Turn Off UDP On Client

Supported on: At least Windows 8 or Windows RT

Registry

HKLM SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\Client

Value name: fClientDisableUDP

Enabled: fClientDisableUDP = 1

Disabled: fClientDisableUDP = 0

Description

This policy setting specifies whether the UDP protocol will be used to access servers via Remote Desktop Protocol. If you enable this policy setting, Remote Desktop Protocol traffic will only use the TCP protocol. If you disable or do not configure this policy setting, Remote Desktop Protocol traffic will attempt to use both TCP and UDP protocols.