Article ID: 2718817 - View products that this article applies to.
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PROBLEM

Multiple mailboxes in Microsoft Office 365 may have incorrect or missing time zone settings. This symptom applies to all kinds of mailboxes, such as user mailboxes, resource mailboxes, and equipment mailboxes.

SOLUTION

To resolve this issue, bulk change the time zone info for mailboxes in Office 365. To do this, follow these steps:
  1. Connect to Exchange Online by using remote PowerShell. For more info about how to do this, go to the following Microsoft website:
    Connect to Exchange Online Using Remote PowerShell
  2. Run the following Windows PowerShell commands:
    1. $users = Get-Mailbox –ResultSize unlimited –Filter{(RecipientTypeDetails –eq 'RoomMailbox')}
    2. $users | %{Set-MailboxRegionalConfiguration $_.Identity –TimeZone "Pacific Standard Time"}
    Notes
    • You can replace "RoomMailbox" with another valid Exchange recipient type, such as "UserMailbox" or "EquipmentMailbox."
    • Replace "Pacific Standard Time" with the time zone that's appropriate for you.

REFERENCES

For more info about the Set-MailboxRegionalConfiguration cmdlet, go to the following Microsoft TechNet website:
Set-MailboxRegionalConfiguration
Still need help? Go to the Office 365 Community website.

Properties

Article ID: 2718817 - Last Review: July 9, 2014 - Revision: 9.0
Applies to
  • Microsoft Exchange Online
Keywords: 
o365 o365a o365p o365e o365m o365022013 KB2718817

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