RE: VPN Head Office to Branch Office

Hi Lester,

Thanks for posting here.

From your post, I understand that you have built a router to router VPN
tunnel between two offices as following:

{Header Office}=={SBS/no ISA}=={Router}=={Internet}=={Router}=={Branch
Office}

You want the users in Branch Office to have access to Header Office. If I
am off base, please feel free to let me know.

Based on my knowledge, if you create a VPN between the ADSL VPN Route, you
only access the external network on Windows SBS server. You cannot access
the internal network from Branch Office. If you want to know how to access,
please refer to the following method:

Method 1:
============
You can remove the external NIC, and re-run CEICW, in this way, the SBS
Server only has one NIC and it will be located in the same network of the
client computers. Then the remote client at the branch office could
directly access both the SBS Server and the LAN computers without problem.
Please refer the following knowledge base article:

How to configure Internet access in Windows Small Business Server 2003
http://support.microsoft.com/kb/825763/en-us <>

Method 2:
============
Build a second client-server PPTP VPN connection from the computers in LAN2
to SBS Server. This second VPN tunnel is transferred in the original VPN
tunnel established by the two hardware router. However, this may not work
because it's a double-VPNed scenario and it depends on the compatibility
between the hardware router and the windows VPN component.

I hope the above information helps.

Have a nice day.

Best Regards,

Steven Zhu
MCSE
Microsoft Online Partner Support
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