It’s Always DNS: Debugging a VCF Management Services Bootstrap Failure during 9.1.1 bringup

In an effort to adopt signed certificates in my lab, I decided to do a fresh bringup on a domain I own rather than some random one I made up for my lab, for example:Old: wilson.labNew: mydomain.com For mydomain.com, to save having to create manual DNS entry for new services I bring up outside of … Read more

VCF 9.1.1 – SDDC Manager backup location fails with gateway timeout 504 error

Note: I am still investigating this, so whilst it looks like it might be the root cause, I am not 100% just yet. I’ll update once I confirm. I run SFTPGo in a container for my VCF file based backups, the reason is I want a clear security boundary for what VCF can (and cannot) … Read more

Integrating Authentik as an Identity Provider for VCF 9.1 SSO

Authentik is an Open Source Identity Provider which I currently use outside of my VCF homelab. William Lam has published a number of different posts about Authentik, one of which is how to use it as an IdP with vCenter. I figured I’d be able to use it as an Identity Source for VCF SSO … Read more

2026 VCF 9 Lab Update

After spending a bit of time tidying up cables in my rack, I figured I’d take the opportunity to write about my current setup. Here it is in all its glory: Not the greatest picture. From top to bottom: Here’s a diagram of how it’s all connected together. Not in the diagram is a UniFi … Read more

Nested VCF on Minisforum MS-A2 deployment time

I’m not going to run any benchmarks as there’s plenty of information out there, but what I’m going to do is deploy VCF on a single MS-A2 and time it, I’ve included times for deploying onto a single NUC Extreme, as well as a single Xeon host for comparison. To keep things as fair as … Read more

VCF 9 – how to add a host to an existing cluster?

I’ve been experimenting with VCF 9 in my homelab recently and I’ve been trying out some day 2 activities. Invariably, with homelabs you end up having to rebuild some (or all) of it as you experiment, and I found myself in that position. I do intend on writing a blog covering how my lab is … Read more

vCenter SSO LDAP integration failing with Server 2025

I recently upgraded my Domain Controller to the Server 2025. Not long after the upgrade, I noticed I could no longer sign into vSphere with AD accounts. Under Single Sign On in vCenter Server, against my domain I saw the following error message: A vCenter Single Sign-On service error occurred Under the configuration for LDAP … Read more

Upgrading HCX post 4.9 release

HCX 4.9 brought some licensing changes as well as offline/dark site support. Whilst it is still possible to upgrade using the well-known approach in the UI, you are now able to download the upgrade bundles. Whilst this is the only option for Local sites, it’s possible to use it for Connected sites, which might be … Read more