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Windows 7: Remote Desktop from Outside the Network


18 Mar 2012   #1
Serenity31

Windows 7 Pro x64
 
 
Remote Desktop from Outside the Network

I have been trying to figure this one out for hours and hours now. I have 5 computer all running windows 7 professional x64.

I have followed EVERY instructions for the proper setup of Remote Desktop, I have my configured router to forward port 3389, I have also completely configured windows firewall to allow access to remote desktop.

While I am at home I don't have any issues connecting to any one of the 5 system. using Full System Name in the first field and the computer's username in the second field

Earlier today I went to my mother's house with the IP address my router was assigned by my ISP, (not the 192.168 numbers btw) Using another Windows 7 Pro x64 system I ran Remote Desktop Connection.

1.) I entered the IP in the first field and the user name of the computer I wanted to access in the second field

and got this message: Remote Desktop can't connect to the remote computer for one of these 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

Make sure the remote computer is turned on and connected to the network, and that remote access is enabled.

2 .) I entered the IP in the first field and Computer Full Name\Username
got the same message.

I have verified I still have the same IP address I can't figure out why I can't connect when outside the network if I am SURE I have the correct IP.

Can anyone advise me to what mistakes I am making?


My System SpecsSystem Spec
18 Mar 2012   #2
edwar

7 x64
 
 

Then your router is not configured correctly. When forwarding ports you have to forward it/them to a specific IP address on you LAN. So if you want to reach a computer on your LAN that has an IP of 192.168.1.100 then in the forwarding section you have to forward port 3389 to IP address 192.168.1.100.

You can only connect to one PC at a time unless you change the RDC listening port on the other computers to something other then 3389 and be different for each PC. You could then setup port forwarding for all PCs on your LAN and connect to them by specifying (IP Address) XXX.XXX.XXX.XXX:3395 or :3399 or whatever.
My System SpecsSystem Spec
18 Mar 2012   #3
logicearth

Windows 8.1 Pro (x64)
 
 

You should really setup a VPN...instead of port forwarding...
That way, your remote computer is part of the network even when miles away.
My System SpecsSystem Spec
18 Mar 2012   #4
Serenity31

Windows 7 Pro x64
 
 

Update:

I have signed up for DDNS for which my router includes that option. I have all the settings configured in the router so that is up and running.
I have five computers, that I am going to call A,B,C,D,and E, in my home network. Within my home network, any one of my computers is able to remote desktop any other one within my home network. All systems are running the same operating system, the same version of remote desktop, and all have been configured exactly the same, i.e. firewall. Within my home network, all computers are listening on the exact same port 3389.

My primary issue is, I want to be a able to access computers A, B, C, D, and E from another location outside of the network and was unable to connect before setting up the DDNS service. From the other location, I am able to connect to computer A. But I am not able to connect to any of the other ones. I t gives me a message that the log in credentials' were not accepted.

So the next step was to go into the registry and change each systems listening port, i.e. 3389, 3390, 3391 etc. with much of the same result, I can connect to one computer but it will not let me past the password on any of the others. I've checked the windows firewall in each and it looks like they are all still listening on 3389 even after changing them in the Registry.

Any help would be GREATLY appreciated!
My System SpecsSystem Spec
18 Mar 2012   #5
edwar

7 x64
 
 

Have you Re-Booted those other computers?

IMHO the Windows firewall is not needed as you have a router that will not pass anything that is not requested by one of your computers.
My System SpecsSystem Spec
18 Mar 2012   #6
Serenity31

Windows 7 Pro x64
 
 

Yes Sir,

All systems have been rebooted . I have clicked Remote Desktop, entered xxx.dyndns.org:3390 in the computer name field, I've entered the Username for that system and this is what I get this

this is with port 3390




When attempting to use just xxx.dyndns.org using Computer-Name\User Name I get


My System SpecsSystem Spec
Reply

 Remote Desktop from Outside the Network




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