Solved

Changed RDP port wont work win2008 - hyperv environment

Posted on 2011-09-04
3
485 Views
Last Modified: 2012-05-12
I have 4 Virtual servers running on a Hyper-v host.  All servers are win2008 ent edition x64.  There is a router and firewall at the front of the network and all server run static 192.168.n.n addresses. One server runs AD, DNS, DHCP.

On all servers i have static IP address and have changed each listening RDP port to 3385 (hyper-v host), 3386,3387,3388, (3389 / default port is reserved for the teminal services server).

The firewall is configured to port forward to the approriate port / Ip address and all works well except for the last server port 3388.  I cannot get that particular server to work on any port excpet the DEFAULT port 3389.

I have checked things like dual IPs wrong port forwarding.  I cant see anything that would prevent it from listening on the assigned 3388 port.  I have tesed the port from inside the firewall to eliminate the firewall as the issue.  As mentioned above it works on the default port 3389 ok.

Any help trying to figure out what could be stopping it from listening on my assigned port would be apprecaited.
0
Comment
Question by:martinmcginley
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
3 Comments
 
LVL 15

Accepted Solution

by:
Perarduaadastra earned 500 total points
ID: 36480466
Hi

Try using port 3384 instead - if you still have the same problem  then it's likely to be a configuration or firewall issue rather than a peculiarity of the chosen port number.

Speaking of firewalls, have you checked whether the firewall on the affected VM is blocking the traffic? It's turned on by default, and the fact that 3389 works OK on that one but nothing else does would have me looking very carefully at its configuration before looking elsewhere, When you are configuring a number of similar and/or nearly identical computers it's very easy to think that you've done everything right on each of them and then discover that you've missed something out that you did on the others.

The fact that it's the last one in the sequence of non-standard RDP port numbers makes this more likely. Also, the fact that port 3389 still works on this VM indicates that it's not yet been told to listen on port 3388...
0
 

Author Closing Comment

by:martinmcginley
ID: 36481148
You were right. I had not turned off/modified the domain firewall block list on the server in question.  After I changed it all is fine. Thanks
0
 
LVL 15

Expert Comment

by:Perarduaadastra
ID: 36481359
Glad to help.
0

Featured Post

Resolve Critical IT Incidents Fast

If your data, services or processes become compromised, your organization can suffer damage in just minutes and how fast you communicate during a major IT incident is everything. Learn how to immediately identify incidents & best practices to resolve them quickly and effectively.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
online backup for win98se 30 66
windows 2012 r2 standard  licensing re hyper-v 4 63
RDP Trouble shooting 12 119
disable Win7 network security 2 185
Preface Having the need * to contact many different companies with different infrastructures * do remote maintenance in their network required us to implement a more flexible routing solution. As RAS, PPTP, L2TP and VPN Client connections are no…
This article covers how to install the Microsoft Windows Operating System (OS). What is covered in this article:  > Different Versions and Editions of the Windows OS  > Upgrading versus Fresh Installation of the OS           - Steps to take pr…
Windows 8 came with a dramatically different user interface known as Metro. Notably missing from that interface was a Start button and Start Menu. Microsoft responded to negative user feedback of the Metro interface, bringing back the Start button a…
With the advent of Windows 10, Microsoft is pushing a Get Windows 10 icon into the notification area (system tray) of qualifying computers. There are many reasons for wanting to remove this icon. This two-part Experts Exchange video Micro Tutorial s…

751 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question