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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Change a resource mailbox booking window in Exchange 2007

Here is a quick tip on how to change the Booking Windows for a resource mailbox in Exchange Server 2007. This value is set to 180 days by default and many organizations find this a bit low.

To change this value use the following command:
Set-MailboxCalendarSettings "<ResourceMailboxName>" -BookingWindowInDays <NumberOfDays>

Example:
Set-MailboxCalendarSettings "test3" -BookingWindowInDays 365

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

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

My post on the same topic for Exchange 2010 can be found here!