Connecting through VPN but cannot access Exchange

I have a win2k laptop connecting to an SBS server (2000) making a VPN connection to an SBS server (2003) to access an exchange server for e-mail.

The VPN connects and authenticates, but I cannot access the network, can't ping can't access exhange server etc.

I go home and connect over my broadband connection and I connect and move around fine.  I see the network, get my mail etc.

There are a couple of guys from the main office that come down here on occassion and they are able to connect from here to the location that I am having trouble with (main office).  They both use XP, but one guy said that he used to use w2k.

This seems to rule out just about everything and I have to admit that I am running in circles here.
ArmiesAsked:
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Computer101Commented:
PAQed, with points refunded (250)

Computer101
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ewtaylorCommented:
Sounds like a routing issue are both networks on the same ip addressing schme? Do they use the same ip addresses, what kind of routers are on the networks it could be that IPSEC passthrough is not enabled on one the router.
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ArmiesAuthor Commented:
they do have a very similar internal ip scheme, one is 192.168.2.* and the other is 192.168.3.*

There is a Cisco 1700 on this side, don't know about the other side.  Other people are able to make the connection ok, though.
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ewtaylorCommented:
You are running a vpn client or just configuring a vpn connection using the builtin wizard on 2k?
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ArmiesAuthor Commented:
Just using the wizard, I guess.  What is the difference?
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ewtaylorCommented:
Hmm can more than 1 person at a time connect over the vpn (the other people) ?
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ArmiesAuthor Commented:
I think I'm the only one connecting through VPN.  I don't think we have any problem with anybody getting in, but me.
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ewtaylorCommented:
Well if it works from home and not at the office it must be the office router... I think I got it check this link out http://support.microsoft.com/default.aspx?scid=kb;en-us;818043 
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ewtaylorCommented:
Did this work for you?
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ewtaylorCommented:
You still there?
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ArmiesAuthor Commented:
Yeah....
I had already tried your suggestion.  I just reformatted and installed Windows XP yesterday.  Tried it out htis morning and it worked, so whatever it was it was on the laptop side of things.

Thank you for your help
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ewtaylorCommented:
Thanks for the update!
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