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Remote Desktop Unable to Connect

Posted on 2012-04-04
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Last Modified: 2012-04-04
Hello,

I have a computer running Windows 7 x64.  It is a member of a domain using Active Directory.  When trying to access it using Remote Desktop I am getting the generic:

"Remote Desktop can't connect to the remote computer for one of the reasons:

1)Remote access to the server is not enabled
2)The remote computer is turned off
3)The remote computer is not available on the network
..."

I have "Allowed connections from computer running any version of remote desktop"
I have completely disabled windows firewall as the computer is behind a sonicwall firewall.  I have also made sure the remote desktop services are all running.  I also disabled the antivirus, although I don't think this is an issue because the other computers I remote into are all running the same antivirus.

I am trying to connect from another computer on the same network so it should not be going through the sonicwall. I have made sure I have the correct name of the computer and even tried using the ip address.  I can see the computer on the network.

There are several other computers on the network I remote into and it works fine.  And I have tried to remote into it using several different computers, including the server.  

FYI: I don't think it matters, but the server is running Windows Server 2008 R2.

Thank You
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Question by:Kurt_BroszEngineering
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15 Comments
 
LVL 21

Expert Comment

by:motnahp00
ID: 37808906
Check your user rights assignments and listening port.
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Author Comment

by:Kurt_BroszEngineering
ID: 37808927
Under the user rights assignments Remote Desktop users are allowed, and there is no one under the Deny log through remote desktop services.  

I attached a photo of the listening ports.
Listening-Ports.PNG
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LVL 16

Expert Comment

by:l33tf0b
ID: 37808943
on that machine - can you verify if it has the latest windows updates / service packs?
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Author Comment

by:Kurt_BroszEngineering
ID: 37808958
I just checked for updates.  There are only three optional updates needed for our printer.  Service Pack 1 is installed.
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LVL 16

Expert Comment

by:l33tf0b
ID: 37808982
Did you say you could remote into it from other computers?

HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\
fDenyTSConnection

is that set to 0?
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Author Comment

by:Kurt_BroszEngineering
ID: 37808991
No, I cannot remote into it from any computer on the network.  I can remote into other computers on the network.
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Author Comment

by:Kurt_BroszEngineering
ID: 37809003
Also, I do not have the registry directory:

HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\
fDenyTSConnection

I do not have the: fDenyTSConnection folder
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LVL 33

Expert Comment

by:digitap
ID: 37809117
Is it running any antivirus software that might be blocking RDP connectivity using its own firewall component?
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LVL 33

Expert Comment

by:digitap
ID: 37809119
And, when you say same network, the two hosts are on the same subnet?
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Author Comment

by:Kurt_BroszEngineering
ID: 37809127
No on the antivirus, I have it completely disabled.  And yes, they are on the same subnet.
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LVL 33

Expert Comment

by:digitap
ID: 37809140
That's bizarre. With the firewall allowance of RDC, re-enable the firewall. By the way, how did you disable the firewall? I think that Windows 7 might ignore requests if the firewall service is stopped.
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LVL 33

Expert Comment

by:digitap
ID: 37809150
Also, if enabled, you should be able to run a netstat -a from the command line and see that your device is listening on port 3389.
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Author Comment

by:Kurt_BroszEngineering
ID: 37809201
I think I found the problem.  The computer does not seem to be listening on port 3389.  So how do I add that?
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LVL 3

Accepted Solution

by:
gnemi earned 500 total points
ID: 37809321
Restart the RDP service.

Also, check in HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TerminalServer\WinStations\RDP-Tcp\PortNumber for the assigned port number.
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Expert Comment

by:digitap
ID: 37809421
Glad to help.
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