The Send-As permission for objects in Exchange is set on the AD object (rather than the mailbox itself). Normally, the weapon of choice is the Add-ADPermission cmdlet but interestingly that cmdlet is only available if you have some serious Exchange permissions; Organization Management. What you’re doing though requires fairly low-level AD permissions; you’re just modifying some attributes on an object. So I did some investigation and came up with a function to set Send-As permissions without using Add-ADPermission. Continue reading “PowerShell: Setting Exchange Send-As Permissions without Using the Add-ADPermission cmdlet”