Fix QuickBooks Error 6123 With Brilliant Hacks

QuickBooks helps to register all the transactional reports as well as data between two companies. However, while opening a company file from the network server or upgrading a company file to QuickBooks, you might experience QuickBooks error 6123. 

Once this glitch occurs, then an error message saying ‘6123  0 message errors, we are sorry but QuickBooks can’t open your company file’ appears on the display.

For this issue, you might not be able to restore the backup. Fortunately, you can eradicate the flaw easily with the help of the undermentioned solutions.

QuickBooks Error Code 6123 : Possible Causes

Before moving to the solution part, first of all, check out the root causes behind the occurrence of this issue. So, you can take precautions for the next time.

  • Bad network connection from the host server.
  • Corrupt data file
  • Corrupt User Login
  • Virus attacks

These are some of the possible causes. Now, take a look at the resolving techniques in order to resolve the error in a flicker of time.

Reliable Solutions to Fix QuickBooks Error 6123:

You can refer to this part where solutions to eradicate this error have been described. But make sure that you should apply each and every solution without ignoring a single step.

Solution 1- Use the QuickBooks Doctor Tool

The main purpose of using this tool is to fix the broken company files that have gone damaged due to numerous causes. 

This fixing technique is recommended when you are trying to update a company file to a new version. Take a look below.

Step 1

The first thing that you have to do is to download the QuickBooks Doctor tool. Once done, then double-click on the ‘qbfd.exc’ and follow the online instructions to install the tool on your computer.

Step 2

The QuickBooks doctor tool will open automatically after installing it. In case, it is not opening, then move to the Taskbar and search for a green wrench icon.

Step 3

Next, you have to scroll down the list to find the company file. If you are unable to see it, then simply tap on the Browse button and manually locate it. 

Step 4

In addition, you have to select the following option ‘ Both file damage and network connectivity ( if you suspect the company file is damaged, or you see a 6xxx error ( such as -6150, -6000, -82, -6000, -305, -301, -6147,- 6130 or -6123) )

Step 5

Furthermore, enter the Admin password for the company file, click on Next.

Then, a new message saying ‘choose between Host/ Server or Workstation. It is essential that you should select the right option.

Step 6

In case, you are running the tool on a workstation, then click on the Workstation. 

If you are running a file doctor on a Server Doctor, then you should choose the Server option.   From there, only pick up the Server if you use QuickBooks only one computer. Wait until the File Doctor finishes diagnosing. 

Step 7

Once done, then close it and reboot your device and try to open the file without any issue.

Solution 2- Rename the .ND and .TLG File

If the above solution does not work in your case, then we suggest you rename the.ND and the.TLG files.

For that, first, open the folder. Then, choose the corresponding.ND file name. Afterward, right-click on the Company file and choose Rename. Then, rename the.ND file to .ND.OLD.  Similarly, you have to select the.TLG file and rename it to .TLG.OLD. 

Furthermore, open the QuickBooks file to check if any change has been made or not.

Solution 3- Reinstall the QuickBooks Application

Lots of QuickBooks users reported that after reinstalling the QuickBooks, they quickly overcome this error. 

To do so, first, uninstall the currently running QuickBooks from the Control Panel. Here, you will see the product and license information.

Afterward, download the QuickBooks version that you want to use on your device. Next, follow the online instructions to install the latest version. Thereafter, fill out the product and license information. 

Reboot your system and if the QuickBooks error 6123 still appears while opening the QuickBooks file, then try out the next technique.

Solution 4- Create a New User Window

There can be a possibility that the current Windows user Login is corrupted. In such a condition, you have to create a new user window. 

To do so, focus on the given points.

  1. First, open the Control Panel and choose the Create New User option. 
  2. Thereafter, you have to tick on the Administrator option.
  3. Furthermore, log out from the current account. In addition, reboot your machine and sign in with the new user credentials. 
  4. In the next step, you have to move the company file to the desktop.

Then check if the error has been resolved or not.

Solution 5- Disable the Antivirus Ports

All the above four solutions are given to the situations where you did everything on a single-set up. But in case the company file is located on another computer, then you can receive this error code. 

So, in order to eliminate the error, first, click on the Start icon and enter the ‘control panel’ within the given field and press the Enter key.

It will open the Control Panel window. From there, go to the System & Security. Under this section, you should drop down and choose the Windows Firewall. 

Then, choose the Advanced Settings option and click on the Inbound Rules which is located at the left corner of the window. Afterward, you should right-click on the Inbound Rules and choose New Rules from the available options. 

Thereafter, select TCP from the first set of radio buttons and then switch to the Specific local ports. Further, you have to add the following commands to properly open the QuickBooks file.

1st- QuickBooks Desktop 2018: 8019, 56728, 55378-55382

2nd- QuickBooks Desktop  2017: 8019, 56727, 55373- 55377

3rd- QuickBooks Desktop 2016: 8019, 56726, 55368- 55372

4th- QuickBooks Desktop 2015: 8019, 56725, 55363-  55367

Ensure that you separate the numbers by a comma and click on Next after every command.

On the next window, choose the Allow the connection Radio Button option. In addition, you have to choose the Network type that you want to install. 

After that, give a name and finally click on Finish to complete the task. You are advised to apply these steps to the Outbound rules.

Once completed, then restart your machine and this time you will surely open the QuickBooks file without the QuickBooks error 6123. 

Final Remarks

This passage will surely help you to remove QuickBooks error 6123. So apply those fixing techniques until all your queries get resolved. 

If you need any help related to this topic, then drop a comment in the below part and we will get back to you as early as we can.

Maria Colombo
Maria Colombo
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