few minutes. The error message the clients get is - REMOTE DESKTOP DISCONNECTED. The connection to the remote computer was broken. This may have been caused by a network error. Please try connecting to the remote computer again. I have ensured that they are using a low screen resolution but to no avail. Can anyone help with this?

8 replies

by trent.mitchell

Have you specified the disconnect and session time limitis in the user profile ? Windows will disconnect slow or "dead" connections once the time limit is reached. Also you may want to test to see if it is an internet related problem. I have seen where the internet connection is reset from the isp every so often or a network switch/router in the internet zone will cause lost or slow packets causing connections such as that to fail. Setting up a vpn from a machine to the server through the internet and then running the RD may help diagnos the error. Is the VPN still active once the RD connection is lost ? or do both go down together ?

Hope this helps, Trent.

by james

I have set the user profiles to NEVER disconnect. Plus it happens when they are actively sending/receiving packets of data rather than being idle.
Initially clients were using a 56k internet connection but I have now upgraded them to ADSL and it hasn't fixed the problem. When the RD was disconnecting on the 56k connection the internet connection was remaining active and the VPN was still connected so that makes me think that it is server related. Thanks for the help so far - any more thoughts?

by jjjz

I am haveing the exact same problem and am as baffled as you are. The only thing I can offer is that I, too, am using a SonicWall. Coincidence?

by Member 32417600

Ditto here. I'm using a TZ170 with clients connecting through it via RDP sessions and they're also getting cut off sporadically. I've adjusted the time outs on the Access Rule for RDP from the default of 5 mins to 120 mins and no luck.

by alexander

I am having the exact same problem... My TZ-170 has been acting up since I switched from SDSL to ADSL.

by cnettleman

I am another one that is confused by this. I have done all the simple steps (timeouts, etc) and nothing. One day it may happen 5 times in the morning, the next 1. Any advice on this is more than appreciated.

by jjjz

I think it is the Screensaver! In my case it turned out it was not in the middle of working but after the user had left it for a minute. Using the local system profile to disable screen-savers worked after a reboot. Have not had any whineing in months. Good luck.

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