Office 365 Online Archiving Info

Licensing


Office 365 licensing that includes Archiving:

https://docs.microsoft.com/en-us/office365/servicedescriptions/exchange-online-service-description/exchange-online-limits#mailbox-storage-limits

Verify if Archive is Enabled for a User


Within Exchange Admin Center -> Recipients -> Mailboxes -> click on user ->click “Manage mailbox archive”.

via PowerShell:

Get-mailbox jdoe |fl ArchiveStatus

Enable Archive for a User


Within Exchange Admin Center -> Recipients -> Mailboxes -> click on user ->click “Manage mailbox archive” -> select it to “On”.

Kick off Archiving Process for a User

Once Online Archiving is enabled, 365 will move emails based on the applied Retention Policy every 7 days. If you need archiving to run sooner than that, because the user’s mailbox is running out of room for example, you can run the following command; it starts moving emails to archive immediately.

Start-ManagedFolderAssistant –Identity jdoe

If you get the error, “The call to Mailbox Assistants Service on server: failed. Error from RPC is -2147220992” when running that command, you can run the following command to get the user’s primary mailbox GUID and then run the command to kick off archiving using that GUID instead of username:

get-mailboxLocation –user jdoe | fl mailboxGuid,mailboxLocationType
Start-ManagedFolderAssistant 09bcd903-811d-4bdf-b834-342825eeca63

Check Size of User’s Mailbox

To Check Primary Mailbox Size:

Within Exchange Admin Center -> Recipients -> Mailboxes -> click on user -> on the main pane is display the user’s primary mailbox usage.

Via PowerShell:

Get-Mailbox -identity jdoe | Get-MailboxStatistics | Select-Object DisplayName,TotalItemSize | ft;

To Check Archive Mailbox Size:

Within Exchange Admin Center -> Recipients -> Mailboxes -> click on user ->click “Manage mailbox archive” -> you’ll see that the archive is enabled and you can see the size used there.

Via PowerShell:

Get-Mailbox -identity jdoe | Get-MailboxStatistics -Archive | Select-Object DisplayName,TotalItemSize | ft;

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