I wonder if the Default calendar that Outlook has is shared (viewed) by all users in the domain or it is not.
if It is not, then is there a way to give permissions to a group of people to be able to view it?
If managing Active Directory using Windows Powershell® is making you feel like you stepped back in time, you are not alone. For nearly 20 years, AD admins around the world have used one tool for day-to-day AD management: Hyena. Discover why.