Migrate the Linked Mailboxes from resource forest to Account Forest

Mario Grdiša 81 Reputation points


i have a situation where i have to migrate mailboxes from resource forest to account forest. Plan is to install exchange in account forest, prepare users, migrate mailboxes etc..

How shoul i setup autodiscover? Initialy, i plan to configure same URL for virtual direcories and point it to resource forest exchange, as it is now.

What will happend after mailbox migration? Will Outlook figure out where to connect or should i manualy point autodiscover to target exchange?

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Microsoft messaging and collaboration software.
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  1. Kael Yao-MSFT 37,486 Reputation points Microsoft Vendor

    Hi @Mario Grdiša

    After the migration, the mailbox email address would be changed from user@resource.com to user@account.com.

    For clients to connect to the migrated mailbox, you may need to:

    1.setup autodiscover record to point autodiscover.account.com to the Exchange server in account forest

    2.configure and use different urls for virtual directories on the Exchange server in account forest

    While if you plan to continue using the same resource domain on the Exchange server in account domain by adding it as an accepted domain, you can use the same urls for virtual directories and autodiscover.

    But in this case you may need to setup split-brain DNS (point the same urls to different Exchange servers), otherwise devices would have trouble with not knowing which server to connect to.

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