Patent attributes
A computer-implemented method for virtual desktop system to license and authenticate various user devices to access virtual desktop system, includes one or more of following operations: (a) establishing network connection between a user device and a virtual desktop manager, (b) receiving request from user device to obtain access token to access a target virtual desktop of a virtual machine, (c) verifying the user device registration and security policy, (d) generating a unique token with expiration by virtual desktop manager if user device is authorized, (e) providing unique token with expiration and security policy to user device, (f) establishing connection between user device and target virtual desktop of virtual machine using unique token with expiration and security policy, (g) verifying token with virtual desktop manager by virtual machine of target virtual desktop, and (h) allowing user device to access target virtual desktop of virtual machine if user device is authorized.