Exchange 2010 – Configure OWA Default 'First day of week'

The default Exchange 2010 configuration has the ‘First day of week‘ in Outlook Web Access set to ‘Sunday’. However for most organisations the first day of week is Monday.

This article details how to change the ‘First day of week’ to Monday for all existing mailboxes.

If you need to regularly configure this option I recommend you use the Task Scheduler in Server 2008 to run the Exchange Management Shell commandlet on a regular basis (e.g. once a night).

Before:

The first day of week is set to ‘Sunday’.

MSExchange2010-OWAFirstDay1

After:

The first day of week is set to ‘Monday’.

MSExchange2010-OWAFirstDay2

How to configure Outlook Web Access Default ‘First day of week’ for all existing mailboxes:

The following Exchange Management Shell commandlet will set the ‘First day of week’ for all existing mailboxes to Monday.

Get-Mailbox -ResultSize unlimited | Set-MailboxCalendarConfiguration -WeekStartDay Monday

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