SOLVED

Shared Mailbox migration, is license required?

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Occasional Contributor

I'm looking for information if shared mailbox need license to be migrated form on-premise exchange to exchange online? 

I cannot find any MS article about it.

3 Replies
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Best Response confirmed by Vasil Michev (MVP)
Solution

From https://docs.microsoft.com/office365/admin/email/create-a-shared-mailbox?view=o365-worldwide;

 

Your shared mailbox can store up to 50GB of data without you assigning a license to it. After that, you need to assign a license to the mailbox to store more data. For more details on shared mailbox licensing, please see Exchange Online Limits. When a shared mailbox reaches the storage limit, you'll be able to receive email for a while, but you won't be able to send new email. Then, after that, it will stop receiving email. Senders to the mailbox will get a non-delivery receipt.

 

Greg

@Greg Taylor - EXCHANGE  thank you for your reply.

 

But is license also not required to migrate shared mailbox created in on-premise to exchange to online?

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@Jacek Czeszewski not if the conditions I posted to still apply. If the shared mailbox you want to migrate is under 50GB you are ok. If not, you'll need a license.