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Security error when connecting to Terminal Services

Posted on 2004-04-22
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Last Modified: 2010-03-18
We are running SBS 2003 with Terminal Services.  On a few of the clients we get a message something like "A security error has occured, unable to connect to client services."  If you click ok it goes away, click connect again and you go right in if your local, you don't get in at all if your remote.  We had a problem occur when the temporary licensing ran out as we thought we had it configured properly to pull licensing from another server.  The licenses are all in place, latest service pack is loaded but this problem still exist (the service pack cleared up the other one we were having.)  Any suggestions would be appreciated.
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Question by:tcforce
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Expert Comment

by:Gareth Gudger
ID: 10891996
When you mean remote you mean from outside your network?

Do you have all the right ports (3389) set up on the router to redirect to the internal IP of the terminal server (the new one - you said something about moving licenses so I assume the redirection could be going to the wrong server perhaps)
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Author Comment

by:tcforce
ID: 10892071
The port appears to be setup right as some users outside the network can get in and others can't.  They don't get an unable to connect message just a security error.  The other Terminal Server in the building is in house only.
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Author Comment

by:tcforce
ID: 10892081
Also, inhouse people get the message just if they click again it connects.
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Gareth Gudger earned 500 total points
ID: 10892177
Have you checked to see if you are using all your licenses when users get these errors?
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Author Comment

by:tcforce
ID: 10892215
Yeah, only part of the licenses are in use - there are at least 8 free.
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