According to Intuit, error code 12029 can occur when updating QuickBooks or updating a QuickBooks payroll service. The error is caused by:
- a network timeout that is preventing QuickBooks from accessing the server
- internet connection problems
- internet security or firewall settings that are blocking the connection
- the fact that Internet Explorer may not be the default browser
- incorrect SSL settings
Troubleshooting this error depends on the situation in which the error occurred.
Situation 1 – The Error Occurred Updating QuickBooks Itself
Check your Internet Connection Setup in QuickBooks from the Help->Internet Connection Setup menu selection. Verify that your connection is set to use your computer’s internet connection settings, as shown below.
Click Next.
Click Done and try to perform the update again.
For more information troubleshooting this error when updating QuickBooks itself, consult this Intuit knowledge base article.
Situation 2 – The Error Occurred Updating a QuickBooks Payroll Service
Check your Internet Connection Setup in QuickBooks from the Help->Internet Connection Setup menu selection. Verify that your connection is set to use your computer’s internet connection (screen shot shown above) and click Next. Click the Advanced Connection Settings… button to display the Internet Properties window. On the Advanced tab, verify that Use SSL 2.0 and Use SSL 3.0 are checked. Click Apply and then Ok. Keep in mind that this change will affect your connection to the internet using Internet Explorer.
Close and re-start QuickBooks; attempt to update the QuickBooks payroll service. For more information troubleshooting SSL settings, consult this Intuit knowledge base article.
If your Internet Properties were set correctly, the error may be caused by security or firewall software blocking access to certain programs. Consult this Intuit knowledge base article to troubleshoot access for QuickBooks programs.
For more information troubleshooting this error when updating a payroll service, consult this Intuit knowledge base article.