Get-DPInstExitCodeInformation.ps1

param(
    [string]$ExitCode
)

# http://www.msierrors.com/drivers/dpinst-exit-codes-explained/

$DPInstInfo = New-Object psobject @{
    PackageInstallationFailure = $false
    RebootRequired = $false
    <#
    OperationStatus = 0
    DriversInstalled = 0
    DriversCopiedToDriverStore = 0
    DriversNotInstalled = 0
    #>
}

# Parse the number as a HexNumber and store it as UInt32 because the highest bit indicates a package install failure.
$ExitCodeUInt32 = [UInt32]::Parse($ExitCode,([System.Globalization.NumberStyles]::HexNumber))
# The highest 8 bytes tells us how it went and if we need to reboot afterwards
$DPInstInfo.OperationStatus = (($ExitCodeUInt32 -band 0xFF000000) -shr 24)
# Number of driver packages that could not be installed - This should always be zero
$DPInstInfo.DriversNotInstalled = (($ExitCodeUInt32 -band 0x00FF0000) -shr 16)
# Number of driver packages that have been copied to the driver store but haven’t been installed on a device
$DPInstInfo.DriversCopiedToDriverStore = (($ExitCodeUInt32 -band 0x0000FF00) -shr 8)
# Number of driver packages that have been installed on a device
$DPInstInfo.DriversInstalled = (($ExitCodeUInt32 -band 0x000000FF))


Switch ($DPInstInfo.OperationStatus) {
    0x80 {
        $DPInstInfo.PackageInstallationFailure = $true
    }
    0x40 {
        $DPInstInfo.RebootRequired = $true
    }
}

$DPInstInfo