[Skunkworks] connecting MIcrosoft VDI from UBuntu RDP clients

Hello Guys, Has anyone successfully made it in connecting to M$ VDI from ubuntu Remmina/xfreerdp/vigagre/freerdp etc? I have scratched my head whole morning to no avail. Gugu isnt helping if not to tell me "not possible" BTW not me using windows vdi:) -- i hate it lets start there. Please share thoughts if you can. Kind Regards, Wilson./