hello everyone!
out company migrates to 2010 exchange from 2007.
we have one forest with subdomains and two sites with 2007SP2 servers.
we already have a deployed 2010SP1 exchange server in master site (domain root site) and migrated site users to 2010.
and now we want to decomission all 2007 servers in master site, but the problem is that the 2007 HT server in sub-domain's site still routes mail via 2007HT server in master site. Why not via new 2010HT server? how we can make HT server in sub-domain route mail via 2010 HT server?
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