On the host machine, ensure drivers are current, as RDP relies on the WDDM (Windows Display Driver Model) to virtualize the desktop session. Summary Table: RDP Error 0x3 0x11 Error Type Protocol Handshake / Licensing Failure Layer 7 (Application) Primary Fix MSLicensing Registry Key Common Trigger Corrupt client-side certificates or NLA mismatches registry cleanup using a PowerShell script for multiple workstations?
This specific error is frequently linked to the cumulative update rdp 0x3 0x11