What are the prerequisties for Deploying regional Name spaces with single forest single domain architecture .
Below consideration our for exchange 2010.
Aim to achieve : Mx for different sites will be pointed to ISP spam which will forward mails to respective locations Hub Servers .
Different Sites should have Different Urls
Active Directory Domain Name : abcd.com
Forest Functional Level : 2008 R2
Domain Level : Windows 2003
Site A --HAs different smtp domain Hub/cas/mbx will be deployed in High Availabilty.
Site B --HAs different smtp domain Hub/cas/mbx will be deployed in High Availabilty