Export non-exportable key as pfx

If you’ve ever needed to export a certificate and its keys from a machine and hit this issue:

It is still possible to export. But you will need to make use of a tool that is usually used for exploitation of systems

Details on how to do this are available here

These instructions are for using mimikatz. There are other tools such as Jailbreak and exportRSA but in our testing we have only had success on server based operating systems (Windows Server 2016 and 2019) using mimikatz