vmnic Switches During vMotion: Check ESXi TX Hang and NIC Firmware
When vMotion coincides with vmnic failover, switch port-down events and lost redundancy, build a timeline and check vmkernel.log for TX hang before changing teaming policy.
vCenter 8.0 U2 Cannot Edit Settings on Older VM Hardware
A focused fix for vCenter 8.0 U2 showing blank Edit Settings tabs on powered-on VMs with virtual hardware version 9 or earlier, including safe workarounds and the fixed release.
ESXi 7.x/8.x hostd Intermittently Not Responding: Log Checks That Matter
A field checklist for intermittent hostd not responding alarms on ESXi 7.x/8.x, with hostd and envoy log correlation, impact checks, and restart cautions.
VMXNET3 vs E1000E: Which VMware Network Adapter Should You Use?
A practical VMXNET3 vs E1000E comparison for VMware administrators, covering drivers, performance, compatibility, migration risk, offloads, RSS, and how to change adapters safely.
Adding Older ESXi Hosts to vCenter 8.x Failed: Certificate Thumbprint Timeout
A practical checklist for vCenter 8.x failing to add older ESXi hosts because certificate thumbprint validation times out.
vMotion Failed After ESXi Host Reboot: Checks I Run First
A practical checklist for vMotion failures after an ESXi reboot, covering vmkernel adapters, MTU, routing, licensing, host state, and network validation.