QuickBooks Error 6123, 0

QuickBooks Error 6123

In the following article, I am going to discuss the “QuickBooks Error 6123, 0” Causes, and its updated troubleshooting steps. This error is related to the company file in the QuickBooks program.

Among all problematic issues QuickBooks error 6123, 0 is one of the most irritating errors users may face. From time to time, when a user attempts more than once to restore the QuickBooks company file from the backup hard disk or tries to open the company file over the multi-network server an error message alerts as QuickBooks Error 6123, 0 is shown on the screen.

Speak to a Specialist about Your QuickBooks Software

Get instant assistance with QuickBooks accounting software. Our QuickBooks experts are available 24x7 and resolve issues within minimum turnaround time. We support both US & Canada Editions of QuickBooks Software.

We get help you on these QuickBooks accounting topics
  • Downloading
  • Installing
  • Activation
  • Import and Export
  • Data Conversion
  • Payment Solutions
  • Upgrade & Update
  • Payroll Solutions
  • Integration
  • Printer
  • Tax-Related
  • Data Recovery and many more.

What is QuickBooks Error 6123, 0

Like other online accounting software, QuickBooks also encounters some errors which may block all running programs. Error code 6123 0 is related to the company file in the QuickBooks program. This error usually occurs when the user tries more than once to restore the company backup file while upgrading or opening the file on the QuickBooks Desktop. The user might encounter this message.

Connection to the QuickBooks Company file has been lost in the multi-user.

What are the Causes of QuickBooks Error Code 6123

The user might encounter this message “Connection to the QuickBooks Company file has been lost” in the multi-user surroundings by one following causes.

  • Corrupted or damaged windows operating system.
  • If you find QuickBooks damaged program files cause this error issue.
  • Block web error filter option is chosen in McAfee antivirus.
  • When your system name on the PC hosted the QB company file, it was changed due to time while hosting was turned on.
  • Due to damaged or corrupted QuickBooks data files or program files, this error may appear.

Steps to Resolve QuickBooks Error 6123, 0

Here, you can find the best possible solution to fix this error issue. Pick any one of the following guides according to your error-occurring issue.

Step 1: Download the QuickBooks File Doctor

  • In the first step, you have to download and run the QuickBooks File Doctor Tool.
  • Now you have to find the QuickBooks company file.
  • Select the “Check File Damage Only” option and hit click on the “Diagnose File” option.
  • After that, Type-in in into the section of Admin Password and then hit the click on the Ok button.
  • Enter the next click on the “Open File” option in the most recent release or go with “Repair File” in the current version.
  • Follow on-screen instructions.
  • After following all the above steps, restart your system, and you are done with this process.

Step 2: Rename the.ND file along with.TLG file

  • The first thing you have to do to open the folder at the place where your company file is saved.
  • Then, select the coordinated.ND file of your organization.
  • Now, hit right-click on the “Company File” and then select the Rename option.
  • You are all set to change the name .ND file to the .ND.OLD you have also another option to choose the .TLG file and then change the name of .TLG file.
  • Change the name .TLG file to .TLG.OLD.
  • Then open your QuickBooks company file.

Step 3: Change your company file to Another Location

  • In any case, if you are unable, to begin with, your QuickBooks company file
  • After implementing the above solutions then try to transfer the file to another place and start processing.
  • If you still find the host connection is being utilized by you, then copy that selected file from the system and then open it.

Step 4: Use Auto Data Recovery Functions

  • In this troubleshooting, you can restore the .ADR copy of this selected file to view whether it works or not.
  • There is a chance that the file is corrupted or damaged and this might help to resolve the QuickBooks Error 6123.
  • To get to know more about its features, the user has to click on the QuickBooks Auto Data recovery link.

Step 5: Disable the System Security Programs

  • Usually, your anti-virus program is available in your system which interferes with your company file and serves them as malware.
  • Due to this issue, users may be unable to open their QB company file.
  • In that condition, you have to disable the QuickBooks application and then you have to open the company file.
  • Follow on-screen instructions and proceed with steps to fix QuickBooks Error 6123, 0 automatically.

Step 6: Uninstall and Reinstall the QuickBooks Application

  • Before proceeding with this troubleshooting make sure about your product details and license number
  • First of all, you have to uninstall the current version of QuickBooks through the “Control Panel” tab.
  • Now download the latest release of QuickBooks that you would like to be used on your computer or you can prefer the QuickBooks installation CD.
  • Make sure, you install the QuickBooks in the normal mode.
  • After that, you have to enter the Product ID, License Number, and all necessary details.
  • Once you are done with the above steps, QuickBooks will automatically be registered and leads activate to use.
  • You are all set to open the company file.

Step 7: Make a New window User

  • The first thing you have to do to open the “Control Panel” tab.
  • Now choose the “Create New User Choice” option available in the user icon.
  • After that, select the Administrator for user type.
  • Log out from your existing account.
  • Now, restart your system and then log in by using the new user credentials Transfer your company file to the desktop.
  • In the last step, open your QuickBooks and then try to access the company file.

Step 8: Set Accurate Folder Permissions

  • In that guidance, the user needs to open the folder that includes the QuickBooks Desktop company file on the host system.
  • It permits you to track the management of the user that contains the QuickBooks database server manager user.

Step 9: Deleting Characters via the file name

  • Make sure the user needs to ensure the company file name details.
  • Less than 30 characters.
  • Must have special characters or spaces.

Step 10: Download Quick Fix my Program and Use it

  • You have to download it first and then utilize the Quick Fix my program.
  • In the first step, close QuickBooks and all running programs.
  • And then download the latest version of the QuickBooks tool hub and save the file.
  • Now, you have to open the downloaded file.
  • Proceed forward by following on-screen guidelines to install and agree to the license agreement.
  • Hit double-click on the window desktop icon to view the tool hub.
  • From the available options, choose program problems.
  • Then enter your click on the “Quick Fix my Program” it may take a little while to run the programs.
  • In any case, if the user running multiple versions of QuickBooks then it may take more time.
  • Wait until the process is not completed and then open the QuickBooks. Check and verify the issue is resolved.

Step 11: Restore the QB Company File

  • First of all, the user has to transfer the backup file to the local hard drive.
  • After that follow all guidelines to restore your company file from the backup folder.

See if the problem still exists. If yes, then speak to our QuickBooks error Consultant team now.

Get solutions to all of your accounting and bookkeeping problems with industry leading experts

call to action img


  • Is there any way to begin once again in QuickBooks?

    The answer is yes, you can begin once again in QuickBooks Online. Be that as it may, in case you wanna keep some information for yourself, I recommend the shutting of books. With this, the costs and income will be focused on and will go to their particular record toward the year’s end. While you’re net benefit or deficit will go to your Retained Earnings account.

  • Is QuickBooks Database Server Manager Essential?

    QuickBooks Database Server Manager lets you share your company files with different PCs over your organization. This lets numerous clients deal with a similar company file simultaneously. If you don’t plan to utilize multi-client access, you needn’t bother with the Database Server Manager.

  • How would I Restart the QuickBooks Desktop?

    Locate an open Control Panel.
    Select and open Administrative Tools.
    Then choose the Services from the drop-down list.
    Now, hit right-click on the QuickBooksDBXX service and afterward choose the Restart option.

  • Error 6123, 0 When Upgrading or Opening Company File

    You generally face this error when attempting to open a company file in a multi-user mode environment. Other possible causes that create the same issue of QuickBooks error 6123 include.

    ● Disrupted network,
    ● Firewall issues,
    ● Damaged Data file,
    ● Flash drive error when trying to restore data.

Found This Useful?

Subscribe to our newsletter and receive all the information about our updates and articles straight to your inbox.

By checking this box, you agree to our Terms & Conditions