Exchange 2019 / 2016 / 2013 Grant Mailbox Access Permission to AD Group
In Exchange 2010, granting a group access to a mailbox was really easy with the GUI, but today in exchange 2013, 2016 and 2019 it's not that easy anymore. To add a group to an exchange mailbox in 2013, 2016 and 2019 you need to use the EMC (Exchange management console). It's still quite ea