Error sending shutdown command building Windows Server 2022/2025

[gianmarco-mameli]

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Packer Version

1.15.1

Packer Plugin Version

2.1.2

Plugin Builder

• vsphere-iso
• vsphere-clone
• vsphere-supervisor

Plugin Post-Processor

• vsphere
• vsphere-template

vSphere Version

8.0.3.00000

Description

Hi, I'm having trouble closing a build of Windows Server 2022 and 2025 via Packer on vSphere 8.0.3.00000.
The shutdown command it's a simple script to launch the sysprep but after it's correct execution and shutdown of the machine, the build goes to error, like the build doesn't know the correct launch and execution

Packer Configuration

Packer config
https://gist.github.com/gianmarco-mameli/3b879285dfa33e68e4e7bbca5ffddc28

sysprep.cmd content

cmd /c "C:\Windows\System32\Sysprep\sysprep.exe /generalize /oobe /shutdown"

Debug Output

https://gist.github.com/gianmarco-mameli/86c18f633a31f1064acc9715bab812c4

Panic Output

No response

Expected Behavior

The build is correctly closed and exported

Actual Behavior

The build fail, the log says the shutdown command it's not executed

Steps to Reproduce

Use the config provided an see the log

Environment Details

No response

Screenshots

No response

References

No response

[tanerg]

@gianmarco-mameli I'm facing the same issue, did you find any workaround?

[gianmarco-mameli]

Hi @tanerg, unfortunately no, I'm trying everything but I can't make it work