Hi folks,

When two people (on their notebooks) try to VPN to our office, only the first user gets a connection. the second user always times out.

Is it possible for VPN to allow two or more people, using / sharing the same EXTERNAL PUBLIC IP to connect/authenticate?

Now for some specifics (cause those two statements are very broad).

1. I'm not in the IT Dept. I'm a developer. Our IT Dept don't really care (sigh) so it's up to me to fix this crap.
2. Our office is all Microsoft shop stuff -> servers and clients. We also have a firewall (watchguard brand?) and some other crazy setups (yes i know, it's very vague :( ).

So i'm wondering -> is it possible for multiple users, from the same public IP, to connect via VPN to a windows server? i'm under the impression -> yes.

But it is possible that this only happens when the clients (who are all behind the single, public IP .. otherwise they will have their OWN ip's) need to have UPnP running or something?

this is killing me and i need to start asking the right questions cause these guys don't know what they are doing and i can't work without this happening.

I know this is a vauge question with so many 'if-what's-etc' but maybe some questions/suggestions from you guys might start to lead to solving this problem.

EDIT:

1. Network Connection: WAN Miniport (PPTP)