Giving Reviewer Rights to a calendar of a bunch of Exchange Mailboxes
To give calendar reviewer rights to a user called nosey1 to
bunch of mailboxes, use this one liner below. you will need to add their email
aliases
to a text file.
Get-content C:\scripts\Calperm.txt | ForEach-Object
{Add-MailboxFolderPermission $_":\Calendar" -User nosey1
-AccessRights Reviewer}