troubleshooting Question

Deleting large volume of email from a shared mailbox deleted items folder

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carbonbaseFlag for United Kingdom of Great Britain and Northern Ireland asked on
ExchangeMicrosoft 365Powershell
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The users of one of our shared (Office365) mailbox have allowed items in the deleted items folder to grow to over 200,000 items.  They are now trying to empty the deleted items folder but are finding they cannot as Outlook hangs.  

I have been looking online for a way to do this in Powershell and have come across this command:

Search-Mailbox -Identity username -SearchQuery '#deleted items#' -DeleteContent
I tried it without the '-DeleteContent' switch at the end so I could test it before deleting anything, but I get an error "The target mailbox or .pst file path is required.", even though I changed the '-Identity' value to my shared mailbox.

I would like some advise on how to get this, or another query working so I can clear out the deleted items folder.

Thanks in advance.
ASKER CERTIFIED SOLUTION
carbonbase

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