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.
Read article →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.
PSOD #GP Exception 13 in world vmotionRecvH during vMotion on ESX 9.1 (KB 455306): the PSOD screen text, why more than 16 stream helpers crash the host, and the workaround.
VCF 9.1 known issues from 973 Broadcom KBs in September 2026: upgrade traps, urgent PSODs, blocked paths, licensing, SSO and 12 how-to fixes with CLI.
How to size SAP HANA VMs on VCF 9 around NUMA: whole or half sockets, vCPUs equal to threads, memory per socket after ESX overhead, the VM settings that matter, and how to check placement with esxtop and sched-stats.
Broadcom's vcf-cert-tool (KB 445742) fixes expired internal certificates on vCenter, ESX, NSX, Supervisor, VCF Operations and Cloud Proxy from one menu-driven CLI. Supported versions, download and how to run it.
iSCSI port binding with esxcli: list, add and remove network portals, what --force does, and how to clear active iSCSI sessions safely.
Native Key Provider vs external KMS vs Trust Authority, how to set up and back up an NKP, how to add a vTPM, and what breaks if you skip the backup.
The four checks that decide VCF 9 hardware support: BCG listings, CPU KB 318697, ESX 9 deprecated devices and vSAN ESA certification with a fresh HCL DB.
