Microsoft Exchange Server 2016 PowerShell Cookbook - Fourth Edition

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Many of the management roles installed with Exchange 2016 can be assigned to users by adding them to a role group. Role groups are associated with management roles through something called role assignments. Although the recommended method of assigning permissions is through role groups, you can still directly assign a management role to a user with the New-ManagementRoleAssignment cmdlet:

    New-ManagementRoleAssignment -Role 'Mailbox Import Export' '
    -User administrator 

In this example, the administrator is assigned the MailboxImportExport role, which is not associated with any of the built-in role groups. In this case, we can create a direct assignment as shown previously, or use the -SecurityGroup parameter to assign this ...