21 ESXi advanced and kernel settings William Lam recommends for labs and consumer hardware, each with the exact esxcli command, the version it was written for, what changed since, and a deep link to the vDan ESXi settings explorer.
iSCSI port binding with esxcli: list, add and remove network portals, what --force does, and how to clear active iSCSI sessions safely.
Host Down or Host Disconnected in NSX? Which NSX host agent is behind it (nsx-proxy, nsx-opsagent, nsx-cfgagent, nsx-nestdb), how to check and restart it on ESX, and which logs to read.
Why an ESXi host stops at VMware Hypervisor Recovery or No hypervisor found, and how to fix it: KB 324877, Shift+R rollback, repair install.
Is Intel Skylake supported in ESX 9? Skylake-SP runs in Deprecated mode for all VCF 9.x (KB 428874), not beyond. Skylake-W stays discontinued.
What the UCSM 4.3(4a) VMware-v2 adapter policy sets on Cisco VIC (1 TX, 8 RX, 4096 rings, RSS) and when to use it vs VMWare or VMWarePassThru.
vSphere 8.0 Update 3 adds nConnect for NFS v4.1 datastores: multiple connections per session on one IP, extending session trunking.
vmss2core in 2026: where to download it, which .vmsn/.vmss/.vmem files it needs, -W/-W8/-N commands, WinDbg analysis and common errors.
Lost or corrupted .vmx? Rebuild it from vmware.log on ESXi 8 with a short shell script over SSH (KB 1023880), including the #!/bin/ash fix for ESXi 8.
vCenter 8.0 U2 can't edit settings of powered-on VMs with virtual hardware 9 or older in the vSphere Client. Symptoms, workarounds and resolution.
