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One RDP Client can no longer connect to TS 2003 server.  Everyone else can...

Posted on 2008-11-01
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Last Modified: 2013-11-21
One cleint out of the 25 using the same TS server can no longer connect to the TS server.  It is a 2003 server which has been running for about 2 years.  This is the error he gets:
 "The remote computer disconnected the session because of an error in the licensing protocol.  Please try connecting to the remote computer again or contact your server administrator."

This seems to have happened since we had a boot sector error on two drives and had to reactivate them through disk manager.

Also there have been lots os other permission related issues, such as one volume loosing all NTFS rights and registery settings.

The lisening server is online and the CALS have not been exceeded.

Troubleshooting steps taken:
Solution:  Perform the following steps:

Verify that the license server is correctly installed.

Verify that the Terminal Server Licensing service is running on the license server.

Verify that the client, the terminal server, and the license server can communicate by ensuring that Domain Name System (DNS) is configured correctly on each computer. To do this, run the ping command from each computer to each computer using the IP address, FQDN, and the NetBIOS name. If any of the ping commands fail, verify the DNS configuration on the network.

On the terminal server, set a preferred licensing server to connect to. You can do this by using the registry, a Windows Management Instrumentation (WMI) script, or, in Windows Server 2003 with Service Pack 1, you can use Group Policy settings or Terminal Server Configuration.

See also:   Install Terminal Server Licensing; Set preferred Terminal Server license servers; Terminal Server license server roles

Solution:  If the previous solution does not resolve this problem, create a backup of the MSLicensing registry key and its subkeys on the client, and then remove the original key and subkeys by doing the following:

On the client, navigate to the following registry subkey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSLicensing.

Click MSLicensing.

On the Registry menu, click Export Registry File.

In the File name box, type mslicensingbackup, and then click Save.

If you need to restore this registry key in the future, double-click mslicensingbackup.reg.

On the Edit menu, click Delete, and then click Yes to confirm the deletion of the MSLicensing registry subkey.

Close Registry Editor, and then restart the computer.

When the client is restarted, the missing registry key is rebuilt.

Thx,
matt

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Question by:TX_SCUBA
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Expert Comment

by:tenaj-207
ID: 22860579
Have you tried to have that user connect from a different computer?

Have you tried removing that user from the remote desktop group then re-adding them?
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Author Comment

by:TX_SCUBA
ID: 22861967
User can connect on a different computer.
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Assisted Solution

by:tenaj-207
tenaj-207 earned 250 total points
ID: 22869066
If the user can connect from a different computer then we know the issue is with the PC not the server or user account.  

One great trouble shooting technique is to open msconfig (click on start then run and type in msconfig in the text box) go to the startup tab and uncheck everything (there's a disable all button to make this easy).  Then go the the services tab check the box to  "Hide all Microsoft services"and uncheck the rest of the non-Microsoft services.  Then reboot and check to see if remote desktop works from this computer.

If it does work then you know that there is a conflict with another program.  Start rechecking just the things you need in the msconfig utility until the problem comes back.  Then you'll know where your conflicting program is.

If this doesn't work then you may need to remove and readd this PC from the domain.

-tenaj
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Accepted Solution

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TX_SCUBA earned 0 total points
ID: 23965558
For whatever reason when the boot sector was reinstalled the TS liceing swithed back to Per Seat.  Microsoft had me switch back to Per User and now everything is fine.

~
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