Upgrading 2008R2 domain controllers to 2012R2 DCs with mismatched USN’s

I’ve read through other people’s Q&A about upgrading from Windows Server 2008R2 to 2012R2 and seem to have the basic upgrade process down. My unique situation deals with Update Sequence Numbers not matching on our two domain controllers. I made the mistake of creating a vSphere …

Windows 2008 VPS via Upgrading 2008R2 domain controllers to 2012R2 DCs with mismatched USN’s.