Second E2k7 server install into remote site.

As far as AD site links go, we have our site links set (which includes all our sites);
default site link: 100 cost, and 15 min replication interval.
SMTP link; 100 cost and 180 min interval.
As I understand it, SMTP is used to route messages between sites.
Are the IP site links used?
Do we need to change the SMTP (or IP) settings? i.e. cost and interval..?

Many thanks.

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IP site links are used for reliable well connected AD sites. AD SMTP site links are for sites that may be connected but with un-reliable network links. Due to Exchange needing reliable links Exchange 2007 makes its routing decisions based on IP site links. SMTP is the protocol used for mail transfer between servers however the routing is determined using IP site links over AD SMTP site links. There is some useful info here please review and let us know if you have specific questions: -

Planning to Use Active Directory Sites for Routing Mail

Transitioning to Active Directory Site-Based Routing

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prospathoAuthor Commented:
Thanks Mass,
Thanks for the links, however still have some issues:

As per "Message Routing in a Coexistence Environment" article (

"During Exchange 2007 setup, a routing group connector is created in both directions between the Exchange 2007 routing group and an Exchange 2003 or Exchange 2000 routing group. The Exchange 2003 or Exchange 2000 bridgehead server that you select during setup determines with which routing group the connection is made. After setup is complete, it is a best practice to add source and target servers to the routing group connectors for load balancing and redundancy.

We have created a routing group connector which handles traffic between the current local E2k and E2K7:
Exchange Routing Group (DWBGZMFD01QNBJR) contains local E2k7 server.
(Legacy) First Routing Group contains all legacy E2k servers.

We are about to install a second E2k7 server in a remote site, and I need to know if any additional routing groups or routing group connectors are created when I run the setup on the new server. If not, I need to know what to create and what to add to what?

I need some 'specific advice' on this - as I have read most of the technet / help articles on this, and am still not enlightened.
prospathoAuthor Commented:
A little disappointed that no one returned to my subsequent post...Anyway, Thnaks Mass for intial answer.
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