VCF 9.1 Known Issues: October 2026 KB Roundup
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.
The “VCF” blog category focuses on VMware Cloud Foundation, an integrated cloud infrastructure platform from VMware. This category features a variety of content, including detailed tutorials, case studies, analytical articles, and the latest updates related to VMware Cloud Foundation.
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.
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.
Which vCenter or VCF certificate is failing, and which tool fixes it: an alarm-to-fix map for vCenter 7, 8 and 9, vCert vs lsdoctor, and auto-renewal.
How a custom CA changes VCF 9 certificate operations: what Fleet Management auto-renews, what stays manual, and how new ESX hosts must be onboarded.
vCenter 8.0 U3h and VCF 9.0.2 renew VMCA Machine SSL and ESXi certificates automatically. What is covered, which thresholds apply, where vCert fits.
Renewed Machine SSL but port 3128 still shows an old cert? What vCert's LEGACY STS result means and how to move STS to MACHINE_SSL_CERT.