QuickBooks internal issues can sometimes cause problems for users while running the monetary tasks. QuickBooks Error 6123, 0 appears while opening/sharing the company file and stops users from using the file for accounting tasks. In case you also run into this QBDT error, keep reading the blog till the end to figure out why this error develops and the relevant methods to get rid of it.

Reach out to our QB support team at +1-855-738-2784 for troubleshooting guidance to rectify the error.

Potential causes of this company file error’s occurrence

You’ll face error 6123 in QuickBooks when you try hosting the company file on a multi-user network. Here are the reasons this error stops you from executing company file tasks in QuickBooks-

  • Your QBDT is missing the folder permissions required to access the data file folder, due to which it can’t access the company file.
  • Your system data is damaged due to a virus attack or corruption in your hard disk.
  • Server user in the multi-user network has accessed the company file in single-user mode.

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Reliable methods to remove the data file error

Your QB will fall prey to issues whenever you try performing any monetary task involving the company file. Some techniques that you can utilize to counter the data file error are mentioned below-

Solution 1- Provide folder permissions to your QuickBooks user account

QuickBooks can face problems opening or sharing the data files if it fails to access the file’s location due to a lack of folder permissions. QuickBooks error code 6123 0 fills up the screen when you give the command to open a data file, and the software fails to connect with the file due to restrictions. You must always use QBDT in your Windows account to prevent it from getting blocked by Windows Firewall and grant it special access to all the system files. You can also configure the folder permissions as shown in the steps mentioned below-

  1. Go to the company file folder location on your PC using a file explorer.
  2. Right-click the data file folder and hit the Properties option in the list.
  3. Navigate to the Security tab and single-click the Users option.
  4. Find your Windows account in the list and highlight it with a single click.
  5. Tap the Edit option and single-click the Full Control checkbox to allot the account all the permissions.
  6. Save the settings using Apply and close the security tab.

If QuickBooks still fails to perform the data file tasks, move to the next solution.

Solution 2- Repair your data file to ensure it runs smoothly on the software

QuickBooks can also face issues if the company file gets damaged and cannot be processed in the software. This can happen due to OS corruption, virus attacks, physical damage to the HDD, and many other reasons. You can use the QB tool hub to repair the data file, as shown in the following steps-

  1. Launch the QuickBooks tool hub and single-click the Company file issues option.
  2. Click the Quick Fix My file option and wait until the company file is fixed.
  3. Open the company file again in QuickBooks.


This blog provides insights into QuickBooks Error 6123, 0 that interrupts the data file tasks in the software. The appropriate ways to remove the error are also described in the blog, and we expect that they help to prevent the error from emerging again on your PC.

Contact our team of QB experts at +1-855-738-2784 if the solutions are too complex for you to apply.

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