Resolving QuickBooks Error 15101: It’s Not as Hard as You Think

Undoubtedly, QuickBooks Desktop can be considered an efficient and reliable accounting application. The easy-to-use features of QuickBooks Desktop assist in managing bookkeeping and financial activities efficiently. However, no matter how perfectly designed QuickBooks Desktop is, it is not entirely error-free. One such error is QuickBooks error 15101, which belongs to the 15xxx series errors of QuickBooks and arises when users try to update the payroll tax table or QuickBooks Desktop. Through this post, we will try our best to explain to you the reasons that can lead to QuickBooks update error code 15101 and the troubleshooting solutions that you can implement to get rid of it.

To get instant troubleshooting assistance resolving QuickBooks error 15101, feel free to contact our QuickBooks assistance team at (855)-856-0042.

What causes QuickBooks update error code 15101?

QuickBooks update error code 15101 often gets triggered when the security settings of Internet Explorer are faulty. Though, there are other reasons that can be behind it, such as:

  • The Windows Firewall security settings are blocking QuickBooks Desktop from accessing the internet.

Read moreQuickBooks Multi-User Mode Not Working

What are the ways to troubleshoot QuickBooks error 15101?

Solution 1) Manually set up the Internet Explorer security settings for QuickBooks

  • Go to the Internet Explorer web browser.
  • Click on the Tools menu.
  • Select the Internet Options option.
  • On the General tab, select the Delete option.
  • Checkmark the Temporary Internet files checkbox and click on the Delete button.
  • Move to the Connections tab and hit the LAN settings button.
  • Checkmark the Automatically Detect Settings checkbox.
  • Make certain that Proxy servers are clear unless you use one.
  • Click on the OK button twice.
  • Move to the Advanced tab.
  • Make sure that both the SSL 2.0 and SSL 3.0 checkboxes are marked.
  • Clear the Check for publisher’s certificate checkbox.
  • After that, checkmark the checkbox next to TLS 1.2.
  • Clear the checkboxes for TLS 1.0 and TLS 1.1.
  • Try to update QuickBooks Desktop to its latest release.

If you get QuickBooks error 15101 again, move ahead to the second solution.

Solution 2) Manually change the Windows Firewall security settings

  • Open Windows Firewall.
  • From the left pane, click on Advanced Settings.
  • Right-click Inbound Rules and then pick New Rule.
  • Pick the Port option and then click on Next.
  • Make certain that the TCP option is marked.
  • In the Specific local ports box, type the specific ports needed for your QuickBooks year release.
  • Hit the Next button.
  • Pick the Allow the Connection option.
  • Hit the Next button.
  • If required, make certain all profiles are marked.
  • Hit the Next button.
  • Create a new rule and name it “QBPorts(year).”
  • Hit the Finish button.
  • Repeat the aforementioned steps to create outbound rules this time.

Note: You need to follow all the same steps, except select Outbound Rules instead of Inbound Rules.


If you can’t rectify QuickBooks error 15101 even after going through the above-mentioned troubleshooting solutions, then the QuickBooks program files might have been corrupted. Hence, we advise you run the Quick Fix my Program tool to repair the QuickBooks program files. You can also ask for further troubleshooting help resolving QuickBooks update error code 15101 from our QuickBooks assistance team at (855)-856-0042.

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