Set a Secondary Email Address as Primary
1. Open Active Directory Users and Computers. Select Users folder, right-click a user and select Properties.
2. On E-mail Addresses tab, select an email that you want to set as primary email. Click Set A Primary.
3. Click Apply and OK
NOTE: The e-mail in bold represent a primary e-mail.
3. Click Apply and OK
NOTE: The e-mail in bold represent a primary e-mail.