Microsoft has clarified the migration path for Exchange on Windows 2000 to .Net, but the complex answer could be a taste of wider migration issues ahead. The software giant confirmed that Exchange Server 2000 will not run on its .Net Server operating system, and that users will have to wait until at least next year to migrate to .Net Exchange, codenamed Titanium. Titanium is due in beta this month with a final release scheduled for the first half of 2003. Microsoft has promised that Titanium will be backwards compatible with Windows 2000 (with Service Pack 3 installed), making it possible to upgrade to Titanium before upgrading to .Net itself.
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