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Cross Tenant Mailbox Migration: Step by Step Guide
This post will describe step by step cross tenant mailbox migration in an easy way. Please follow each point in order to avoid any issue. Check common errors and fixes in the following link: Cross-te...
Yes, from my perspective that's the only way, ( I did it in the past and softmatching didn't work... We needed to hardmatch with ImmutableId ).
1- New Mail User
2- Set Mail User, ( attributes described in the article, from the source tenant ).
3- License the Mail Users. ( ensure that attributes are correct before this step ).
4- Migrate the mailboxes, ( once completed, the mail users will be converted automatically to mailboxes ).
5- Match the O365 users/mailboxes with the local synced account.
1- New Mail User
2- Set Mail User, ( attributes described in the article, from the source tenant ).
3- License the Mail Users. ( ensure that attributes are correct before this step ).
4- Migrate the mailboxes, ( once completed, the mail users will be converted automatically to mailboxes ).
5- Match the O365 users/mailboxes with the local synced account.
Hello,
If the mailbox under hold on the source tenant, i must disable the hold before migration.
But the contenant stored in sub folder in Recoverable items will be migrated also or we must export contenant to a PST file before migration ?
Thanks for your reply
If the mailbox under hold on the source tenant, i must disable the hold before migration.
But the contenant stored in sub folder in Recoverable items will be migrated also or we must export contenant to a PST file before migration ?
Thanks for your reply
Hi awaaziz
That's something that honestly I didn't test, but from my perspective the recoverable items will not be migrated. I would suggest to restore them to the deleted items folder before the migration. Sure PST is also an option, but personally I don't like it 😉