Learn the best ways to troubleshoot QuickBooks error code 6123

With each passing day, more and more entrepreneurs are getting inclined towards incorporating QuickBooks software in order to carry out their day to day activities in a smooth manner. It is an undeniable fact that the QuickBooks has the ability to transform the way entrepreneurs carry out the accounting and bookkeeping activities, but at the same time it is an undeniable fact that the QuickBooks software is susceptible to certain errors from time to time. One that common error that can be seen often is the QuickBooks error code 6123. This kind of error occurs when users tries to open the company file. There are various other facts associated with this error code, which will be discuss later in this article.

It is highly recommended that you go through this segment thoroughly. However, a better way to solve the issue is to contact a QuickBooks error support team that has a reputation for expertise.

What is QuickBooks Error Code 6123, 0?

As stated before, the QuickBooks error code 6123 is usually seen when users makes an attempt to restore the backup of the company file. This error code pops-up without any prior indication and hinders the company file activities. You might also encounter the same error while opening a company file from the multi-user network. Or if you opens up the file directly from the network or restoring the backup. The error message that appears with this error code states that “Problem connecting to Server”. When you are opening a company file over a network or multi-user mode you may see the error -6123, 0 message on your computer screen:

QuickBooks Desktop Error 6123 0 - Screenshot
ProblemError: -6123, 0: We’re sorry, but QuickBooks can’t open your company file.
Problem Connection to ServerError 6123, 0: “Connection to the QuickBooks company file has been lost”

This error can be complicated to resolve for users, so we recommend you to disable your antivirus and security programs before proceeding to the below given troubleshooting methods.

Important: Please note that, if you are using McAfee security software, then this might be the reason causing the issue in QuickBooks desktop. However, if you are already aware that McAfee security software does not belong to Intuit, then it is recommended to consult McAfee or continue reading this article. Whereas, if they are not using McAfee, then the steps discussed in this article might be of some help.

Factors Leading to QuickBooks Error 6123

There can be multiple factors that might lead to QuickBooks error code 6123, 0, a few of which are mentioned below:

  • Damaged Windows can be one of the reasons for error code 6123, 0
  • There might be a damaged company file.
  • If you have restored the company file from an external storage device.
  • Disrupted network connection from the host server can be another valid reason.
  • Firewall settings interrupting the QuickBooks software while opening the company file.
  • In case the antivirus program is installed on the system, which might hinder the smooth communication process.
  • QuickBooks data files or program files are corrupted or damaged.
  • Damaged Windows user and QBW files.

Read Also: Resolve splash screen shows up but QuickBooks is not opening error

Learn How to Fix Error 6123, 0 in QuickBooks Desktop

After we’ve uncovered the causes that could cause this error you should you to know what methods can assist you in eliminate that QuickBooks error message 6123, 0. We’ve jotted down number of the most efficient techniques. Therefore, without wasting any time, let’s check out the methods of rectification techniques one by one:

Condition 1: If you see Error 6123, 0 while opening or upgrading your company file

Follow the below given methods in above scenario:

Method 1: Renaming the company file or removing any special characters from the name

Removing any special characters from the name - Screenshot

Many times the issue is seen if the company file name has any special character in it’s name or the name exceeds the prescribed limit. Thus, you to ensure that:

  • The company file name shouldn’t exceed to 30 characters.
  • Also, it should not contain any special type of character or space in it’s name.

Method 2: Use QuickBooks tool hub program to fix this error

Step 1: Download and Run QuickBooks Tools Hub
  • At first, close the QuickBooks accounting software.
  • Download the QuickBooks tools hub file. Once done with that, save the file somewhere you can easily find it out.
  • Open the file that was downloaded in the above step.
  • Carry out the on-screen prompts, in order to Install and agree to the terms and conditions.
  • Double click the Icon on the Windows desktop to open the tool hub.
QuickBooks Tool Hub - Icon

The point to be noted here is that, if you are unable to spot the icon, it is recommended to do a search in Windows for QuickBooks Tool hub and then select the program.

QuickBooks Tool Hub - Screenshot
Step 2: Use QuickBooks File Doctor Tool
QuickBooks file doctor icon - Screenshot

QuickBooks file doctor tool can help you in automatically scanning and rectifying the issue, especially when it comes to common QuickBooks desktop data issues.

  • Select the Company file issues option in the QuickBooks Tools Hub.
  • After that hit a click on Run QuickBooks File Doctor tool.
QuickBooks File Doctor - Screenshot
  • When the File doctor tool opens up, you are recommended to select the Company file from the drop down list. In case you are unable to find it, then click on Browse option to search the system for the file i.e. [your company name].qbw.
  • Select the Check your file only option and then hit Continue to diagnose file.
QuickBooks File Doctor Check Damage File - Screenshot
  • Enter the QuickBooks admin password, followed by hitting Continue. Once done with this, the QuickBooks file doctor tool will begin with the repairing process on its own, which might take some time.
Enter Admin credentials - Screenshot
  • To end the process, go for the company file from the list and then hit a click on the Open QuickBooks option.

It should be noted that if the file can be opened up without any issue, then the error is resolved. But make sure to backup the company file, after you have opened it up.

Step 3: Running Quick Fix my program from tool hub program

For this method, it is supposed to carry out the steps below:

  • Click on the Programs Problems option in the Tool Hub.
  • Select the Quick Fix my Program tab. It might take a minute to run. In case you are having multiple versions of QuickBooks installed on the system, then it might take more than a minute to open up.
Run Quick Fix my Program - Screenshot
  • When Quick Fix my Program is finished, you need to open QuickBooks and then verify the issue if fixed.

Read Also: How to Resolve QuickBooks Error Code 404?

Method 3: Renaming the .ND and .TLG file

  • You need to open up the folder that contains the company file.
  • After that choose the Corresponding .ND file.
  • Next, right click on the Company file and then hit on Rename option.
  • Also rename the .ND file to .ND.OLD
  • After that select the .TLG file and rename it in the same way.
Rename the .TLG and.ND files - Screenshot
  • Now rename it to .TLG.OLD.
  • At last make sure to open the QuickBooks company file.
Setting proper folder permissions
Folder permissions- screenshot

At times, the folder settings require to be set to full access. It depends on the Windows settings and Windows user login.

Method 4: Creating a new Window User

The probability of Windows user login being corrupted might be higher. Thus, in that case, you can carry out the steps below:

  • Open Control Panel and hit a click on the Create new user option in the User icon.
Create new Windows Admin User - Screenshot Image
  • Select the Administrator for user type.
  • Log out of the existing.
  • Followed by rebooting the system, and then login using the New user credentials.
  • Now move the company file to the desktop.
  • Lastly, open QuickBooks and access the company file.

Related article: How to troubleshoot QuickBooks error 6000 816?

Method 5: Restart your system in Safe Mode

Safe mode with networking - Screenshot
  • By restarting and using your system in safe mode will stop the all 3rd party applications to restrict QuickBooks desktop to run.
  • You can also try to disable 3rd party security programs temporarily in safe mode.

Method 6: Disabling the system security programs

In case you are making use of the McAfee security software, then it might cause the issue. Majority of the times, the antivirus program interferes the company file and consider them as malware. This might hinder you from opening the company file. In such a situation, you are required to disable the QuickBooks application and then open the company file.

Method 7: Re-installation of QuickBooks application

Installing QuickBooks enterprise - Screenshot
  • Uninstall the current QuickBooks from the Control panel tab.
  • Download QuickBooks variant that you wish to utilize on the system or use the QuickBooks installation CD.
  • Install the QuickBooks in the Normal mode.
  • Enter the product ID and license number at there.
  • After entering the credentials, the QuickBooks will be registered and activated to use.
  • Lastly try opening the company file.

Read Also: Methods to Resolve QuickBooks Error OLSU 1013

Method 8: Moving company file to a different location

company file to different location -Screenshot Image
  • In order to check if there is any issue with the file path, you will have to move the file to a different location and open it from there, in order to check if it works in a proper manner.
  • After that move to the Folder where the company files are located.
  • Also, right click on the Company file and select Copy.
  • Verify that you copy the right file with the extension .QBW
  • Copy the file to the desktop, and then hit a right click on the Blank space, and then choose New and folder options respectively.
  • Open that New folder and then Paste there.
  • Towards the end, you need to open the QuickBooks and access the company file from the new location.

Method 9: Restoring the company file

Restore from Backup (Step 1) - Screenshot
  • It is supposed to move the Backup file to the local hard drive. And also avoid opening them from an online storage folder or remove the drive.
  • Carry out the required steps to Restore the company file from the backup.

You may also read: How to Fix QuickBooks Error Code C=343?

Condition 2: In case the Error 6123 is encountered while restoring a backup (.qbb) on a new system

Method 1: Create a portable company file (.qbm) to restore your company file

Create a portable company file (.qbm) to restore your company file - Screenshot

In this situation, you are recommended to create a portable company file. Then, you are required to use it to restore the company file. The steps to be followed in this method are as follows:

  • Aft firs you need to open the QuickBooks desktop on the same system, which was used to Create the backup company file.
  • After that open the Original company file.
  • Next step is to Create a portable file of the company file.
Create or Save a Portable Company File in QuickBooks - Screenshot
  • Also, open the QuickBooks desktop on the new system.
  • Restore the company file using the Portable copy, rather than using the backup file.

Method 2: Use the QuickBooks auto data recovery

Auto data recovery 3- Screenshot

You can restore your company file using the auto data recovery function. Restore your .adr copy of this file and check it works or not. Most probably chances that this error can be resolved using this method. Click here to get the procedure of using QuickBooks auto data recovery.

Related Post: Steps to Fix Company file is missing or cannot be found in QuickBooks

Condition 3: Manually configuring multi-user setup

If you making use of multi-user in QuickBooks, then you can configure its settings using the steps listed below:

Step 1: Renaming the .ND and .TLG files

  • At first, open the folder to the company file.
  • Select the .ND file of the company file.
  • Right click on the .ND file and them click on Rename option.
  • Add .old at the end of the file name.
  • Repeat the same steps for .TLG file.
  • Open QuickBooks desktop company file.
  • Re-scan the company file making use of database server manager.
  • First stop the database server process.
In case of Windows 10 & 8
  • You should press Windows key and then type in Task manager.
  • Click on the Task manager and then click on More details.
  • Once done with that, you should select the Details tab.
  • Locate the QBDBMgrN.exe and also right click the same.
  • Select End task.
  • Repeat the same steps until all the instances of QBDBMgrN.exe have been stopped.
  • Close the Task manager.
For Windows 7
  • In case you are using Windows 7, then in that case, we suggest you to press Ctrl + Alt + Delete keys.
  • Select Task manager.
  • Click on the Image name column heading from the Processes tab.
  • Right click the QBDBMgrN.exe and click on End task.
  • Repeat the steps to stop all instances of QBDBMgrN.exe.
  • Finally close the Task manager.
Restarting the QuickBooks services
  • Here you are supposed to press Windows + R keys, in order to open the Run window.
  • Type service.msc and then press Enter tab.
  • Select the Name column heading to sort the entries alphabetically from the Services window.
  • Right click on the Convenient service for QuickBooks desktop version and the choose Start tab.
    • QuickBooks Desktop 2022 or QB Enterprise 22.0: QuickBooks DB32
    • QuickBooks Desktop 2021 or QB Enterprise 21.0: QuickBooks DB31
    • QuickBooks Desktop 2020 or QB Enterprise 20.0: QuickBooks DB30
    • QuickBooks Desktop 2019 or QB Enterprise 19.0: QuickBooksDB29
    • QuickBooks Desktop 2018 or QB Enterprise 18.0: QuickBooksDB28
    • QuickBooks Desktop 2017 or QB desktop enterprise 17.0: QuickBooksDB27
    • QuickBooks Desktop 2016 or QB Desktop Enterprise 16.0: QuickBooksDB26
  • Last step is to Close services.
Re-scanning company files
  • You are required to open QuickBooks database server manager.
  • To scan, you need to Browse for the location of the QuickBooks company file.
  • Also close QuickBooks QuickBooks database server manager.
  • The final step is to open the company file.

Step 2: Setting up proper folder permissions

It should be noted that, the folder contains the QuickBooks desktop company file is present on the host system. Moreover, all the users must be provided Full control, this includes the database server manager user.

Allow full control - Screenshot

Read Also: How to Fix QuickBooks Unable To Create PDF Error?

Step 3: Moving the company file a different location

In order to see whether there is any issue with the file path, you can move the file to the different location, then open it from that location to check if it works.

Step 4: Checking Firewall & Antivirus Ports

Firewall ports-screenshot

At times, the firewall and antivirus programs might block the program from accessing the company file. You can check configure firewall and internet security settings for QuickBooks desktop to further prompts.

Step 5: Toggle Hosting settings in QuickBooks

  • At first, open the company file.
  • Also. choose the File > and choose Switch to single-user mode.
Switch to single user mode - Screenshot
  • After that choose the File > Utilities and also select Stop hosting multi-user access.
Stop Hosting Multi-User Access - Screenshot
  • You are then required select File > Utilities > Choose host multi-user access.
Host multi-user access - Screenshot Image
  • Finally, you need to select the File and also go for Switch to multi-user mode.
Switch to multi-user mode - Screenshot

See Also: Methods to resolve QuickBooks error code 6189, 816

Wrapping up!

Fixing QuickBooks error code 6123 doesn’t involve any rocket science. Carrying out the simple procedures listed above can help you in getting rid of the problem. However, if none of the methods worked in your favor, and this error continues to trouble you, then in that case feel free to speak to our QuickBooks enterprise support professionals team.

Connect with us by dialing our customer support line i.e., 1-800-761-1787 and let us manage the issue for you. Our certified accounting professionals are available to assist you whenever you require us.


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