PowerShell: Update User Permissions for a Shared Mailbox or Calendar using Add-MailboxFolderPermission
 I use this simple script to update permissions for a Shared Calendar for a group of Users.  This can be used for updating permissions to other Shared Mailbox Folders also.    1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 #Connect to Exchange Online  Connect-ExchangeOnline  -UserPrincipalName alex.g @COMPANY .com  #Create a list of User email addressses by seraching specific OUs and adding them to a users variable.  $users  = get-aduser  -filter * -SearchBase "OU=MEC_Operations,OU=MEC,OU=COMPANY Users,DC=COMPANY,DC=local"  -Properties mail | Select-Object  mail $users  += get-aduser  -filter * -SearchBase "OU=COL_Operations,OU=COL,OU=COMPANY Users,DC=COMPANY,DC=local"  -Properties mail | Select-Object  mail $users  += get-aduser  -filter * -SearchBase "OU=HAR_Operations,OU=HAR,OU=COMPANY Users,DC=COMPANY,DC=local"  -Properties mail | Select-Object  mail $users  += get-aduser  -filter * -SearchBase "OU=RIC_Operations,OU=RIC,OU=...
 
