Unable to RDP to Main Server Internally Only

Posted on 2011-10-12
Medium Priority
Last Modified: 2013-12-02
I am going crazy here.
I am unable to mstsc to the private IP of main server when I am locally on the lan.
If I mstsc to public IP address, I can log on to the server

I can mstsc to any computer on the LAN but the Server, I can mstsc from Server back to my laptop

Any questions please ask, I have never dealt with this, remote assistanct/rdp is turned on.
Thanks to anyone who responds.
Question by:suttons27
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LVL 23

Accepted Solution

TheCleaner earned 2000 total points
ID: 36956961
is port 3389 listening on the internal lan IP?

use netstat -a -n on the server to determine this.  The output should say it is listening on that port on the LAN IP.  If not, check the Windows Advanced Firewall settings and make sure it isn't blocked.

Author Comment

ID: 36958248
says Established, but does not say Listening

Author Comment

ID: 36958307
Thank You "The Cleaner", I will award you the points, but don't want to close the answer just yet, hoping you could possible respond to one more question.

I just went and opened port 3389 on advanced firewall, tested...works fine.

My alt question, what would have caused that? An update? Just akward that it just stopped all of a sudden, the new system has been up and running for several months.

Thanks, once again.
LVL 23

Expert Comment

ID: 36958487
Not that I'm aware of (update wise).  I've got servers running R2 that have been patched completely and don't have this issue.  Possibly 3rd party software could interfere, such as Symantec or other A/V products, but they typically don't change the Windows Firewall rules themselves.

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