Every one can view one user's calendar - Resolution with screenshots

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Every one can view one user's calendar - Resolution with screenshots

Q: We just found all users (based on our tests) can access one user's Calendar. We would like to find out how and what’s the fix.

We are running Exchange 2010. We check the calendar permissions. There are around 10 users who have permissions to view her calendar. But if I logon a regular user who is not listed on her calendar permissions, the user can view her calendar. Why and how to fix it?

A: I found the problem. The user assigned default permission level to Publishing Editor as shown below. Be default it should be Free/Busy time. For the all permission level, please check this link:

How to check mailbox permissions using Exchange cmdlet - Step by step with Screenshots

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