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Where is the Terminal Server CAL?

Posted on 2016-07-21
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Last Modified: 2016-07-27
We have a Windows 2008 Terminal server, which defines itself as the license server. But the local license server service is not activated. In the same AD domain, there are several other TS license servers with hundreds of licenses installed.
It is found that 20+ users can connect to the terminal server concurrently. I do not think all of them has the TS device CAL on their PCs. Then how can the Terminal server allow so many connections?
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Question by:MatthewLiu
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Expert Comment

by:Benjamin Voglar
ID: 41723549
If this is new instalation then the terminal server is in Terminal Server Licensing grace period.

The grace period begins the first time the terminal server accepts a client connection. It ends after you deploy a license server and that license server issues its first permanent client access license (CAL), or after 120 days, whichever comes first.

This means, you can have unlimited connections for 120 Days
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MatthewLiu earned 0 total points
ID: 41724641
I got the response from Microsoft guy as below. So looks like we are in 3rd situation

 Windows 2008 Terminal Service license working model :
  1, If the current connect user below 2, it is basically supported by Windows 2008 Server
  2, If the connect user over 2, the Terminal Server will connect local Terminal license server to obtain valid license ( TS CAL )
  3, If the local terminal license server can’t connect or without valid license, the Terminal Server will ask Domain Controller ( in Domain mode ) for available terminal license server, then terminal server will connect the terminal license server to obtain valid license.
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Author Closing Comment

by:MatthewLiu
ID: 41730941
got answer from expert
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