Reference: https://technet.microsoft.com/en-us/library/aa998864(v=exchg.160).aspx
Start-ManagedFolderAssistant
Applies to: Exchange Online, Exchange Server 2016
This cmdlet is available in on-premises Exchange Server 2016 and in the cloud-based service. Some parameters and settings may be exclusive to one environment or the other.
Use the Start-ManagedFolderAssistant cmdlet to immediately start messaging records management (MRM) processing of mailboxes that you specify.
For information about the parameter sets in the Syntax section below, see Syntax.
This example processes the mailbox for a user with the alias Chris.
Start-ManagedFolderAssistant -Identity "Chris"
This example uses the Get-Mailbox command to retrieve all the mailboxes that resolve from the ambiguous name resolution (ANR) search on the string “Chr” in the domain DC01 (for example, users such as Chris Ashton, Christian Hess, and Christa Geller), and the results are piped to the Start-ManagedFolderAssistant cmdlet for processing.
Get-Mailbox -Anr Chr -DomainController DC01 | Start-ManagedFolderAssistant
The Managed Folder Assistant uses the retention policy settings of users’ mailboxes to process retention of items. This mailbox processing occurs automatically. You can use theStart-ManagedFolderAssistant cmdlet to immediately start processing the specified mailbox.
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