Learn the best ways to troubleshoot QuickBooks error code 6123

QuickBooks is top-notch accounting software that has marked its presence in the accounting industry. With each passing day, more and more entrepreneurs are getting inclined towards incorporating this accounting 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 at times get prone to certain errors. One such error that can be seen often is the QuickBooks error code 6123. This kind of error occurs when the user tries to open the company file. There are various other facts associated with this error code, which will be discussed later in this article.

Thus, it is recommended to go through this article carefully. However, a better alternative for the same can be to consult a QuickBooks error support team with renowned experience. You can also ring up at our toll-free number i.e. 1(888)-383-0323, and our team of experts and certified QuickBooks professionals will definitely fix the error for you.

Understand QuickBooks error code -6123, 0

As stated before, the QuickBooks error code 6123 is usually seen when the user 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. The user might also encounter the same error while opening a company file from the multi-user network. Or if the user opens up the file directly from the network or restoring the backup. The error message that appears with this error code states that “Connection to the QuickBooks company file has been lost”.

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

QuickBooks Error -6123, 0

Error 6123, 0: “Connection to the QuickBooks company file has been lost”

Factors leading to QuickBooks error code 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.
  • Another factor that might lead to this kind of error can be damaged company file
  • If the user has restored the company file from an external storage device, it can also lead to QuickBooks error code 6123
  • Disrupted network connection from the host server can be another valid reason
  • Firewall settings interrupting the QuickBooks software while opening the company file
  • Or, 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

Quick Fixes to the QuickBooks error code 6123, 0

Now that we have learnt the factors that might lead to this error code, it is time for us to find out what are the methods that can help us to get rid of the Error 6123, 0. We have jotted down a few of the most effective methods. So, without wasting much time, let us check out the 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 its name or the name exceeds the prescribed limit. Thus, the user needs to ensure that:

  • The company file name should not exceed 30 characters
  • And also, it should not contain any special character or space in its name

Method 2: Download and run QuickBooks Tools hub

  • First of all, the user needs to close the QuickBooks accounting software
  • And then, download the QuickBooks tools hub file. Once done with that, save the file somewhere the user can easily find it out.
  • The next step in the process is to open the file that was downloaded in the above step.
  • Moving ahead, the user needs to carry out the on-screen prompts, in order to install and agree to the terms and conditions.
  • The user is then required to 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 the user is 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

Method 3: Using QuickBooks file doctor tool

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

  • The user first needs to select the company file issues option in the QuickBooks Tools Hub.
  • And then, click on Run QuickBooks File Doctor tool.
QuickBooks File Doctor - Screenshot
  • When the File doctor tool opens up, the user is recommended to select the company file from the drop down list. In case the user is unable to find it, then click on Browse option to search the system for the file i.e. [your company name].qbw.
  • After that, the user needs to select the check your file only option and then hit Continue to diagnose file.
QuickBooks File Doctor Check Damage File - Screenshot
  • The next step in the process is to 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, the user needs to opt for the company file from the list and then 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.

Method 4: Running QuickFix my program

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

  • First of all, click on the Programs Problems option in the QuickBooks Tools Hub.
  • And then, select the QuickFix my Program tab. It might take a minute to run. In case the user is 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 QuickFix my Program is finished, the user needs to open QuickBooks and then verify the issue if fixed.

Method 5: Renaming the .ND and .TLG file

Rename the .TLG and.ND files - Screenshot
  • To begin with, the user needs to open up the folder that contains the company file.
  • And then, choose the corresponding .ND file.
  • Once done with that, the user needs to right click the company file and hit the rename option.
  • The next step is to rename .ND file to .ND.OLD.
  • After that, select the .TLG file and rename it in the same way.
  • Rename it to .TLG.OLD.
  • And to end then process, make sure to open the QuickBooks company file.

Method 6: Creating a new Window User

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

  • Firstly, open Control Panel.
  • And then, click on the Create new user option in the User icon.
Create new Windows Admin User-Screenshot
  • The next step is to select the administrator for user type.
  • Once done with that, the user needs to log out of the existing.
  • Followed by rebooting the system, and then login using the new user credentials.
  • Now, the user needs to move the company file to the desktop.
  • And to end the process, open QuickBooks and access the company file.

Method 7: 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.

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

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

  • The first step is 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.
  • The next step is to create a portable file of the company file.
  • Once done with that, the user needs to open the QuickBooks desktop on the new system.
  • The last step in the process is to restore the company file using the portable copy, rather than using the backup file.

Wrapping up!

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

You can make a call at our toll-free number i.e. 1(888)-383-0323, and discuss your issue with our tech support team. Our team of experts and certified QuickBooks professionals will be there to assist you, whenever you will need us.