With the release of Exchange 2007 SP2 we are providing a supportability matrix that identifies the various supported configurations of Exchange Server (operating system, Active Directory, Clients, ...
Updated Jul 01, 2019
Version 2.0
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There's still one area I'm not clear on; we're planning to upgrade our schema/forest/domain to Win 2008 R2 but we're only putting in Win 2008 DCs*. Forest & domain functional level will still be 2003.
Are 2007 SP1 RU9 & 2003 SP2 servers supported in this configuration?
The articles covers OS versions for DCs and forest/domain levels, but not the schema/forest/domain prep levels.
*We aren't covered for 2008 R2 under Software Assurance. We only have 2003 DCs at the moment and are replacing them with 2008. At some point we'll go to 2008 R2 DCs and we want to avoid doing schema/forest/domain prep twice. We need to do the 2008 prep work, so we decided to do the 2008 R2 prep work too.
Are 2007 SP1 RU9 & 2003 SP2 servers supported in this configuration?
The articles covers OS versions for DCs and forest/domain levels, but not the schema/forest/domain prep levels.
*We aren't covered for 2008 R2 under Software Assurance. We only have 2003 DCs at the moment and are replacing them with 2008. At some point we'll go to 2008 R2 DCs and we want to avoid doing schema/forest/domain prep twice. We need to do the 2008 prep work, so we decided to do the 2008 R2 prep work too.