Terminal Services 2008 Locking up Over internet but not over LAN

I have a Server 2008 not R2, setup on my site, i changed the listening port to 60000, I have terminal services setup with a liscense server and everything actived. The Firewall is a Juniper NS-5GT. I have port 60000 opened aiming at my local ip.

Here is my issue.

If i remote into this server on the LAN it works flawlesly, however if i login through the internet or by using my public IP it will login to windows and the start freezing and loosing connection.

Does anyone have any ideas for this? I am trying to get this workign so that i can upgrade our current term server which is Server 2003, I would like to use the remote app feature in Server2008.

Current Term Server is port 3389
New one is 60000
desiredforsomeAsked:
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Darius GhassemCommented:
If you have no problem through the LAN then there is no problem with the server. The technology is the same even if you are RDP externally or internally they both use RDP protocol. Now the differences are this your firewall, network cabling, and network hardware. Also, you are using a different port.

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Darius GhassemCommented:
What is freezing? The whole server or just the 1 RDP session? Try changing the port number to 3390 instead of 60000.
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desiredforsomeAuthor Commented:
The session freezes. But it doesnt really because if i remote in from the itnernet and it freezes then i remote in on the LAN into the same session i can use it.
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Cláudio RodriguesFounder and CEOCommented:
MTU size probably. Try changing the MTU size on the TS. But before doing it I would also suggest some changes as explained here:
http://terminal.servebeer.com/php/flaky_connections.php

The MTU change is described here:
http://www.msterminalservices.org/articles/Poor-Bandwidth-Latency.html

Cláudio Rodrigues
Citrix CTP
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desiredforsomeAuthor Commented:
And changing the port did not work. We are on a T-1,

ya know it works ifn eiwth server 2003 but not on serve r2008, What changed in terminal services between the two versions? Becuase i can remote into my TS 2003 no problem and it doesn tlockup, but my server 2008 terminal server locks when i go into it from the internet.
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desiredforsomeAuthor Commented:
nope MTU was not the issue. Locked still
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desiredforsomeAuthor Commented:
And now that i have changed the settings i belive i see whats hapening, The connection is dropping over and over, and reoccnnecting, But it has to be somethign with server 2008 beucase it works perfect with server 2003

I log in it locks then i see the connection window and it re-connectes that locks and does it all over again
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Darius GhassemCommented:
What server are you running? Dell or HP? Make sure you update to the lastest network drivers.
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desiredforsomeAuthor Commented:
I have the latest intell v1000 drivers from windows

also, Why woudl that affect the public access and not the lan access?
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desiredforsomeAuthor Commented:
Its a RackableSystem Tyan motherboard Dual Xeon 2.66 with 4gb
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desiredforsomeAuthor Commented:
Well i have a post on a Juniper Forum also to see what is wrong. I figured it was my firewall, Its something that goes to the internet. And that woudl be my Juniper Netscreen NS5GT. Any ideas?
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Darius GhassemCommented:
I believe I answered the question. http:#a26065963
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Darius GhassemCommented:
I believe I answered the question. http:#a26065963
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Darius GhassemCommented:
I'm objecting that the question was answered in this zone. We have determined this is not a problem with Window 2008 Terminal server which I stated above.
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