Friday, January 27, 2023

Doable techniques to terminate QuickBooks Error 3120

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QuickBooks Point of sale is a renowned version designed for retail businesses and in-store sales. The software helps users to accept payments from various methods, and a line of credit also becomes an option. The software can help store owners manage their inventory per the customer’s needs and suggest suitable discount offers for the store products to ensure maximum sales. QuickBooks Error 3120 is an undesired instance that occurs while transferring financial data to QuickBooks Desktop at the end of the day. If you also faced this error during the financial exchange, stick to this blog till the end to figure out its triggers and methods to fix.

Get quick troubleshooting assistance from QB experts by giving them a call at 1-855-856-0042.

About the issue

QuickBooks POS helps you in sale transactions like purchasing and selling store products. The software stores the sales data throughout the day, which is then fed to QuickBooks Desktop after regular time intervals. This error mainly occurs while transferring financial data to QuickBooks Desktop at the end of the day. The transfer process will stop in between because the specified account is invalid, and you’ll receive an error message on your screen. You’ll have to fix this error before attempting the financial exchange again.

Recommended to read: How to fix QuickBooks Error 6144 82


The common reasons for the occurrence of this error are listed below-

  • Discrepancy between the actual payment made by the customer and the invoice amount.
  • Your version of QuickBooks Desktop, pro, premiere or Enterprise is outdated and causes issues while integrating with QuickBooks Point of Sale.
  • QuickBooks suffers from internal issues due to an incomplete installation on your PC.


The methods to get rid of this error from QuickBooks are given below-

Solution 1- Map the accounts properly

This issue can occur if the accounts aren’t mapped correctly n QuickBooks Point of Sale. Due to this, the software fails to validate the account during the financial exchange and falls prey to this error. Follow the steps given below to map your accounts correctly-

  1. Open QuickBooks Pont of sale on your computer.
  2. Click on File in the menu and select Preferences from the drop-down list.
  3. Choose the Company option.
  4. Select Accounts under financials.
  5. Verify that the accounts are mapped correctly by checking the basic and advanced tabs.
  6. Click on Save and retry running the financial exchange.

If the error persists, try the following method.

Solution 2- Update QuickBooks Desktop

An outdated version of QuickBooks can cause this error while running the financial exchange with QuickBooks Point of Sale. The transfer of data will fail if the QuickBooks version is unsupported. Follow the steps given below to fix this error by updating your QuickBooks Desktop-

  1. Open QuickBooks on your computer and click on Help.
  2. Click on Update QuickBooks Desktop and select Update Now.
  3. Tap on the Get updates option and wait for the update to download.
  4. Reopen QuickBooks and click Yes when prompted to install the update.
  5. Wait for your QuickBooks to update, then rerun the financial exchange.

The financial exchange will be successful after using these methods.


We are at the end of this blog that describes QuickBooks Error 3120 in Point of Sale and its reasons for emerging. Some methods to tackle this problem were also included in the clog, which can be used to make your QuickBooks error free again.

Contact a QB support team at 1-855-856-0042 for assistance if any queries are left.

Also read: Eliminating the QuickBooks Connection has been lost issue

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