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Sonicwall and Windows terminal services

By jkeav634 ·
Site A-Running Windows 2003 server sp1 terminal services behind a Sonicwall Pro 200 firewall and T1 connection.
Site B-Running Windows XP Sp2 behind a linksys router and using Sonicwall Global VPN Client and remote desktop and cable connection.

Users at site b are constantly losing their connection to the terminal server. We check the VPN connection and it appears to be connected but we are unable to re-connect to the terminal server. Have to disable and re-enable the vpn connection in order to connect back to the terminal server. This happens multiple times daily.
We have checked all time-out settings in the sonicwall configurations, disabled DeadPeerDetection,lowered client resolution, updated the workstations registry as per MS(xp sp2 caused problems with NAT),tried using the connection without the linksys,etc
Any ideas??

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by BFilmFan In reply to Sonicwall and Windows te ...

When the connection is lost, can you telnet to the terminal server on port 3389?

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by jkeav634 In reply to

Have not tried that. what would this tell me?

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by BFilmFan In reply to Sonicwall and Windows te ...

If the connection was up, the port was open and the terminal server is responding...

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by jdclyde In reply to Sonicwall and Windows te ...

Have you checked to make sure the firmware for both the Sonicwall and the Linksys are updated?

Is the VPN client updated?

Have you checked to make sure bandwidth is not being exceeded for either location?

Is there a firewall running on the XP stations? If so, make SURE to add the SiteA LAN to the trusted ranges.

There should be no need for NAT, if you are VPNing from clients to the Sonicwall. That SHOULD give them LAN access, and there isn't ANYTHING to NAT.

The Linksys should not be part of the problem provided the wordstations have FULL access to the internet. It is just a gateway.

How many concurrent VPN connections do you have going vs how many are you paying for?

Sonicwall, while a GREAT firewall, is known for it's many problems with VPN. I miss my sonicwall, but when it hit end-of-life, I couldn't justify a new one to the powers-that-be because of the VPN shortcomings.

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by jkeav634 In reply to

I have updated all the firmware, have the latest sonicwall client, no firewall running on the client ,have unlimited VPN connections and still no luck

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by jkeav634 In reply to

I have updated all the firmware, have the latest sonicwall client, no firewall running on the client ,have unlimited VPN connections and still no luck

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by CG IT In reply to Sonicwall and Windows te ...

I would check the Sonicwall because the Sonicwall is what establishes and maintains the tunnel while users pass data in the tunnel while on the network. Truthfull, Call Sonicwall. They have a top notch tech department and if your SOHO they usually bend over backwards to help.

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by CG IT In reply to Sonicwall and Windows te ...

another stab at this.

What security do you have in place for the terminal server e.g. the notssid.inf template. What security do you require for the users? e.g. do you have high encryption level for teminal server in conjuction with the notssid.inf security template.

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by jkeav634 In reply to

encryption is client compatible

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Did you resolve this issue?

by barakoli In reply to

We are experiencing this issue with a site 2 site setup between a Sonicwall Standard and Enhanced OS. Thanks. Barak

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