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Remote Desktop Services Certificate Mismatch

Posted on 2015-01-05
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Last Modified: 2015-01-11
I am setting up a remote desktop services farm, and I'm getting a certificate mismatch when connecting to the session host. The notification says that the requested computer has a local domain, but the certificate on the remote computer is a .com domain. Does anyone know what I'm missing to make this work? It would seem that I have to change the FQDN of each TS to remote.company.com, but I don't know how to do that. Any help is greatly appreciated.
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Question by:Brad212
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Author Comment

by:Brad212
ID: 40531888
Screenshot of the certificate mismatch notification
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Author Comment

by:Brad212
ID: 40531890
These are the details of my deployment: My farm has 4 servers all running Windows Server 2012 R2. One server, let's call it TS-Services, holds 3 roles - RD Web Access, RD Gateway, and RD Connection Broker. The other 3 servers are session hosts. Let's call them TS1, TS2, and TS3. All 4 servers use the same wildcard certificate - *.company.com, and my RD Gateway external FQDN is set to remote.company.com. I believe I had to change the published RDS name of the Connection Broker (TS-Services) from the local FQDN to remote.company.com. However, I can't seem do that on the TSs because they are not connection brokers. My clients are connecting from Windows 7 PCs.
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Author Comment

by:Brad212
ID: 40531931
This is the notification that appears when trying to connect externally over the internet.
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Assisted Solution

by:David Paris Vicente
David Paris Vicente earned 100 total points
ID: 40531941
Hi,

You can find here in EE an answer to a similar problem.

If you continue to struggle with the problem let us know.


Hope it helps.

D.
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Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

 

Author Comment

by:Brad212
ID: 40532399
Update: My second screenshot is unrelated. I had neglected to setup a computer group in Remote Desktop Gateway Manager. Once that was I done, I was able to connect to the session hosts.
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Expert Comment

by:David Paris Vicente
ID: 40533034
Ok.

But the certification problem persists?
Did you check the EE link?
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Accepted Solution

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Brad212 earned 0 total points
ID: 40533817
Thanks for you comment. While the post you referenced is similar, I found a different solution. The other post recommends a SAN certificate, but because I had already purchased a wildcard cert - as most of the documentation I found online suggested, I was reluctant to change the cert. After some digging I found that RDP 8.0 (included with Windows 8) somehow works around the problem and doesn't present the certificate mismatch notification. My solution will be to update my Windows 7 clients to RDP 8.1 which is the latest version. Hopefully this will help someone else save some time and effort.
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Expert Comment

by:David Paris Vicente
ID: 40533900
Great, keep the good work.

Regards
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Author Closing Comment

by:Brad212
ID: 40542922
I believe that using RDP 8.0 in conjunction with a Windows Server 2012 R2 RDS farm configured with 3rd party and self-signed certificates is the more modern approach than using SAN certificates. Some SSL cert providers have discontinued SAN certs.
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Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

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