How to show OOBE for AzureAD Join after OSD with SCCM

I am writing this post because I am lazy and already have Configuration Manager in my lab. But it is useful in other scenarios as well to get the latest version of Windows 10 on a computer before testing AzureAD Join/Autopilot for example.
When I am testing more and more scenarios with AzureAD Join and Autopilot I ended up doing this little workaround to be able to deploy Windows 10 using Configuration Manager, uninstall the SCCM client and then reboot the machine and come up in OOBE.

Fellow MVP Per Larsen wrote a blog post on how to do it with MDT a while back which is great, if you use MDT have a look at it https://osddeployment.dk/2016/08/26/how-to-show-oobe-for-azuread-join-after-mdt-deployment/

I use a little Powershell script that uninstalls the SCCM client and then run Sysprep on the machine which I trigger using the SMSTSPostAction command.

The PowerShell script.

Start-Process -FilePath "C:\Windows\ccmsetup\ccmsetup.exe" -ArgumentList "/Uninstall" -wait
Start-Process -FilePath "C:\windows\system32\sysprep\sysprep.exe" -ArgumentList "/oobe /reboot"

I created a package of the script and added a small file called copy.cmd file to copy the PowerShell script to C:\Windows\temp so it can be executed from there.

I run the script the last thing I do and then I let the SMSTSPostAction execute the script.

The end result is as expected a Windows 10 machine in OOBE and can be AzureAD Joined.

It saved me time when testing AzureAD Join and Autopilot in my lab, with different versions of Windows 10. I hope it will save you time as well.

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