This monitor tracks the vCenter Alarm 'ESXi Host Certificate Status'.
By default, the alarm is triggered by the following events:
|▪||com.vmware.vc.certmgr.HostCertExpirationImminentEvent: ESXi Server certificate is about to expire.|
|▪||com.vmware.vc.certmgr.HostCertExpiredEvent: ESXi Server certificate expired.|
|▪||com.vmware.vc.certmgr.HostCertUpdatedEvent: ESXi Server certificate was updated.|
Try re-installing the ESXi Server certificate. For more information on installing and configuring certificates on ESXi hosts, see this VMware KB article.
See the VMware Online Documentation for more information on VMware vSphere, in particular: