Win 8 Can't Connect to Terminal Server

Posted on 2014-02-08
Last Modified: 2014-03-13
Have a terminal server, been in production 3 years
Running W2K8 R2 SP1
Have Win 7 Pro users, can connect via RDP and via Browser using gateway.

Have new Win 8 user, cannot connect, says server is not there or is unavailable.

Have had the user try both by IP and by url - NO JOY
Have had the user try to use a browser navigate to the gateway, he gets there, but after that, same message.

I thought there was a hotfix for this, but now I am not so sure.

Any thoughts are welcome.
Question by:tech911
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LVL 15

Assisted Solution

ZabagaR earned 334 total points
ID: 39844362
Can you go to a command prompt on the win8 pc and telnet to port 3389 on the term server?
You'd type:  telnet <server-ip-here> 3389

If connectivity is OK, the screen should clear and you'll have a blinking cursor.
You need to add telnet client in win8 beause it's not there by default.
Do this to add:

What are your telnet results?

How about making sure you have Windows 8.1 (most recent version)

Author Comment

ID: 39844366
User that is having this issue is on a mountain skiing... apparently this wasn't as important as he made it sound.

I will try the telnet test.

Honestly, I think the connection request is getting to the server, but then because its the newer version of RDP, when the server responds using the older (not 8.0) version of RDP it gives the "No Connection" error.

Can I update the RDP connection at the server.  Do I want to?  Will it blow all my Win7 users out?

Finally we also use a two factor authentication system, but it does not figure into the equation until after you are presented with the TServer login screen.  I don't want to break that either.

As a precaution, since this is a VM, I shut it down and made a complete image of it in case we totally blow it up.

Will advise when he gets back to me.
LVL 88

Assisted Solution

rindi earned 166 total points
ID: 39844379
Check the firewall on the w8 box. It could be blocking RDP.
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LVL 15

Accepted Solution

ZabagaR earned 334 total points
ID: 39844396
No, there's no RDP update for the server, W2K8 R2 SP1. I was asking if you could update the client to Windows 8.1 - or at least make sure all recent Win8 updates have been ran.

Author Comment

ID: 39844489
ZabagaR - I understood what you were asking, very clear.

When I was researching this issue, I copied a link to my desktop that said it was a hotfix for Windows 8 not being able to access a terminal server,  and would fix this issue, but now I can't locate it, so I'm wondering if I really did see it or if I was working on something else?

Anyhow, I will advise, once he gets back to me.

If you find my missing hotfix, advise,

Thanks for the help
LVL 88

Expert Comment

ID: 39844509
Have you already tried disabling the firewall? Such issues are usually caused by firewalls...
LVL 15

Expert Comment

ID: 39847307
I haven't seen a hotfix but the only other time I ran into this problem, it was fixed when the end user ran windows update to take their workstation from windows 8 to windows 8.1
LVL 54

Expert Comment

ID: 39850677
I would also do the telnet test, first.
I can also add that there is no problem connecting 8/8.1 to 2008 R2 RDP - no patch or whatever needed.

Author Comment

ID: 39886306
OK - I will be working with the user to see if I can test this out.


Author Comment

ID: 39928006

User did not put in Domain\username, instead they were putting Domain/Username, which will not work.

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