QuickBooks 12000 series errors, such as 12002, 12009, 12029, and 12031, occur when QuickBooks Desktop cannot successfully connect to the internet while downloading payroll or software updates. This primarily happens due to incorrect browser settings or interference from security software like antivirus programs or firewalls. Let’s understand in detail why this series of errors appears and how you can fix it. 

Possible Causes Of QB 12000 Series Errors

In this segment, we will discuss what are the possible causes of QB 12000 series errors. 

• Your Internet Explorer settings might be incorrect. 
• Interference from security software like antivirus programs or firewalls can be the prime reason for 12000 series errors such as QuickBooks error 12007 and QuickBooks Error Code 12029.
• An outdated QuickBooks version can also cause this error in your device.
• When your internet connection settings are not set up accurately, you may face these errors. 

Eliminating 12000 Series Errors 

After identifying the correct reasons, the troubleshooting process can be easier. We have provided some verified steps below. Following these steps, you can rectify these errors and establish an interrupted connection to QuickBooks. 

Solution 1: Adjust Internet Explorer Settings

To resolve the error and ensure a smoother QuickBooks payroll update process, follow these steps to review and adjust your Internet Explorer settings:

• Make sure QuickBooks is not running.
• Launch Internet Explorer on your computer.
• Click on the "Tools" menu. 
• If you don’t see it, press the "Alt" key.
• Now, you can see the menu.
• Select "Internet Options."
• Go to the "Security" tab.
• Click on the Globe icon.
• Set up your security level to "Medium-high" or lower.
• Switch to the "Connections" tab.
• Select "Never Dial a Connection" if you do not use dial-up.
• If you use dial-up, choose your Internet Service Provider (ISP) from the list.
• Click on "LAN Settings."
• Ensure "Automatically detect settings" is checked.
• Now, verify if the "Use a Proxy Server" option is clear.
• If "Use a Proxy Server" is checked, record the address and port, then uncheck it temporarily for testing purposes (especially if the port is 80), and click 'OK.'
• Move to the "Advanced" tab.
• Click "Restore Advanced Settings."
• Check the box for "Use TLS 1.2." 
• (This option may or may not show in your versions of IE)
• Click "OK."
• Save your changes.
• Close Internet Explorer.
• After that, restart your computer.
• Launch QuickBooks Desktop.
• Attempt the update again.
• See if the issue is resolved.

Recommended to read : QuickBooks Event ID 4: Authentic Troubleshooting Tactics

Solution 2: Update QuickBooks

• Open QuickBooks Desktop.
• Click on the "Help" menu.
• Select "Update QuickBooks Desktop."
• Go to the "Update Now" tab.
• Check "Reset Update" 
• Click "Get Updates."
• Wait till the download is complete.
• Click "Install Now." 
• Install the updates.
• Verify the update.
• Lastly, check for the error.

Conclusion

Connection errors in QuickBooks can be quite difficult to resolve, but with the help of this guide, you can successfully resolve QuickBooks 12000 series errors and ensure a seamless workflow.

You may read also : QuickBooks Payroll Tax Table Update: Full Technical Guide