How am I supposed to get rid of the QuickBooks error 15215 successfully? 

To remove the error effectively and permanently, you must check for Internet Explorer settings. Check out the entire process below-

1. After quitting the QuickBooks Desktop application, access Internet Explorer.
2. Now, click on the ‘Tools’ menu and then choose Internet Options.
3. In the following window, you must visit the ‘Advanced’ tab and then move to ‘Settings’.
4. Further, search for the ‘Use TLS 1.0’, ‘Use TLS 1.1’ and ‘Use TLS 1.2’ checkboxes.
5. Once located, you must mark the ‘Use TLS 1.0’ checkbox and remove the checkmark from ‘Use TLS 1.1’ and ‘Use TLS 1.2’.
6.Next, hit the OK button to exit the window and then close Internet Explorer as well. 
7. At last, re-launch your computer device and then run QuickBooks to update the payroll service. 

If you have any other questions about the QuickBooks error 15215, then reach out to the team of QuickBooks experts at their Toll-Free 1.855.738.2784