Exchange 2010 and Exchange 2003 Co-Existance Connectors

After some advise on what will happen to the existing Exchange 2003 connectors once we introduce an Exchange 2010 into the Domain (we will be running in co-existance for a while.)

Currently we have are a child domain (across 2 sites) with exchange 2003  at each site.

We have a routing group between them and one site has an SMTP connector to a notes server in our parent domain.

We are in the process of migrating from notes\exch2003 to 2010. They have introduced a test 2010 server but it is not live (the notes server is still the main email server), their schema and domain has been prepped.

I know Exchange 2010 will want to be in charge of everything and want to create a connector between itself and the first exch2003 server.  What will happen to the existing routing groups and smtp connector.  I did attend an exchange 2010 course but the instructor gave a non-committal answer - and contradicted herself but basically said the SMTP connect from the exch2003 svr would not work

Anyone have any practical experience?

Thanks in Advance


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SweepSDAsked:
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Glen KnightConnect With a Mentor Commented:
You don't need to create a routing group connector, it will do this automatically.

The SMTP Connector will still work but to be able to make any changes you will need to create a new Send Connector, which is the same as the SMTP Connectors in Exchange 2003.

I few things you may want to check are documented in my article here: http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_3044-Exchange-Server-Mail-Flow.html
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SweepSDAuthor Commented:
Thanks for quick reply - so basically as long as our local domain is prepped introducing exchange 2010 will not have any effect on the current exchange 2003 setup. External Email will still flow from the 2003 via the smtp connector until we decide to set up a connector from the 2010 box?

The reason I still wanted it to flow through this for the mean time is that server is the one registered with our spam filters etc at our parent domain.

Thanks

Andy

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Glen KnightCommented:
no, none at all.
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