Remote desktop connection fails to connect

Self build / N/A
July 7, 2013 at 14:00:44
Specs: Vista Ultimate, SP2, 3.0Ghz/2Ghz
I attempted to connect to my friends computer over the internet but received a message that "the remote computer can not be contacted...". My friend is a customer of ATT dail up services and I am a customer of Verizon DSL. Shouldn't you be able to do this over the Internet? Instructions for Remote Desktop Connection say you can! I was able to ping my friends IP address just fine. I'm working behind a router; I don't think I need to enter a rule on the router since I'm trying to connect outside my network, right? I also did a tracert on the IP and got the fully qualified IP address. That didn't work either. Is there something I'm overlooking? The two computers involved are running XP Pro SP3. My friend has the free version of ZoneAlarm firewall. I'm assuming when I attempt to connect, my friend will get an alert from the firewall, which he can then allow. I don't believe the free version allows you to enter ports, just names of programs. Anyway, he got no such alert so RDP is not even finding
his computer!

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July 7, 2013 at 15:06:26
You have to setup Port Forwarding on your friend's router so that his router forwards requests through the Remote Desktop port to his internal (LAN) IP address. You should be able to find the option in the router's firmware. The port is TCP 3389. Look at this article for help:

You've been helped by a 15 year old.

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July 7, 2013 at 17:23:36
It's gonna be sloooooowwwww. I've recommended this to you before, try it:

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July 8, 2013 at 00:36:40
+1 riider.

Save yourself time and trouble and just use a 3rd-party application like TeamViewer. The networking and remote connection functions in Windows XP are flawed and are what I dislike most about that series.

Apologies if I don't respond to your reply immediately. I don't check this site daily, but you're welcome to PM me as a reminder.

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July 8, 2013 at 07:03:44
Thanks for all your responses! My friend does not have a router so that wouldn't be a concern. I was trying to remote in only to send an assist invitation since he wasn't sure how to do that. Anyway, I'm going to talk him through how to do an invitation and we should be OK. I tested sending an invitation within my own home network and it worked fine.

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