Post upgrading from a previous version of the Aria Automation 8.18.x to the later version, unable to access the web interface of Aria Automation.
The /var/log/deploy.log on the Aria Automation node shows log snippet " Unable to read Aria Automation certificate configuration for 'lb' : Missing certificate configuration for lb " .
Aria Automation 8.18.x
This issue occurs due to the Certificate as the handshake fails and couldn't be parsed.
Follow the steps from Replacing the vRealize Automation default SSL certificate to force the certificate installation .
Try updating the certificates and forcing the current certificate chain using command : ' vracli certificate ingress --set stdin --force ' didn't work .
Validate connectivity inter Aria Automation node by executing command ' openssl s_client -connect IP_addess_AriaAutomation_node :443 ' and the output returns # Result: no peer certificate available
Check if the certificate for the Aria Automation has been issued by an Internal Certificate Authority.
Confirm that the browser URL for the Aria Automation has no certificate loaded.
Perform Inventory Sync and Retrust LB for the Aria Automation and make sure, it's successful.
Validate the Aria Automation LB is configured as SSL passthrough .
Regenerate a new Certificate and replace certificate for the Aria Automation using the Aria Suite Lifecycle Manager by following steps from How to Replace VMware Aria Automation Certificates Using Aria Suite Lifecycle