Problem with connecting to an offsite computer through VPN.

I have a computer set up at another location. It has a VPN router and a networked printer. I am trying to connect to this printer to print. I set up a VPN connection within windows and was able to connect to the computer and see the printer.
It seemed like everything was fine. I am now trying to connect to the VPN and it will not let me connect. I have made no changes since the last time I connect, and everything has been rebooted.
When I try to connect I get the following Error: 721 The remote computer did not respond.
I don't know why all of a sudden now I cannot connect when it seemed to be working fine before. I doubled checked all the settings and I just cannot see what the problem might be now.
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JoshSystems AdministratorAsked:
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inbarasanCommented:
Dear NICKERSON,
Check whether the server is on or it may be due to connectivity issue of remote server to Internet or dial up

Cheers!
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JoshSystems AdministratorAuthor Commented:
Everything is running like it's supposed to be. I'm not sure what would cause the VPN to not connect. I've been through all kinds of settings within the router and recreated the VPN connections in XP several times and I just cannot seem to connect anymore. I may be overlooking something but I'm not sure what.
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JoshSystems AdministratorAuthor Commented:
I really have not gotten any further with this issue.
I'm using a Linksys WRT54GL router. It's set to use DMZ currently, I have all the correct ports forwarded. The VPN passthrough's are enabled. I even disabled the firewall on the router and tried it. I disabled the firewall on the computer I'm trying to connect to. I just cannot figure out why this was working fine, then the other day I just could not connect again.
I've been through everything I can think of and I'm getting burned out on this.
I always get Error 721 after it says "Verifying username and password" and sits there for a while. If anyone has any other info it would be greatly appreciated. Thanks.
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