Article ID: 2795291 - View products that this article applies to.
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PROBLEM

When you use the Get-MailboxStatistics Windows PowerShell cmdlet to get information about a mailbox in Exchange Server 2013 or Exchange Online in Office 365, the ObjectClass property unexpectedly returns a value of Unknown

For example, when you run the Get-MailboxStatistics admin | FL *object* command, you receive the following output:
ObjectClass : Unknown
ObjectState: Unchanged
In earlier versions of Exchange Server and in Exchange Online in Office 365 pre-upgrade, the ObjectClass property returns the correct value. For example, this property returns Mailbox for user mailboxes and Mailbox, Disabled for equipment and room mailboxes.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This issue will be fixed in a future release.

MORE INFORMATION

Still need help? Go to the Office 365 Community website.

Properties

Article ID: 2795291 - Last Review: June 19, 2014 - Revision: 5.0
Applies to
  • Microsoft Exchange Online
  • Microsoft Exchange Server 2013 Enterprise
  • Microsoft Exchange Server 2013 Standard
Keywords: 
o365e o365p o365022013 o365 o365m KB2795291

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