Change a resource mailbox booking window in Exchange 2010

This is a follow-up on my post on the same topic for Exchange 2007. This post will explain how to change the Booking Windows for a resource mailbox in Exchange Server 2010. This value is set to 180 days by default and many organizations find this a bit low.

In Exchange Server 2010 we use the following command to change this setting:
Set-CalendarProcessing "<ResourceMailboxName>" -BookingWindowInDays <NumberOfDays>

Example:
Set-CalendarProcessing "test3" -BookingWindowInDays 365

Calendarprocessing1

If you want to set this for all room mailboxes at once use the following command:
Get-Mailbox | Where {$_.RecipientTypeDetails -eq "RoomMailbox"} | Set-CalendarProcessing -BookingWindowInDays 365

Calendarprocessing2

You can verify the settings using the following commands:
Get-CalendarProcessing "test3" | FL Identity,BookingWindowInDays

Calendarprocessing3

For all room mailboxes:
Get-Mailbox | Where {$_.RecipientTypeDetails -eq "RoomMailbox"} | Get-CalendarProcessing | FL Identity,BookingWindowInDays

Calendarprocessing4

Thanks for reading, let me know if you have any questions!

My post on the same topic for Exchange 2007 can be found here!

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8 Responses to Change a resource mailbox booking window in Exchange 2010

  1. Kyle says:

    Is there a way to make outlook notify your users what the booking window is before they create a meeting for the room? I’ve gotten alot of requests for this kind of thing. users will book reoccurring meetings with a window that is too large. They then have to send the request again after changing the booking window they had chosen before.

  2. Rauno Mägi says:

    “Get-Mailbox -RecipientTypeDetails roommailbox” is faster than selecting all mailboxes and then filtering out with “where”.

  3. Tramm says:

    Works like a charm, thanks. Just checked the Management Console, and in version 14.02.0318.001, you can change it there also. Cant say in what specific version it became possible though – if not always.

  4. marklitton says:

    What’s the effect on existing meetings? If the window was 390 days, and I set it at 365, what happens to an existing meeting that was scheduled between 365 and 390 days?

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