VMware Certificate Authority (VMCA) is used within vSphere to secure connections between vCenter Server and ESXi hosts, but what if we need certificates for other systems? In a previous post, I used group policy to add the VMCA Root CA from a vCenter Server to the trusted enterprise root CAs…
In my lab I have a jump box that I typically use for management. It is joined to active directory and automatically trusts my primary CA root certificate. This CA issued the Machine SSL certificate for my vCenter Server, so when I go to that system I do not get…
Manually collecting log bundles from vCenter and hosts can be repetitive and time-consuming. Here’s how I automated the process with PowerCLI. I wanted a short script that would let me pick a vCenter server, then do the other relevant tasks: Troubleshooting: Underlying connection was closed When I attempted to use…
I was recently testing an application and wanted to see how it would behave if its connection to vCenter Server was interrupted. Would the process auto-recover? Would I need to restart a service? To find out, I simulated a connection failure using the built-in firewall on Photon OS. This type…
While troubleshooting a vCenter issue, I needed to replicate an environment where the vCenter Server had no internet access. This scenario is often seen in production but can be tricky to reproduce in a lab. This post will outline how I solved the issue quickly using incorrect default gateways and…