How To Fix QuickBooks Error Code 6123, 0?

  • Posted by: fyber
  • QuickBooks

QuickBooks is an innovative accounting software created and utilized by Intuit and by millions of small and medium-sized businesses worldwide. This undoubtedly makes the task of managing a business incredibly simple. However, like any other software in the world, QuickBooks too often gets errors like QuickBooks Error 6123 0.

According to Intuit, error code-6123,0 “Connection to QuickBooks Company File is lost” typically occurs in a multi-user environment. However, some messages can only be fixed by following the instructions given by the software, some may be complex and unexpected.  There can be several issues for this error to happen.

When using or installing QuickBooks Company reports on the network, you see one or more of the following errors:

  • QuickBooks Error -6123, 0.
  • The connection to the QuickBooks company file has been lost or vanished.

 The image shown below is similar to what appears on your desktop.

QuickBooks Error 6123 0

What possibly causes QuickBooks error 6123, 0?

QuickBooks Error Code -6123, 0 is usually due to one of the following reasons

  • The main computer has a corrupt network connection.
  • The firewall is blocking the port required to communicate with the server hosting the network company file.
  • Damaged QBW Files.
  • Corrupt Quick QuickBooks data or program files.
  • Your system has several QuickBooks database services are running.
  • The same or twin company’s file is opened in the latest version of QuickBooks.
  • You are restoring a backup through a flash drive or through a removable storage device.
  • Damaged Window User.

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How to solve QuickBooks error code 6123, 0?

If you see error code 6123, 0 when opening or upgrading or improving your company, strictly follow the below-recommended troubleshooting steps.

Important: Before proceeding with the given steps, make sure to remove special characters from the file name. The character must be less than 30 or equally and must not accommodate any kind of special characters or spaces:

Solution 1: Download QuickBooks File Doctor

Download QuickBooks File Doctor
  • Download and run the QuickBooks File Doctor tool.
  • After this search the QB Company File.
  • Choose the “Check File Damage Only” option, and then the “Diagnose File” option.
  • After that, type in the admin password and then select the “OK” button.
  • In the new version, choose the Open File in option, or in the current version choose ‘Repair File’.
  • Follow the remaining steps that pop up on the screen.
  • After completing all the steps reboot / restart the computer once.

Solution 2: Change the name .ND with .TLG File

  • Firstly, where the company file is stored, open that folder.
  • Choose the related .ND file of your company.
  • After this right click on the company file and choose the rename option.
  • Now rename the .ND file to .ND file.  Also, select a .TLG file and then rename the .TLG file.
Change the name .ND with .TLG File
  • Rename the .TLG file to .TLG.  Old.
  • Eventually, extend your QuickBooks Company File.

Solution 3: Move your company’s file to another location

Move your company's file to another location

If you are unable to start your QuickBooks company file after following solution 2, try moving it to another location and starting it.  If you are using a host connection, try copying and opening that file from the computer

Solution 4: Use Auto Data Recovery Function

Use Auto Data Recovery Function

Restore the .ADR duplicate of this file and perceive if it works.  There is a possibility that the file is corrupt or damaged and it may resolve QuickBooks error code 6123, 0. Click the link to get in-depth information about QuickBooks Auto Data Recovery.

Solution 5: Disable system security programs

Disable system security programs

Important: If you are utilizing McAfee security software this may be due to a 6123 error in QuickBooks. Follow the below steps to fix this error:

Most of the time your antivirus program interferes with company files and treats them as malware or viruses. Due to this reason the user may not have the ability to open their QuickBooks company file. In that occurrence, you have to disable the QuickBooks application and then open the company file.

Solution 6: Reinstall the QuickBooks application

Important: You must have your product and license information before proceeding to this step.

  • To execute this method you will need to uninstall the currently running QuickBooks from the “Control Panel” tab.
Reinstall the QuickBooks application
  • Then download the QuickBooks variant that you want to use on your system or you want to use the QuickBooks installation CD (if you have one).
  • At the moment install QuickBooks in normal mode.
  • After this, enter your product ID and license number there.
Product ID and license number In QuickBooks
  • Once you enter these credentials your QuickBooks will be registered and activated to use.
  • Now make an effort to open your company file.

Solution 7: Create a new Windows user

Your latest Windows user login may be at risk of corruption.  To fix the problem you require to make a new Windows user.

Below steps to make a latest or new user:

  • First of all, click to open the “Control Panel” option.
  • Choose the “Make new user choice” alternative in the “Users” icon.
  • After this, choose Administrator for User Type.
  • Log out of existing
  • After that restart your computer and log in using new user credentials.
  • Make a move your company file to the desktop
  • And finally, open QuickBooks and set out to access or approach the company file.

Solution 8: Adjust the appropriate folder permissions

The user requires the user in a folder containing the QuickBooks desktop company file on the host computer. This allows a complete command to users, covering the QuickBooks Database Server Manager user,

Solution 9: Removing characters from filenames

The user needs to ensure that the company filename is:

  • 30 characters or less
  • Or should not contain any special characters or spaces

Solution 10: Downloading and using the Quick Fix My program

The user must download the QuickBooks Tool Hub and then the user will download the Quick Fix My program. Here are the steps involved:

  •  Initially close QuickBooks
  • And then, download the recent version of QuickBooks Tool Hub and also save the file where it can be easily accessed
  • After that, open the downloaded file above
  • Followed by on-screen steps to establish and agree to a license agreement
  • The user then needs to double click on the icon on the Windows desktop to open the tool hub.
  • Now, in the QuickBooks Tool Hub, select Program difficulties
  • And then select Quick Fix My Program. It may take about a minute to run. If the user has several versions of QuickBooks, this may take some time.
Program Problem in QuickBooks Tool Hub
  • After the process is complete, open QuickBooks and verify that the problem is fixed.

Solution 11: Restore the company file

The user requires to move the backup file to the local hard drive.  And avoid opening them from online storage folders or deleting drives

After that, take the mandatory steps to restore or re-establish the company file through backup

If error 6123, 0 is seen while restoring backup .qbb on latest system

In such an occurrence, the user can make a portable company file. The following steps are as follows:

  • Initially, the user needs to open the QuickBooks desktop on the same system that he / she uses to make a backup of the company file
  •  And then, as always, open the parent company file
  • After that, the user needs to make a portable copy of the company file
  • The next step is to open the QuickBooks desktop on the new system
  • And finally, the user must restore the company file using portable copy instead of backup

Winding Up..!

We discussed the above steps are helpful for you and you are able to solve your QuickBooks error 6123,  0. If you need assistance of QuickBooks or need a free consultation, you can contact our Certified ProAdvisors and Technicians immediately. By dialing the toll-free number i.e. +1-844-397-7462.

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