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mailbox migration issues routing address missing ???

dirkdigs 931 Reputation points
2021-03-06T05:45:58.427+00:00

I have 2 trouble mailboxes that will not migrate to exchange online for the life of me.... . i keep getting "Synced with Errors" message when trying to run the migration batch .the error says that the custom Microsoft domain/o365 routing address is missing from the mailbox i am trying to migrate .
I have gone into "attribute editor" and added and checked numerous times that the routing address does indeed exist and is present .
i have run numerous delta sync and initial sync but still getting the same error .
What can i do here? Check my screen shot . Cleary the routing address is present .

The target mailbox doesn‎'t have an SMTP proxy matching ‎'domain.mail.onmicrosoft.com‎'.

74916-2021-03-05-23-44-35.png

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Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
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  1. Andy David - MVP 159.7K Reputation points MVP Volunteer Moderator
    2021-03-06T12:20:23.81+00:00

    Thats not a valid SMTP Address

    Should be info2@keyman .mail.onmicrosoft.com‎

    You have two "@" in there.

    74977-image.png

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  1. dirkdigs 931 Reputation points
    2021-03-06T05:48:27.613+00:00

    here is the error74996-2021-03-05-23-47-19.png from exchange online .

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  2. dirkdigs 931 Reputation points
    2021-03-06T15:59:31.273+00:00

    well that was a dumb mistake !! DOH

    thanks,

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