Forum Discussion
Folder ACL exceeds allowed size
When trying to add a user as "Reviewer" to the calendar of a shared mailbox by Add-MailboxFolderPermission -Identity <UserPrincipalName_SharedMailbox>:\Calendar -AccessRights Reviewer -User <Use...
Hi
VasilMichev this worked for us in an OnPremise environment - now we are on Hybrid Mode and if the shared / room or resouce Mailbox is OnPrem and the Account is in Exchange Online it only works with individual rights. If we use mail enabled security groups - which reside in our local Active Directory - it doesn't work.