Upgrading from vSphere 8.x to VCF 9.0 (no Aria components)
An overview of the upgrade path for upgrading a vSphere 8.x environment that is not running Aria Operations to a VCF 9.0 Fleet.
vdan.cz/tools is a Progressive Web App: add it to the home screen on Android (Chrome, Firefox) or iPhone (Safari) and all 32 tools open full screen like a native app. Steps, what you get, and how it works.
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.
VCF 9.1.1 known issues from 1,562 new Broadcom KBs in October 2026: upgrade blockers, the Brotli CVE workaround, urgent NSX and ESX defects and 12 how-to fixes with CLI.
