Hi All,
I'm in the process of migrating Exchange mailboxes from 2007 to O365. I keep getting the following error when I run a test migration on some of our accounts:
Error:MigrationInvalidTargetAddressException: A valid primary email address user@domain.org couldn't be found on the target.
We've got Dirsync up and running. I checked the Exchange management console, the email addresses in the CSV match the primary ones on the local server, Active Directory has the primary email address marked as the individuals email. I checked the mailboxes that were automatically created when DirSync ran, and it only created mailboxes for the accounts that didn't have local mailboxes on our existing server. I've assigned licenses to all the accounts (E1). We've got a local SBS 2008 server that is still running a domain.local domain, but I've switched all...