Outlook address auto complete going to wrong email address
We moved our student email accounts to a new domain hosted by Google (students.uppervalleycc.org) Last year's students had an account on our local Exchange server (uppervalleycc.org). This year when a teacher tries to email a student who was here last year even if they key in their students.uppervalleycc.org email address it auto completes to their old uppervalleycc.org email account. We did not delete the old Exchange accounts in case a student needed to get access to an old email. We did update their AD accounts to reflect their new email address.