We recently released a downloadable Exchange System Manager (ESM) for Exchange 2003 which can be installed on Vista machines. Part of what made this possible was the changes we did recently to allow Exchange's implementation of the MAPI client binaries to run on Vista.
Some interesting tidbits from the Release Notes:
- The downloadable ESM depends on the MAPI Download, which must be installed first.
- Therefore - the ESM and Outlook cannot be installed on the same machine. Of course, this is old news - we've never supported the ESM and Outlook on the same machine.
- This download is for Vista only. It does not support Windows Server 2008.