VCF 5.2
Aria Operations 8.18
Aria Operations gathers certificate information from SDDC manager, using the VMware Infrastructure health (VIH) adapter.
When there is corruption of the SOS database on the SDDC manager, certificate information cannot be pulled.
SDDC SoS database corruption needs to be resolved as per the KB below;
Ensure all of the vCenter adapters are configured to collect on the same collector as the VCF adapter.