Grant full mailbox access to an Exchange 2010 mailbox without Auto mapping the mailbox

Some examples below is granting full mailbox permissions to users without the auto mapping feature.

Run the following command to grant full mailbox access to a single mailbox:

Add-MailboxPermission –Identity <mailbox> –User <user> -AccessRights FullAccess -InheritanceType all -Automapping $false

Or, to give a user access full access permissions to all mailboxes, run:

Get-Mailbox | Add-MailboxPermission –User <user> -AccessRights FullAccess -InheritanceType all -Automapping $false


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