Quick troubleshooting view
vCenter displays the host as Particulate or not.
- management network
- ESXi agents
- DNS/certificate
- Tester management IP
- Check direct access ESXi
- Control agents
- Repair management network
- Restart management agents with caution
- Reconnect host
Contextual technician plan
Ping and DNS.
The exact failing name should resolve through the expected DNS server to the expected record without timeout.
If the exact name resolves correctly, compare application cache, suffix/search domain and the client or network where the failure remains.
If resolution fails or returns the wrong record, keep the queried server and answer and correct the resolver, zone/record or DNS path that is actually wrong.
Distinguish host and vCenter.
“Check direct access ESXi” should produce an observation that clearly confirms or rules out “ESXi agents”.
If the observation is normal, lower “ESXi agents” in the ranking and continue with the next distinct check.
If the observation is abnormal, keep the evidence and investigate “ESXi agents” first. Related action: Restart management agents with caution.
Examine the log hostd/vpxa.
The exact failing name should resolve through the expected DNS server to the expected record without timeout.
If the exact name resolves correctly, compare application cache, suffix/search domain and the client or network where the failure remains.
If resolution fails or returns the wrong record, keep the queried server and answer and correct the resolver, zone/record or DNS path that is actually wrong.
Repeat the same validation test after the correction and confirm the original symptom is gone. Validate stability before closing the incident.
Before changing configuration, record the current value and a way back.
Escalader before restarting if critical VMs turn on the host.
vCenter displays the host as Particulate or not.
Causes probables
- management network
- ESXi agents
- DNS/certificate
Diagnostic étape par étape
- 1
Tester management IP
Ping and DNS.
- 2
Check direct access ESXi
Distinguish host and vCenter.
- 3
Control agents
Examine the log hostd/vpxa.
Solutions possibles
- Repair management network
- Restart management agents with caution
- Reconnect host
Escalader before restarting if critical VMs turn on the host.