Download the root certificate file ISRG_ROOT_X1.cer, double click on it, click on "Import Certificate" and keep going through the next steps.
Import certificate for win7 or older systems, fix ikev2 protocol 13801, authentication credentials not acceptable
Published: Jul 12, 2021 17:51
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As Microsoft has stopped updating and supporting Win7 and older systems, the built-in root certificate has expired, so you will need to import the root certificate manually to continue using it.
Download the root certificate file ISRG_ROOT_X1.cer, double click on it, click on "Import Certificate" and keep going through the next steps.
Download the root certificate file ISRG_ROOT_X1.cer, double click on it, click on "Import Certificate" and keep going through the next steps.
