How to Upgrade SQL Server Evaluation Edition to Developer Edition

Six months ago today, you installed SQL Server Evaluation Edition. You told yourself you’d take care of that sooner or later, and…you forgot. Now, your SQL Server won’t start:

Error 17051: SQL Server evaluation edition has expired.

Awww, shucks. Good news though! You don’t have to uninstall & reinstall from scratch – there’s an easier way.

Go download SQL Server Developer Edition, and start the installation media download process. It’s going to download the bits into C:SQL2019. Once the download has finished, go into Maintenance, Edition Upgrade (at the top):

At this point, you may need to set the