What are the Ways to Resolve QuickBooks Error 12002?

Are you irritated by getting error 12002 in your system? When you get the error code 12002 in QuickBooks, you have a network issue. Multiple reasons regarding their network can cause this error in your system while operating on QuickBooks. Are you looking for ways to remove this QuickBooks error 12002?

You can also pay the network time out if your system is slow. Also, if you have a school internet connection or any Firewall is blocking your internet access, you will such error on your screen. In this article, we will explain all the possible reasons and solutions to the QuickBooks payroll error 12002. So, keep reading!

About the QuickBooks Error 12002

The QuickBooks error 12002 can appear on your QuickBooks when you have a poor internet connection or are facing a network timeout while working on QuickBooks. The error popup with notification of network time out leads to QuickBooks accessing server timeout. And you will also get a help setting option which will guide you to the steps you can follow to reconnect to the internet in your system.


What Causes QuickBooks error code 12002?

There is a list of some reasons that can cause this error:

  • Network time out or server time out due to poor connection of your internet service provider.
  • The SSL setting is incorrect.
  • The system’s firewall is causing blockage due to the Internet Security Services.
  • Default browser setting problem in internet explorer

Necessary measures to take before troubleshooting.

  • Backup company file: It is essential to back up the company file before restoring any data or service because if you try to uninstall the software, it will delete all your data entirely from the application. And there is no procedure to recover that data.
  • QuickBooks update: Sometimes, working on an old version can cause a network timeout issue or give a server timeout notification. To avoid such problems, constantly update your QuickBooks software before using tricks or methods to resolve the issues.

If you want to update your QuickBooks or uninstall it, always create a backup and save it for later. These precautions are essential as they can prevent any loss to the company file. However, by taking this precaution, only you can resolve the significant errors and problems in QuickBooks in any case.

Methods to Fix Error Code 12002 in QuickBooks

Following are the quick methods in order to troubleshoot the QuickBooks error code 12002:

Method 1: Verifying the setting of Internet Explorer

  • Open your Internet Explorer browser
  • Click on the Tools button in the taskbar
  • Drag the cursor towards the internet option.
  • Look for a security setting and change your security setting two medium or high if it is on Low.
  • No press the left click on the globe icon.


  • Select content tab
  • Enable the content advisor button.

After setting up the Internet Explorer setting, go for the internet options setting.

  • Go to the advanced setting of the internet option
  • Ticks mark the TLS 1.0, TLS 1.2, and TLS 1.1, verify all the marks, and press applies then ok.


  • Also, disable the proxy server and VPN that can slow your internet speed.

Method 2: Repairing internet connection

For any reason, if your internet server is not providing the proper download and upload speed.

  • Go to the internet access setting.


  • Open Network and sharing center
  • It will display your internet connection either from Wi-Fi or LAN cable.
  • Click on the troubleshooting button to instant repair any leading to slow internet service.
  • Moreover, you can add another network connection by setting up a new one.
  • Now you can use your Wi-Fi or another network service to connect to your system.
  • You can also reconnect the previous internet connection, which will refresh the network and get perfect internet service.

Check if any other network is securing your Wi-Fi network due to this collapse of two different networks. Internet speed will decrease in case another network overtakes your network. Also, ensure that your Windows firewall is not blocking any connection due to your browser’s internet setting or VPN setting.


The primary reason behind the QuickBooks error 12002 is the network problem only. Many situations can reduce your internet speed, and you won’t be able to operate QuickBooks properly. This error can be seen on your system if you have a poor internet connection, or the QuickBooks is facing server time out due to network issues or system insufficient space.

There are some easy ways to fix QuickBooks error 12002. Moreover, you can also take help from our QuickBooks payroll Error Support experts. Also, if you require assistance, you can connect with us through our toll-free number 1-800-615-2347 and live chat.

Read Also:

Fix QuickBooks Error 6000, 82 when Accessing the Company File

Steps to Fix Why QuickBooks Desktop Won’t Open Error

About Olivia Watson

Olivia Watson is the co-founder of Axpert Advisor that works towards providing accounting and bookkeeping services. She has a keen interest in exploring the world and also loves spending time with the beauty of nature.

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