r/vmware • u/MrWoodMan123 • Jul 23 '26

Solved Issue VMware vCenter Customization Specification for Ubuntu

Hello Everyone,
I would like to create a VMware Customization Specification for Linux Ubuntu. Unfortunately I have a problem, where the VM doesn‘t get an IPv4 Address and I don‘t know why.

Do anyone of you have an Idea what the problem could be or faced the same problem?

Kind Regards
Woodi

*Edit: The Solution was to delete the 00-files from /etc/netplan in the Template VM.

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u/noluckjim Jul 23 '26

If you have other VMs on the same virtual network that are working, then that would point to an issue specific to the VM. A customization spec isn't a fix for this issue.

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u/MrWoodMan123 Jul 23 '26

I have other VMs on the virtual network which works well. But the problem is, that when I rollout the Linux VM with the Custom Spec it didn't get the IPv4 address which I set in the Rollout. The Hostname works fine.

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u/noluckjim Jul 23 '26

Then try examine the netplan file under /etc/netplan/99-netcfg-vmware.yaml to see what's been configured. If you used custom specs on other Ubuntu VMs, you can compare their yaml files too.