Registration-activation Error 015.111 Autocad 2020 Jun 2026

Error 015.111 can occur if your hosts file is redirecting Autodesk activation servers to a local (127.0.0.1) address. This is common if you previously used a crack or patch.

Autodesk’s official documentation for this error is famously terse, usually suggesting a full clean uninstall using the Microsoft Installer CleanUp Utility. But the surgical fix is more elegant: registration-activation error 015.111 autocad 2020

AutoCAD 2020 relies on FlexNet Publisher (formerly FLEXlm). When you uninstall a previous version (2018, 2019, or a failed 2020 trial), Windows often leaves behind a corrupted file or orphaned registry keys in HKEY_LOCAL_MACHINE\SOFTWARE\FLEXlm License Manager . Error 015.111 appears when the new activation tries to write to a registry hive that contains stale, incompatible checksum data from a prior license. Error 015

If permissions aren't the issue, the background service handling the licensing might simply be "stuck" or disabled. Resetting this service can force AutoCAD to attempt a fresh handshake with the activation servers. But the surgical fix is more elegant: AutoCAD

This tool reinstalls the AdskLicensingService component, which is the primary cause of error 015.111.

using the original installer (Run as Administrator).