Trouble with VPN connection

I'm trying to setup a VPN at the office I work in.  I have setup the file server at the office to accept VPN connections which is running MS Windows Server 2003.  The network at the office uses workgroups only, we do not use a domain.  I have been able to connect successfully from home pc running XP when I use a dail-up connection and able to use office network resources.  However, when I connect using my broadband connection the VPN is connected but I am unable to use any resources on the office network.  I have two pc's at home that are networked using workgroup both are running XP Pro.  What am I doing wrong?

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In the routing and remote access

-> Click server -> properties  -> ip Tab  

check the enable ip routing  and  Name broadcasting

If that not done you get somthing like what you are having

It could all be Access POLICES
zaphod-sbhAuthor Commented:
Both ip routing and broadcast name resolution were checked

I have not added any access policies.
Can you ping any IP address of any PC at your office when you're at home connected via VPN? if so can you connect to them via using their IP address rather than their netbios name?

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zaphod-sbhAuthor Commented:
No I cannot ping the office IP addresses.
check the port no 1723 pptp is open on ur broadband connection and router and does your ISP block this port check with them

Probably it looks like this is a router Hardware problem

which router r u using ask ur isp to open up ports for you if necessary

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You all so need protcol 47 open on your firewall
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