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Terminal Services 2008 on Sonic Wall NSA 240

Posted on 2009-04-13
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Last Modified: 2013-11-21
I have a new Sonic Wall NSA 240 and I cannot et it to connect to my Terminal Server 2008. Nat is set up as well as the firewall access rule and I know that they work as I tested with my Terminal Server 2003 and I was able to connect. When I change to the TS 2008 server IP I can't connect and I get the message this server is busy or might not be accepting connections, blah blah blah.

I then switch back to my old Dlink router firewall and TS 2008 works fine. I did have a problem with the DLink at first as I had to setup a virtual server within the firewall for the TS 2008 server pointing to port 3389
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Question by:tlu2929
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by:dpk_wal
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Just to make sure you have the default gateway on 2008 server as the internal IP of sonicwall; also are you forwarding incoming traffic on the same IP address as external IP or different IP.
Finally if you enable logging on the service you have created and then try to access TS from outside what logs do you get, if fine please post few sanitized logs.

Please update.

Thank you.
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tlu2929 earned 0 total points
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Everything is working fine now, contacted Sonic Wall tech Support and the problem was with NAT. Once NAT rule corrected connections worked fine. Althoug for some reason it took longer for the rule to take effect with Server 2008 versus 2003, with Server 2003 changes are propogated instantly but for some reason with 2008 enterprise 64 bit the changes take about 2 hours to take effect even after rebooting the firewall. Sonic Wall states that changes to rules should be active in realtime.
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by:dpk_wal
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Good to know that the problem is resolved! :)
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