Greetings: I'm a technical specialist with the moniker bizbooksadvice. Recognized as one of the most widely used systems for accounting, QuickBooks frequently encounters numerous issues, including QuickBooks Error 15217. A malfunctioning or improperly installed QuickBooks application and a service key that is still active are only two of the many possible causes of the issue. Thus, if QuickBooks Error 15217 is occurring for you, consider attempting these fixes. Don't worry if you're not a tech person. I can assist you as I have over 15 years of experience in this area.