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Installing Exchange in Active Directory Site (branch Office)

Posted on 2008-10-14
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Last Modified: 2009-10-06
our branch office is connected to main office by using VPN between two ASA 5520.
we have already MS exchange 2007 up and running in the main office and now I want to install another Exchange 2007 in my branch office which is a separate AD site to serve the branch users.
when I installed and configured Exchange I noticed it works only in that site locally, means that what ever email I send to any user that belong to the main office it won't be delivered. (does setting smart host has something to do with it?)
I'm sure there is something missing in my configuration,
I would be very glad if you guys can help me out.
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Question by:szwy
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by:akmilm
ID: 22718746
Is there an AD site link, do you have a DC at the remote office?
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olivierbreuer earned 500 total points
ID: 22718860
Hello,

When you create a site-to-site vpn on a cisco ASA, you have to define the "Interesting traffic".
Can you test from the server branch office to the main office a Icmp hello packet (PING command)

This will help you out to find if you have a VPN problem.

Check also your firewall rules to know if the traffic is not dropped.

Use the real time log viewer during the icmp tests, that will help you to know what's happening...

Could you please paste the config of the firewalls, so we can have a deeper look at it ?

Thanks,

Olivier
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by:szwy
ID: 22719244
First of all I appreciate you inputs.

Akmilm yes I have AD site link along with its own DC establish, and to add more; the AD replication between the two site works perfectly, means that when I create new object (user) in my main office Im able to see it created automatically in the branch office (site).
So Olivier, considering these facts lets assume for moment that the VPN connection has been set up properly, what else I need to look for as far as the AD/Exchange is concern?
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Expert Comment

by:akmilm
ID: 22719276
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by:akmilm
akmilm earned 500 total points
ID: 22719282
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Expert Comment

by:olivierbreuer
ID: 22720734
Hello,

As far as the VPN connection is configured proprely, you chould check the Exchange routing as akmilm has sent on his previous posts.

Regards,

Olivier
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