Forum Discussion
FcoManigrasso
Sep 02, 2022Iron Contributor
Cross Tenant Mailbox Migration: NotAcceptedDomainException
This week I'm performing a new cross tenant mailbox migration. I have some experience with this kind of migrations, ( it's the third one I'm in charge of ), and with the new procedure, ( will paste...
_DaveBell
Jan 08, 2023Copper Contributor
Thanks for posting!
An hour or so wasted - going to request the documentation is updated 🙂
An hour or so wasted - going to request the documentation is updated 🙂
- Fresh-EdgeApr 10, 2026Copper Contributor
Thank you for this!
We've been migrating mailboxes from tenant A to tenant B for years now and I never needed to assign the mailbox license before the migration was started, only the cross-tenant license. We just set things up so we could migrate the other way and started running into this issue. Assigning the mailbox license fixed it.