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NewVCF 9.1: Fixing “Hot migration is disabled in vmkernel” and Making It StickNewFixing a VCF Services Runtime etcd That Can’t Start: 5.4 Million Keys and a Runaway Support BundlePostAutomating Let’s Encrypt Certificates on VMware Avi Load Balancer with Cloudflare DNSPostVMSP Toolkit 3.0.1 for VCF 9.1: Rollouts, Topology and Infrastructure ChecksPostSDDC Manager 9.1 Stuck in a Login Loop? Check the Clock, Then the Root PasswordPostVCF 9.1.1: One Host, One NFS Cluster, and a Validator That Wouldn’t BudgePostClearing the “Virtual Machine UEFI Secure Boot Platform Key is out of date” Alarm After VCF 9.1.1PostVCF 9.1.1: Scaling VCF Management Services from HA back to Simple
NewVCF 9.1: Fixing “Hot migration is disabled in vmkernel” and Making It StickNewFixing a VCF Services Runtime etcd That Can’t Start: 5.4 Million Keys and a Runaway Support BundlePostAutomating Let’s Encrypt Certificates on VMware Avi Load Balancer with Cloudflare DNSPostVMSP Toolkit 3.0.1 for VCF 9.1: Rollouts, Topology and Infrastructure ChecksPostSDDC Manager 9.1 Stuck in a Login Loop? Check the Clock, Then the Root PasswordPostVCF 9.1.1: One Host, One NFS Cluster, and a Validator That Wouldn’t BudgePostClearing the “Virtual Machine UEFI Secure Boot Platform Key is out of date” Alarm After VCF 9.1.1PostVCF 9.1.1: Scaling VCF Management Services from HA back to Simple
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Latest VCF Oct 18, 2026

VCF 9.1: Fixing “Hot migration is disabled in vmkernel” and Making It Stick

This one caught me in the lab while I was moving VMs off a management domain host ahead of some maintenance. vMotion failed almost instantly, and vCenter gave me one…

Intermediate 5 min read ✓ Verified Oct 2026
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All VCF Cloud Events vCenter NSX Troubleshooting Networking Hardware
VCF Expert Oct 14, 2026

Fixing a VCF Services Runtime etcd That Can’t Start: 5.4 Million Keys and a Runaway Support Bundle

All of this was done in my home lab. A few of the steps (deleting keys directly from etcd, suspending Flux, running etcd outside of its StatefulSet) are…

34 min read
Expert 34 min read ✓ Verified Oct 2026
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VCF Intermediate Oct 11, 2026

Automating Let’s Encrypt Certificates on VMware Avi Load Balancer with Cloudflare DNS

This is a community script, not something Broadcom supports. Run it against the Let's Encrypt staging environment first and make sure you understand what it does before you…

20 min read
Intermediate 20 min read ✓ Verified Oct 2026
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VCF Advanced Oct 6, 2026

VMSP Toolkit 3.0.1 for VCF 9.1: Rollouts, Topology and Infrastructure Checks

VMSP Toolkit is an independent project built for lab and proof of concept environments. It is not a Broadcom product and Broadcom does not support it.The Broadcom resize…

11 min read
Advanced 11 min read ✓ Verified Oct 2026
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VCF Advanced Sep 30, 2026

SDDC Manager 9.1 Stuck in a Login Loop? Check the Clock, Then the Root Password

I went to log into SDDC Manager in the lab and never made it to the dashboard. The browser went to the vCenter SSO page, came back to…

8 min read
Advanced 8 min read ✓ Verified Sep 2026
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VCF Expert Sep 22, 2026

VCF 9.1.1: One Host, One NFS Cluster, and a Validator That Wouldn’t Budge

Changing the host minimum for an SDDC Manager cluster is not supported by Broadcom. Everything in this post modifies SDDC Manager bytecode to get around a check the…

11 min read
Expert 11 min read ✓ Verified Sep 2026
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VCF Intermediate Sep 21, 2026

Clearing the “Virtual Machine UEFI Secure Boot Platform Key is out of date” Alarm After VCF 9.1.1

Tested on VCF 9.1.1.0, September 2026 After upgrading to VCF 9.1.1, a new warning showed up on a handful of my VMs and rolled up to the cluster…

8 min read
Intermediate 8 min read ✓ Verified Sep 2026
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VCF Management Services control plane scaled from three nodes to one
VCF Expert Sep 20, 2026

VCF 9.1.1: Scaling VCF Management Services from HA back to Simple

Scaling VCF Management Services down from HA to Simple is not supported by Broadcom. The VCF Operations UI only scales up, and everything in this post goes around…

16 min read
Expert 16 min read ✓ Verified Sep 2026
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VCF Expert Sep 18, 2026

VCF 9.1.1 worker rightsizing: PodDisruptionBudgets, and why it does not stick

Everything here was done in my own home lab. The rightsizing script itself comes from a Broadcom KB and is supported, but several steps in this post go…

19 min read
Expert 19 min read ✓ Verified Sep 2026
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VCF Advanced Sep 7, 2026

VCF 9.1.1 – Operations flagged an expired certificate that did not exist

The certificate dashboard in VCF Operations told me one of my workload domains, running vCenter 9.1.1, had an expired certificate. Eight total, one expired, seven active. The row…

8 min read
Advanced 8 min read Updated Sep 22
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Backup target card showing SFTP error ErrCode 200 and a successful SMB backup
VCF Intermediate Sep 5, 2026

VCF 9.1.1: When vCenter’s SFTP Backup Fails Before It Starts

A VCF 9.1.1 upgrade blocked by vcenter.deployment.migration_upgrade.no_recent_vcenter_backup.error, a vCenter SFTP backup that fails in 31 milliseconds without touching the network, and the workaround that actually ships. vCenter 9.1…

8 min read
Intermediate 8 min read ✓ Verified Sep 2026
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Recent posts

  • VCF 9.1: Fixing “Hot migration is disabled in vmkernel” and Making It Stick
  • Fixing a VCF Services Runtime etcd That Can’t Start: 5.4 Million Keys and a Runaway Support Bundle
  • Automating Let’s Encrypt Certificates on VMware Avi Load Balancer with Cloudflare DNS
  • VMSP Toolkit 3.0.1 for VCF 9.1: Rollouts, Topology and Infrastructure Checks
  • SDDC Manager 9.1 Stuck in a Login Loop? Check the Clock, Then the Root Password
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