Symptoms:
Aria operations extension keep trying to download and failing with error in the vCenter Task
Error: Error downloading plug-in. Make sure that the URL is reachable and the registered thumbprint is correct. Unable to find certificate chain.
Plugin Server: https://1XX.XX.XXX.X:443/vrops-unicorn/plugin.zip
instance version: 8.14.0.0
Status: Failed
VMware certified: Unknown
Aria Operations 8.16.x
Aria Operations 8.18.x
Aria Operations is migrated to a different vCenter.
or
Aria Operations is upgraded
If the issue occurs after migration:
If the error occurs after upgrade:
If the above resolution does not resolve the issue open a case with technical support and mention this KB number