Assetto Corsa Is Obsolete — V1.16.3 Is Required
Your copy of Assetto Corsa is not obsolete. The error message is just a cry from an older server that needs a little white lie to let you in. Have you fixed the "v1.16.3 is required" error using version spoofing, or did you downgrade your Steam build? Let us know in the comments below.
Here is the catch: Modern versions of CSP (specifically versions 0.2.0 and above) trick the game into reporting a fake version number to the server to ensure compatibility. Specifically, many server configs look for because that was the last stable "vanilla" version before CSP fundamentally altered the netcode. assetto corsa is obsolete v1.16.3 is required
If you are a sim racer who enjoys the limitless world of modding in Assetto Corsa , you have likely been greeted by a frustrating red wall of text recently. It appears when you try to join a specific online server or launch a particular modded car. The message reads: Your copy of Assetto Corsa is not obsolete
If you check your Steam properties, the final public build of Assetto Corsa (including all DLC) is (or v1.16.3 for some legacy branches). Kunos Simulazioni stopped developing the title years ago to focus on Assetto Corsa Competizione . So why is a server demanding a version that is lower than the current Steam build? Let us know in the comments below
If you see this error again, don't panic. Don't uninstall. Just open Content Manager, update your CSP, and spoof the number. You’ll be back on the Nordschleife in traffic within two minutes.

