I have just successfully created a meeting room with option Enable the Resource Booking Attendant in Exchange 2010. However, the Domain Users are not able to book the room. My understanding the option Enable the Resource Booking Attendant will make the room public.
In Exchange Managemenet Shell, I try to grant a user Access Right to this meeting room as Author:
Add-MailboxFolderPermission -Identity testroom:\Calendar -User "firstname.lastname@example.org" -AccessRights Author
Soon after the press enter on the above command, the user can book the room.
I have tried to create either Security Group or Distribution Group to apply the permissions. None of them are working to grant permissions. Ihave got this Error Message:
The User "GroupName" was found in Active Directory but isn't valid to use for permissions. Try an SMTP address instead.
I try to use the SMTP Address, and I got the following Error:
The user "Group SMTP Address" is either not valid SMTP Address, or there is no matching information.
The group SMTP address is exist and fully working.
What are the best practises to grant Author permission to all Domain Users? For sure, I cannot do this to hundreds of users in the office.
Thank you in advance for your help.