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(click "Net" then "Config"). Go to the "Update" tab and force a "Check for updates" and "Download update" even if it says it is up to date. Register the Device

Running an outdated version of VCDS with newer firmware can cause licensing conflicts. Download the latest version from the official Ross-Tech site and reinstall it. 4. Roll Back USB Drivers

Some clone cables can be brought back to life using an M-Prog tool to rewrite the EEPROM. This requires finding the specific firmware dump for your clone cable type (Hex-USB+CAN, etc.) 1.2.1. Vcds License Revoked Fix

Open your VCDS installation folder (typically C:\Ross-Tech\VCDS\ ). Locate and launch the application named .

If the VCDS software attempted to update the firmware on a HEX-V2 or HEX-NET interface and was interrupted, the interface might become corrupted, leading to a revocation error. (click "Net" then "Config")

Always use the official Ross-Tech software.

Once you fix the issue, don't let it happen again. Download the latest version from the official Ross-Tech

: Open your programming software on the PC, load a verified, un-blacklisted VCDS EEPROM dump file, and write it to the chip. This restores the original, working serial number to the cable.

If your VCDS (VAG-COM Diagnostic System) shows "License revoked" or a similar license error, the usual causes are: corrupted license file, hardware ID mismatch (dongle/USB token change), firmware or software update incompatibility, or expired/invalid license key. This guide gives step-by-step fixes and preventative tips.

VCDS License Revoked Fix: Troubleshooting "Interface Not Authorized" Errors

Go directly to the official Ross-Tech website and download the newest stable release of VCDS.