VirtualBox 开启 vrdp 认证 mstsc

https://www.virtualbox.org/manual/UserManual.html#vrde

C:\Program Files\Oracle\VirtualBox>VBoxManage setproperty vrdeauthlibrary "VBoxAuthSimple"
C:\Program Files\Oracle\VirtualBox>VBoxManage modifyvm "Win7x64" --vrdeauthtype external
C:\Program Files\Oracle\VirtualBox>VBoxManage setextradata "Win7x64" "VBoxAuthSimple/users/administrator" 1b2c138fba0d3345f92f14a5911d1c7bcc1faff310560be68ac399ab8673fead