Windows Registry Editor Version 5.00

; Credit: Lonnie Huchinson's comment at http://rogierg.blogspot.com.au/2007/03/run-vnc-and-rdp-from-hyperlinks.html

[HKEY_CLASSES_ROOT\rdp]
@="URL:Remote Desktop Connection"
"URL Protocol"=""
[HKEY_CLASSES_ROOT\rdp\DefaultIcon]
@="%SYSTEMROOT%\\System32\\mstsc.exe"
[HKEY_CLASSES_ROOT\rdp\shell]
[HKEY_CLASSES_ROOT\rdp\shell\open]
[HKEY_CLASSES_ROOT\rdp\shell\open\command]
@="cmd /V:ON /s /c set url=%1 && set url=!url:rdp:=! && set url=!url:/=! && start %%SYSTEMROOT%%\\system32\\mstsc.exe /v:!url!"