Bulk modify users to "Include Inheritable Permissions from This Object's Parent"
In our previous environment in SBS 2003, every single user was configured to be a Power User. As a result, the "Include inheritable permissions from the object's parent" tickbox is unticked for most of the users in our organization.
We've recently switched over to Server 2012 R2 + Exchange 2010, and removed the Domain Power Users group membership, making everyone a regular user account.
I'm sure this has been asked lots of times before, but is there a way to bulk modify all of the users and tick the "Include Inheritable Permissions From This Object's Parent" tickbox on a one-time basis? Either in PowerShell, or Batch, or via some kind of supported GUI in Windows? Or some other way?
I want to avoid using third party active directory editing tools, only native Microsoft-supported tools.