An Engineers Notebook

Office 365: Configuring eDiscovery and In-Place Holds


  • Users must have the Exchange Online Plan 2 for eDiscovery to work.
  • Administrator must be a member of the “Discovery Management” role in Office 365
By default, office 365 creates a discovery mailbox but it will become necessary to create new discovery mailboxes.

Power Shell

Creating a discovery mailbox with 

New-Mailbox SearchResults -Discovery -PrimarySmtpAddress [email protected]

Display available discovery mailboxes

Get-Mailbox -Resultsize unlimited -Filter {RecipientTypeDetails -eq "DiscoveryMailbox"}

Create In-Place Hold

New-MailboxSearch "SearchName" -SourceMailboxes "[email protected]" -inplaceholdenabled $true

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