Certificate default 2 years valid


Microsoft CA is set by default to maximum 2 years certificate validity . So you can’t create a template with  a certificate valid more then 2 years, However, i needed a certificate wirh 10 years .


To extend this for your own CA , edit the following registry key and restart the CA service.

KEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\CertSvc\Configuration\<CA Name>\ValidityPeriodUnits

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