Remote Desktop Protocol (Rdp) Port Forwarding

August 1, 2012 § Leave a comment

One thing that I love about all news windows products is the remote desktop features. I previously used Pcanywhere but I find that remote desktop is now almost as good, would like to see a file replacement like Pcanywhere has, but remote desktop is free so that is a plus for it.

One of the tasks that I face with my network setup is forwarding ports through my router. There are two issues that I came over when dealing with the Rdp forwarding. The first was what is the port estimate of Rdp. With a quick quest on Google I found that the appropriate Rdp port is 3389.

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Now that you have the port estimate you can simply go into your router and transmit that port through and after enabling your remote desktop highlight it will work from face your network as long as you either know your Ip address or have a dynamic dns service like I use. To enable remote desktop in Windows Xp and Windows 2003 go to the start menu, find the my computer icon and right click on it. go for the properties choice in the drop down list and then click on the remote tag in the window that appears. There you will see the two check boxes, check the second box, and then click on the remote user button. Make sure that the users you want to have passage are in the list and then click Ok until you have exitted all of the windows. Rdp is now enabled on your machine.

Remote Desktop Protocol (Rdp) Port Forwarding

So this easy setup would have worked for my network but the issue then became I have several servers that I want passage to along with my desktop. Now I could just remote to my desktop and then remote to the other machines from there since they are all on the local network. This would create a lot of data that needed to be transferred though, with miniature upstream speeds on your broadband association you don’t want this, and will cause performance issues with Rdp. So I had two options, I could change the registry entry like was stated in the article. I will paste that fix here just in case that page has an issue at some point:


Warning: If you use Registry Editor incorrectly, you may cause serious problems that may need you to reinstall your operating system. Microsoft cannot certify that you can solve problems that succeed from using Registry Editor incorrectly. Use Registry Editor at your own risk.

You can use the Remote Desktop highlight in Windows Xp expert to connect to your computer from another, remote computer. Warning: The Remote aid highlight in Windows Xp may not work properly if you change the listening port. To change the port that Remote Desktop listens on:

Start Registry Editor (Regedt32.exe).

Locate the following key in the registry:


On the Edit menu, click Modify, click Decimal, type the new port number, and then click Ok.

Quit Registry Editor.

Note: When you try to connect to this computer by using the Remote Desktop connection, you must type the new port.

Keywords: kbhowto kbnetwork Kb306759

Technology: kbrdcMac100 kbrdcsearch kbrdcWin100 kbWinXppro kbWinXppro64bit kbWinXpproSearch kbWinXpsearch kbZnotKeyword


The other choice I had was to go into my router and specify another external port estimate and then point that port to the 3398 on the Ip address of the engine I wanted to go to. I chose this second choice as it was less time enthralling and did the trick for me. One enthralling thing about the ability to change the port estimate of Rdp is security. If you leave the appropriate port estimate then anyone will know to check that port to see if you have Remote Desktop enabled and potentially compromise your network. Let me know if there are any issues with the registry fix though and if there are I will just take off it from this article.

Remote Desktop Protocol (Rdp) Port Forwarding


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