Try to collect the ESXi host vm-support bundle by Export System Logs , but wizard of data collect show "Logs for this object cannot be exported at this time. Another log export might be in progress."
Checked the vCenter certificate mode refer to https://knowledge.broadcom.com/external/article/402499/getting-logs-for-this-object-cannot-be-e.html , it is VMCA .
ESXi 8.x
The vCenter connected the ESXi host by FQDN , but vCenter server can not resolved the FQDN of ESXi host as issues happened .
1 Check the DNS server , add the correct ESXi host entry in DNS server .
2 Added the ESXi host entry into vCenter's /etc/hosts file for FQDN resolve .