We have released the Exchange Server Role Requirements Calculator.

It’s been a long road, but the initial release of the Exchange Server Role Requirements Calculator is here. No, that isn’t a mistake, the calculator has been rebranded.  Yes, this is no longer a Mailbox server role calculator; this calculator includes recommendations on sizing Client Access servers too!

Update 4/30/2020: Due to the upcoming TechNet Gallery site decomissioning, we have removed this download and attached it to the Exchange Team blog post where the calculator has been announced. You can find the calculator here: