Let's Encrypt SSL certificates are showed as not valid in browser

Created:

2016-12-18 06:54:25 UTC

Modified:

2017-08-16 17:08:42 UTC

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Let's Encrypt SSL certificates are showed as not valid in browser

Applicable to:

  • Plesk Onyx for Linux

Symptoms

  • Websites are showing the following error message when accessed with www prefix as www.example.com:

    NET::ERR_CERT_AUTHORITY_INVALID
  • Certificate was issued by Let's Encrypt.

Cause

The option Include www.example.com as an alternative domain name is not in selected for the domains in Let's Encrypt extension.

Resolution

Select the option Include www.example.com as an alternative domain name when issuing the certificate by Let's Encrypt.

alttext

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