PowerShell script :: Set "Share Across Devices" settings in Windows 10

SetShareAcrossDevicesSettings.ps1

##########################
#  Sets "Share Across Devices" settings in Windows 10 to On/My devices only.
# - DPO, Jan. 2020
##########################

$path1 = 'HKCU:\Software\Microsoft\Windows\CurrentVersion\CDP'
$path2 = 'HKCU:\Software\Microsoft\Windows\CurrentVersion\CDP\SettingsPage'

$regKeys = @{
    CdpSessionUserAuthzPolicy = '1'
    NearShareChannelUserAuthzPolicy = '1'
    RomeSdkChannelUserAuthzPolicy = '1'
}

if (!(Test-Path $path1)) {
    New-Item -Path $path1 -Force | Out-Null
}

foreach ($regKey in $($regKeys.Keys)) {
    New-ItemProperty -Path $path1 -Name $regKey -Value $regKeys[$regKey] -PropertyType DWORD -Force | Out-Null
}

if (!(Test-Path $path2)) {
    New-Item -Path $path2 -Force | Out-Null
}

New-ItemProperty -Path $path2 -Name 'RomeSdkChannelUserAuthzPolicy' -Value $regKeys['RomeSdkChannelUserAuthzPolicy'] -PropertyType DWORD -Force | Out-Null