Functions/Reset-MDMEnrollmentStatus.ps1
function Reset-MDMEnrollmentStatus { <# .Synopsis Resets Windows 10 MDM Enrollment Status. .Description If you get an error upon trying to register a Windows computer that the device was already enrolled, but you are unable or have already unenrolled the device, you may have a fragment of device enrollment configuration in the registry. Reset done according to https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/operations/configure-device-based-conditional-access-on-premises#troubleshooting .Example # Resets the Device Enrollment state and allows to rerun the MDM enrollment Wizard Reset-MDMEnrollmentStatus #> [CmdletBinding(SupportsShouldProcess)] param() if(-not (Get-IsAdmin)){ throw "Access Denied: The cmdlet needs to be executed with administrator priviledges." } #Locate correct Enrollment Key $EnrollmentKey = Get-Item -Path HKLM:\SOFTWARE\Microsoft\Enrollments\* | Get-ItemProperty | Where-Object -FilterScript {$null -ne $_.UPN} if ($PSCmdlet.ShouldProcess("Would you like to reset EnrollmentStatus to 0?")) { Set-ItemProperty -Path $EnrollmentKey.PSPath -Name EnrollmentType -Value 0 -Force } } # SIG # Begin signature block # MIIZwgYJKoZIhvcNAQcCoIIZszCCGa8CAQExCzAJBgUrDgMCGgUAMGkGCisGAQQB # gjcCAQSgWzBZMDQGCisGAQQBgjcCAR4wJgIDAQAABBAfzDtgWUsITrck0sYpfvNR # AgEAAgEAAgEAAgEAAgEAMCEwCQYFKw4DAhoFAAQUHL34XJbqifNGfPBZM6SbqM7+ # 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