Remote Desktop Connection Failure

20 pts.
Tags:
Network
Remote desktop
I have been trying to setup a Remote Connection from an auto shop to his home. He has a comcast modem/router and I checked the router and it's configured to allow port 3389 to the windows xp pro host computer. He also have an Internet camera system that I have configured and that works fine, so I can get through the comcast router. I have setup IIS world wide web service and remote desktop web connection to allow users to connect remotely to this computer, I have tried everything I can think of but still can't get to the XP host. Any help would be greatly appreciated. Thanks, Bob Clarke
ASKED: April 10, 2008  6:46 PM
UPDATED: April 14, 2008  2:18 PM

Answer Wiki

Thanks. We'll let you know when a new response is added.

Troubleshooting remote desktop connection:

Ok lets first check that the windows firewall is either off or configured to allow RDC through. We will test if this is the problem by disabling it and then trying to connect.

Disable Windows Firewall in Windows XP SP2
Note A firewall is designed to help protect your computer from attack by malicious users or by malicious software. Malicious software includes viruses that use unsolicited incoming network traffic to attack your computer. Before you disable your firewall, you must disconnect your computer from all networks, including the Internet. To do this, follow these steps:
1. Click Start, click Run, type Firewall.cpl, and then click OK.
2. On the General tab, click Off (not recommended), and then click OK.

If that does not help lets make sure it is configured properly:

To connect using Remote Desktop, you must have a user account with a password. If you don’t yet have a password on your account, create a password by opening Control Panel, and clicking User Accounts. Click your account, click Create a password, and follow the prompts. After you have a password, follow these steps to enable Remote Desktop:

1.Right-click My Computer, and click Properties.

2.On the Remote tab, click the Allow users to connect remotely to this computer check box

3.Click Select Remote Users, and then click Add.

4.In the Select Users dialog box, type the name of the user and then click OK. Click OK again to return to the System Properties dialog box, and then click OK to close it.

Try again…

If that does not work make sure you forwarded the 3389 traffic to the correct local ip in your router AND allowed traffic to it via a firewall rule.

One of those should fix you up!

……………………………………………………………………………………………………………………………………………………………………..

Thanks Karl,

The windows firewall was turned off but I forgot to check on Norton Internet program. Once I reconfigured that, everything works fine.

Thanks Again,
Bob Clarke

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  • Labnuke99
    Can you provide more details like a diagram of where the source & destination hosts are located? Are both ends Windows XP? It sounds like there could be an issue with network address translation (NAT) or the firewall at the destination. You say port 3389 is open on the firewall, but is there a public IP mapped to the destination box? Does the Windows desktop have a firewall that could be preventing inbound connections?
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