We started out with an Exchange 2003 server and have since installed an Exchange 2007 server and removed the 2003 server by running the uninstalller. We are now looking to upgrade to Exchange 2013, but when I attempt to prep the Schema, I get the error that there is still an Exchange 2003 server. How do I manually remove the associated pointer to the old server long after it has been removed?
I also receive the error "Cannot find recipient update services responsible for domain 'DC=xxx, DC=xxxx". New and existing users may not be properly Exchange-enabled. The 2007 server has been in place and working correctly for years..