VPN connection problem

I'm trying to connect to my clients VPN Server from my laptop at the office. I can connect to my client's VPN server everywhere else but my office. We are using a ISA Firewall and it seems that it is blocking my connection out to my client. I real don't have any experience with ISA firewalls. But think I could figure out and suggestions to help me. Client is Win XP Pro. I'm using the IP address to connect to the VPN server not a host name.
DjrobluvAsked:
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infotraderConnect With a Mentor Commented:
If you are able to connect to the VPN server everywhere else, then yes, it is your ISA firewall.

You need to make a rule that permits TCP port 1723 (and UDP 500 if you are using IP/Sec) to be open, at least to the computer that you are trying to establish the VPN connection for.

Here's a link that would help you in a much more detail fashion:

http://www.tacteam.net/isaserverorg/vpnkitbeta2/outboundnat-t.htm

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DjrobluvAuthor Commented:
I did absolutely nothing.. And I just clicked on the VPN connection for my client and it connected me. Everything in that article is setup on our ISA firewall. This is weird..
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DjrobluvAuthor Commented:
I disconnected from the VPN connection and tried to connect again and nothing, can't connect...
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