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Sometimes QuickBooks users encounter error code 6123, 0. QB users have reported this error, that the error 6123, 0 appears quite frequently nowadays. It’s pretty frustrating to see this QuickBooks error code 6123, 0 unknown. Typically, this error code usually appears when the connection to the QuickBooks company file has been lost in multiuser mode or settings. When opening a QuickBooks desktop file in multi-user mode, you may encounter a QuickBooks -6123 error code. What could be the reason for this error and how can it be solved? QuickBooks, which helps manage your accounts, offers a solution to every problem you encounter with the software. Therefore, QB has a solution for the QB -6123 error code.

Why QuickBooks Error Code -6123, 0 is happening?

• A corrupt network connection with the host computer.
• The Firewall software blocks a port needed to communicate with the server hosting the company file.
•  Damage files.
• QuickBooks data or program files are corrupted.
• Multiple instances of the QuickBooks database service are running.
• McAfee Privacy Service is installed with the Block Web Bugs filter option selected.
• Maybe company file is opened in a new version of QuickBooks.
• You can restore a backup from a removable storage device.
• Damaged window user

How to solve QuickBooks Error 6123?

1.Download QuickBooks File Doctor-

1. Download and run QuickBooks File Doctor.
2. Browse the company file.
3. Select Check File Damage Only and then Diagnose File.
4. Enter your administrator password, and select OK.
5. Select Open file in the most recent version or Repair file in the existing version.
6. Follow the remaining steps that appear on the screen.
7. Restart your computer.

2.Rename .ND and .TLG file-

1. Open the folder having the company file.
2. Select the corresponding .ND file of your company.
3. Right click on the company file and select Rename.
4. Rename .ND file to .ND.OLD.
5. Similarly select .TLG file and Rename .TLG file.
6. Rename .TLG file to .TLG.OLD.
7. Now, Open your QuickBooks Company File.

3.Reinstall QuickBooks-

1. Uninstall the running QuickBooks from the Control Panel.
2. Have your product and license information available.
3. Download the version of QuickBooks that you want to use on your computer or insert a CD.
4. Install QuickBooks following the normal procedure.
5. Fill your product and license information.
6. Open the company file.

4.Create a new window user-

1. It is possible that your current Windows user name is corrupted.
2. Open Control Panel.
3. Select the Create New User option in the user icon.
4. Select Administrator for the user type.
5. Disconnect from the existing
6. Restart the computer. Log in using the new credentials of the user.
7. Move the company file on the desktop.
8. Open QuickBooks and access the company file.