3193826 - Backoffice not accessible due to incorrect certificate"

Backoffice is not responding."Service Unavailable" issue happened when accessing Backoffice.

Here is corresponding error logs found in Apache service.

W0419 06:24:24.961794       7 controller.go:1057] Unexpected error validating SSL certificate "default/****-certificate-cfp7vnuis0" for server "acc.abc.123.xyz.com": x509: certificate is valid for *.abc.model-t.cc.commerce.ondemand.com, *.edf.model-t.cc.commerce.ondemand.com, not acc.abc.123.xyz.com
W0419 06:24:24.961811       7 controller.go:1058] Validating certificate against DNS names. This will be deprecated in a future version.
W0419 06:24:24.961833       7 controller.go:1063] SSL certificate "default/****-certificate-cfp7vnuis0" does not contain a Common Name or Subject Alternative Name for server "acc.****.****.****.com": x509: certificate is valid for *.abc.model-t.cc.commerce.ondemand.com, *.edf.model-t.cc.commerce.ondemand.com, not acc.abc.123.xyz.com
W0419 06:24:24.961842       7 controller.go:1065] Using default certificate
W0419 06:24:24.961863       7 controller.go:1057] Unexpected error validating SSL certificate "default/****-certificate-jygl8ws54q" for server "acc.abc.123.xyz.com": x509: certificate relies on legacy Common Name field, use SANs instead
W0419 06:24:24.961875       7 controller.go:1058] Validating certificate against DNS names. This will be deprecated in a future version.
I0419 06:24:24.961887       7 controller.go:244] Skipping empty wafConfig in environment default/environment
I0419 06:24:24.961890       7 controller.go:244] Skipping empty wafConfig in environment logging/controller-environment

SAP Commerce Cloud 2011

Backoffice no responding, invalid certificate , KBA , CEC-HCS-CCAZ-WEB , Web Layer - Apache , Problem