How to Renew Root Certificate of Microsoft CA with a longer validity period

You might have defined the root certificate validity period of Microsoft internal CA as 5 years at initial installation, and what if you want to change the validity period to a longer duration like 10 or 20 years later ? For this, we will need to create a CaPolicy.inf file under windows installation directory (typically C:\Windows) and put some settings and start the renewal process.

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