My Remote Desktop Connection Fails Before It Is Started

By gokmev ·
Hi there.

I had this problem in title above. My host PC has connection to the internet through an ADSL Modem which also distributes connection to 5 other PC s with windows XP Pro. I have noted the external ip number of my Host PC and tried to Remote Desktop from another location with this IP. I have checked the port forwarding option from modem settings though couldn't find anything. Anyways I think it hasn't got anything to do with port forwarding, because i even cannot get answer to "ping the external IP" of the host computer. When i try to ping from Host computer to external ip, it works. How does it possible that my external ip is not reachable from the internet and how can i find a solution for Remote Desktop in this case?

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Try this

by animatech In reply to My Remote Desktop Connect ...

IP forwarding means that you can direct specific traffic to designeted IP address.
As for you not able to ping the PC can you ping the other stations?
You probably will find that you cannot ping them as well because of your firewall ( I am assuming that you probably have one on enable on you PC or router\modem).
You will need to enable your firewall settings so that outside location can ping your PC (if you need too).
Also check that you enabled remote desktop connection on the client PC.

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by gokmev In reply to Try this

Hi animatech, thanks for the info.
I cannot ping any computer at my office network from house. Office network is connecting to the internet throuh an adsl modem which has a local ip address. Neither Modem nor office PC s have firewall enabled. In modem settings i have found a public ip address which I guess i would use it for remote connection. But i even cannot ping to that public ip from my house. Remote desktop works without problem between office network PCs with using local ip numbers.

Today i found out that there is an option in modem settings like "assign public address to a local PC". I haven't tried this option yet. But i still cannot understand why i cannot ping to my office computers' public IP address? Is it possible that there is a firewall in the ISP's device which my modem connects to?

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