Autodata 345 The Hardware Information Does Not Match With Your Dongle Best May 2026

A: Not directly. An update only works if the license file and dongle are already paired. You need to resolve the mismatch first.

If you are a workshop manager, print this guide and keep it next to the Autodata PC. And remember: – because one day, you will need it. Have a different Autodata error? Let us know in the comments, or contact your local Autodata distributor for region-specific support. A: Not directly

If you are an automotive technician or workshop owner who relies on for vehicle specifications, wiring diagrams, and repair times, you have likely encountered the dreaded Error 345 . The full message usually reads: "The hardware information does not match with your dongle. Please contact your supplier." If you are a workshop manager, print this

Published: October 2023 | Reading Time: 6 minutes Let us know in the comments, or contact

This error is frustrating because it locks you out of your entire database during a busy workday. But what does it actually mean? Is your dongle broken? Is your software corrupted? Or is this a licensing issue?

In this comprehensive guide, we will break down the technical meaning of Error 345, the six most common causes, step-by-step fixes, and how to prevent it from happening again. Autodata uses a hardware USB dongle (also called a key or lock) to verify that you have a legitimate license. The dongle contains a unique serial number and encrypted hardware ID.