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Tuesday, November 17, 2015

Exchange Calendar Permissions Using PowerShell

With Exchange 2010 and now extended into Exchange 2013 and 2016, Microsoft added the ability to manage permissions on folders in a user's email account through PowerShell.

The most common is managing calendar permissions.  Here's an example of some commands:

To get the permission on a mailbox:

Get-MailboxPermission -Identity "Boss Hog"

To get the permissions of a subfolder:

Get-MailBoxFolderPermission -Identity "Boss Hog:\Calendar"

To change permissions on a subfolder:

Add-MailboxFolderPermission -Identity "Boss Hog:\Calendar" -user "Roscoe" -AccessRights Reviewer

To remove permissions on a subfolder:

Remove-MailboxFolderPermission -Identity "Boss Hog:\Calendar" -user "Roscoe"

Here's also a list of all of the permissions you can assign.  HERE is a link to Office support with some details on what each of these permission levels can do.

  • None
  • Free/Busy
  • Free/Busy, Subject, Location
  • Contributor
  • Reviewer
  • Nonediting Author
  • Author
  • Publishing Author
  • Editor
  • Publishing Editor
  • Owner
Hopefully this will give you some assistance when you need to edit calendar permissions without the need to login as that user account and then use Outlook to make the edits.  Granted that's the GUI route but this works best from an Exchange administrator's perspective.

Good luck!

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