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Defender Licensing shared mailboxes
Hi, to add Defender to a shared mailbox it is required the Defender license only, or the Defender + an exchange P1 license? In the past I'm quite sure the P1 was required, today seems not, but I ca...
- Hi there! - you may find the following useful:
https://docs.microsoft.com/en-us/office365/servicedescriptions/office-365-advanced-threat-protection-service-description#licensing-terms
If you're not using the shared mailbox in any way which requires an Exchange Online Plan 1 license, but it is benefitting from MDO protection, you only need the MDO license.
Exchange license is only needed if the shared mailbox is above 50GB or has archive/hold enabled. But it goes without saying that no one here is authorized to quote licensing terms on behalf of Microsoft, so best check with your local MS reps.