Forum Discussion
Multi Org Forest - Office 365 Migration
Hi Experts, We are in scenario of Migrating Multi Forest AD and Office 365 Migration, Below are our scenarios: Background: Source of AD Users and Exchange Mailbox - Forest B Source Exchang...
Hi Akhtar,
If your users' UPNs and email addresses won't change during the AD forest migration, I believe the option 1 would be the most easiest.
First let AD accounts in forest B to be synced to O365 and migrate your mailboxes as well. Then properly disconnect the AD sync. Perform the AD forest migration and deploy AD sync on new forest.
AAD Connect tool will do a soft-match with cloud users during the synchronization process (assuming UPN / email address hasn't changed) and bind them with the corresponding AD account in forest A.
If your users' UPNs and email addresses won't change during the AD forest migration, I believe the option 1 would be the most easiest.
First let AD accounts in forest B to be synced to O365 and migrate your mailboxes as well. Then properly disconnect the AD sync. Perform the AD forest migration and deploy AD sync on new forest.
AAD Connect tool will do a soft-match with cloud users during the synchronization process (assuming UPN / email address hasn't changed) and bind them with the corresponding AD account in forest A.
- Any Article supporting such scenarios?
- Following KB article discusses how you can utilize SMTP matching with AD Sync.
https://support.microsoft.com/en-us/help/2641663/how-to-use-smtp-matching-to-match-on-premises-user-accounts-to-office-365-user-accounts-for-directory-synchronization
