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Delete All Calendar Items - 1.Aug.2008 9:36:04 AM

rwisselink

Posts: 5
Joined: 24.Nov.2006
Status: offline

Hello,

I have done several Exchange 2007 migrations. At the moment I am doing a Lotus Notes migration to Exchange 2007. If you do a two step migration. (Export the same mailboxes two times) Then the changed calendar items between those two dates are imported double.

So I want to clear all calendar items of all user mailboxes before doing the second import action.

Does any one know how to accomplish this??? For example with a powershell command.

I don't want to do it manually.

Thanks for your help.
Remco Wisselink
rwisselinkatgmail.com

Post #: 1

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RE: Delete All Calendar Items - 1.Aug.2008 5:41:00 PM

Elan Shudnow

Posts: 575
Joined: 4.Jan.2007
From: Chicago, IL
Status: online

You can use Export-Mailbox.
Something like get-mailbox where {$_.ObjectClass -NotMatch '(SystemAttendantMailbox|ExOleDbSystemMailbox)'} | Export-Mailbox -IncludeFolders '\Calendar' -DeleteContent

I would explain the command but it looks like it's pretty self explanatory. I believe even if you didn't put the part to exclude SystemAttendantMailbox|ExOleDbSystemMailbox that Export-Mailbox already does this due to my usage of it in the pass to mass delete all mail in a specific database withouto excluding and Exchange was fine and I didn't see it touching either mailboxes.

Hope that helps,

_____________________________

Elan Shudnow
http://www.shudnow.net

(in reply to rwisselink)

Post #: 2