Your Connection is not Private - NET::ERR_CERT_COMMON_NAME_INVALID

Hi Let’s Encrypt Community Support,

Currently I created a load balancer in Google cloud. During testing it is working fine with http protocol, however when I put in https protocol noticed “Your Connection is not Private” page will display.

After check with Google support they said is was due to incorrect website security certificate.

Issuer: Let’s Encrypt Authority X3
Valid from: November ‎05, ‎2017
Valid to: February ‎03, ‎2018
Subject Alternative Name: DNS

The website URL contains 4-parts, but my security cert only contains 3-parts “Subject Alternative Name: DNS”.

To be able to access that URL with secure HTTPS, I need to update and reissue your security cert to also contain:
Subject Alternative Name: DNS

Please advise how can I reissue the security cert.

Thank you.

See How to combine certificates?

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