Hi,
a customer had the problem that he couldn’t install a custom certificate, reset all ceritifcates etc. with the vCenter certificate manager /usr/lib/vmware-vmca/bin/certificate-manager.
He had canceled a previous attempt and from now on an error
Certificate Manager tool do not support vCenter HA systems
occured although he hasn’t enabled vCenter HA.
Continue reading vCenter: Installing of a custom certificate failed