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Tried and Tested Methods to Fix QuickBooks Error 6190 816

QuickBooks Error Code 6190 -816

From time to time, encountering various errors while accessing the company file in the QuickBooks application is inescapable for users. However, the reoccurrence of an error and not knowing how to fix it annoys anyone. One such error we are highlighting here is QuickBooks Error 6190 816. It is primarily witnessed at the time of launching the company file in QB while the hosting settings are switched to single-user mode. If you are also struggling and repeatedly seeing the pop-up error message 6190 and 816, do not turn back from this article. Read this article carefully until the end and get familiar with its critical reason. Additionally, troubleshoot the issue with the solutions mentioned here.

What Does QuickBooks Error 6190 816 Exactly Means?

QuickBooks Error 6190 816 are 6000 series errors relating to the company file issues. Whether there is damage in the company file or facing a problem hosting it in the multi-user mode, all these issues restrict access to the company file. This error also sometimes appears as the “QuickBooks file not found” error. This error is set off when the modes keep changing from multi-user to single-user mode, even if you have set the multi-user mode as a default. The most common factor behind the occurrence of this error is an improper network setup, which the QB File Doctor might fix. Moreover, if there are extreme disparities between the transaction log file and the company file, then you can also face the same issue. So, overcoming this error as soon as it occurs on any workstation or server system is a must for you.

Under the influence of QuickBooks error 6190, you’ll see the following error:

What Causes QuickBooks Error Code 6190 -816?

The following are the reasons every QuickBooks user must know, including you, if you are frequently getting notified about QuickBooks Desktop Error Code 6190 and 816. By going through the causes below, you will get closer to resolving the issue.

  • A corrupted QuickBooks company file can also result in QuickBooks Error 6190 and 816.
  • When a user is already working on a company file, another tries to access the same company file in single-user mode, resulting in this error.
  • If the user is constantly trying to open a company file that is already damaged, therefore provoking the issue.
  • Launching the QB company file from an external storage device on the server system, but the external device cannot maintain the connection with the system, will trigger this error.
  • If your QuickBooks Desktop installation process remains partial or incomplete, then it may cause QuickBooks is unable to open this company file 6190.
  • If your QuickBooks Database Server Manager is not working, launching the company file in multi-user mode is impossible.
  • Using outdated QuickBooks versions.
  • If the transaction Log file (TLG) and the company file (.qbw) have incompatibilities, you will see QuickBooks Error 6190 and 816.
  • Some virus or malware is affecting your system very badly.

There are many ways to fix QuickBooks Desktop Error Code 6190 and 816. However, the most recommended one is to use a QuickBooks file repair tool or the QuickBooks Tool Hub. This tool can quickly resolve the corrupt QuickBooks company file and eliminate this error. However, it is not always sure that only using QB Tool Hub will rectify all the issues. You must try to implement more troubleshooting methods by keeping in mind the reasons that triggered this issue in your system or application.

1st Troubleshooting Method: Restart all the Workstations and Server System

The first step in fixing this error includes restarting all the systems connected to the network. We have provided here instructions to restart the server and the workstation computer.

  • First, go to the server system which is hosting the company file and restart it.
  • Then, you need to restart all the workstations that are connected to the network.
  • After that, you have to open the QuickBooks application first on the server computer and then on the workstations.
  • Then, check the status of the QuickBooks error code (-6190, -816). If it has not got resolved, move to the other troubleshooting methods.

2nd Troubleshooting Method: Utilizing the Quick Fix My Program and File Doctor

To eliminate the QuickBooks error 6190 816, you must start by utilizing the Quick Fix My Program tool to fix any problems in the application. Then, employ the File Doctor to fix the issue. You should implement the following steps to get the QB Desktop multi-user network up and running again.

Step 1: Running Quick Repair for the QuickBooks Application

Quick Fix My Program closes any background processes that the QuickBooks software uses. Then, it will quickly repair the application to fix the problem.

  • First, launch the QuickBooks Tool Hub.
  • Then, choose Program Problems.
  • Proceed to choose Quick Fix My Program.
  • Lastly, launch the QuickBooks software and open the company file.

Step 2: Fixing the Network Setup Issues

A possible reason why multi-user mode keeps switching to single-user mode is the network setup problems. Therefore, it triggers the QuickBooks Company File Error 6190 in the single-user mode. To rectify it, you must run the QuickBooks File Doctor. This utility will assist you in fixing the company file(s) and network problems in the application.

  • In the beginning, launch the Tool Hub and choose Company File Issues.
  • Then, further, choose the Run QuickBooks File Doctor option. It will take approximately a minute to open the file, doctor.

Note: If the File Doctor does not open, search and open it manually.

  • When the QB File Doctor opens, choose the concerned company file from the drop-down list. If you cannot find the file, choose the option to Browse and search to look for the file.
  • Furthermore, click the option to Check your file (middle option only).
  • Now, choose Continue.
  • Finally, you should enter the QB admin password and then click Next.

3rd Troubleshooting Method: On the Server System, Run the QB Database Server Manager

The server system is the primary computer keeping or hosting the company file(s). However, if you get the QuickBooks Error Message 6190 816, the QBDSM can help you. The Database Server Manager maintains stability in multi-user networks. The following are the steps to utilize the QBDSM:

  • Begin by launching the QB Tool Hub on the server system.
  • Now, click on Network Issues.
  • Then, under it, choose the QuickBooks Database Server Manager option. If you have not installed QuickBooks on the server system, you will get a prompt to do so.
  • Now, when you see the company files(s), click on the option to Start Scan.
  • However, if you do not see the company file, search the location and select the Start Scan option.
  • Then, QuickBooks Database Server Manager will automatically repair the issues in the Firewall permissions.
  • Then, click Close.
  • Finally, launch the QB Desktop application on the server system and the attached workstations. See if the QuickBooks error 6190 816 is resolved.

4th Troubleshooting Method: Moving the Company Files to the Local Hard Drive

If you open the QuickBooks company file (.QBW) on a removable or online drive, you can move the company files to your local hard drive to fix the QuickBooks Company File Error 6190.

Essential Practices Before Moving the Files

  • Keep all the QuickBooks files, including your company file, only on the server system’s hard drive. However, other online file hosting services, for instance, Dropbox,, and Google Drive are also convenient options. But still, they can cause issues.
  • Do not save the file on removable or external drives. This is because external hard drives, Network Attached Storage [NAS] devices, and USB flash drives cannot run QB in multi-user mode smoothly.
  • Never encrypt the QuickBooks files or even the hard drive having them. If you do that, it can block the multi-user network connection.

Two ways to fix the issues are to move the company file to a new folder on the same computer, on and off your network, or to an entirely new computer. To save all the data and supporting files, always create and restore a backup. It is one of the easiest and safest ways. We have provided you with steps to move your company files around both ways. You can use whichever you find suitable according to your needs to eliminate the QuickBooks Error Message 6190 816 from the application.

Moving the Company File to Another System

Note: Shifting the files to another system will have no effect on the product license.

  • Prior to starting, install the QB Desktop’s latest version or the same version you already have on another system.
  • Then, create a backup of the company file on your current system. You can automatically schedule it or manually do it.
  • After saving the backup file, give it a different name, so it is easy to identify and stops accidental overwrites.
  • Do save the backup file where it is quickly accessible, like on Windows desktop.
  • Proceed to shift the backup file to the new system. If you want, you can save the backup to a flash drive or an external device.
  • If the system is on the same network, you can save it.
  • Then, on the new system, you should restore the backup. Name the file something unique.
  • Lastly, you can download the recent tax table on the new system if you use the payroll service.

Moving the Company File to a Different Location on the Same System

Follow these steps to transfer the company file to another folder but on the same system:

  • After creating and saving the backup company file, name it something easy. It will avoid any accidental overwrites.
  • Do save the backup on the system where it is quick to locate, like Windows Desktop. If you are hosting the company file over a network, save the backup on the system’s local hard drive.
  • Do not save it over your network.
  • Then, proceed further to restore the backup to a new folder or location. The name of the file must be unique.

Do utilize the newly restored file as the primary company file now. It is recommended to rename the original company file while adding .OLD at the end of the name. This solution will fix the QuickBooks Enterprise error 6190 816.

5th Troubleshooting Method: Transfer the Entire QuickBooks Data Folder

If you do not want to create a backup company file with it, you can transfer it to the QB folder.

  • Begin by launching the QuickBooks application.
  • Then, open the company file you want to move.
  • Proceed and hit the F2 (or Ctrl + 1) to launch the Product Info window on the screen.
  • Then, search the File Information section. It will inform you where the company file is stored on the hard drive.
  • Afterwards, select the Start menu.
  • Then, open the File Explorer and browse the location to find the folder saving the company file.
  • As you find the folder, right-click on it.
  • Then, select the option to Copy.
  • Furthermore, open the external device or the new location on your hard drive where you wish to move the files.
  • Now, again, right-click and choose the option to Paste.
  • You have a new copy of the entire folder.
  • You can transfer the folder to a new system or another location in the exact system.
  • Next, launch the QuickBooks Program.
  • Now, click the Open or Restore an existing company option.
  • Finally, select the files in the newly copied folder and open it.

6th Troubleshooting Method: Keeping the QB Application Up-to-Date

You know by now that you get QuickBooks Error 6190 & 816 while another user or company employees are working on the company file in a single-user mode. One of the several solutions is ensuring that QuickBooks release is up-to-date. The following are the steps on how you can do it:

  • Initially, exit from the company file and then close the QuickBooks Desktop.
  • Now, choose the Run as administrator option after right-clicking the QuickBooks Desktop icon on the desktop screen.
  • Now, you will see the ‘No Company Open’ screen.
  • Then, click the Help menu from the Toolbar and choose the option to Update QB.
  • Proceed to click the Options tab and then click Mark All.
  • Next, choose Save.
  • Furthermore, mark the Reset Update box in the Update Now window.
  • After that, choose the Get Updates option.
  • As the message Update Complete is visible to you, close QuickBooks.
  • Now, relaunch the application and choose the Yes option as you see the prompt to install the updates.
  • Lastly, restart the system as the installation process ends.

7th Troubleshooting Method: Modifying the .ND and .TLG Files Name

After updating the application, follow this solution for repairing the company’s damaged data files. To repair both these crucial configuration files, allowing QuickBooks to access a company file in a network or multi-user mode, you must rename them. Do not worry, as changing the name will not affect your data. QB Desktop will create both files after scanning them with QDSM and launching the company file.

  • Start by launching the folder that has the company file.
  • Now, look for the file with the extensions .ND and .TLG. These files have a similar name to the company file, so it will be easy to find.

    • company_file.qbw.nd
    • company_file.qbw.tlg

  • Then, under the drop-down list, choose the Rename option after right-clicking both files with the appropriate extensions.
  • Furthermore, remember to type .OLD at the end of each file while renaming them. For instance, company_file.qbw.nd.OLD.
  • In the end, launch the QB software once again. Then, sign- into the company file and see if the QuickBooks Desktop Error Code 6190 and 816 is fixed.

8th Troubleshooting Method: Check the Single-user Mode in QuickBooks

As discussed above, if you try to open the company file already opened by another user in the single-user mode, you may face this error. So, with the below-given methods, check for the single-user mode in your QuickBooks:

  • First, start your system and copy your data file from its source.
  • Now, paste the copied data to the desktop.
  • Then, copy and paste the data to the original location.
  • Lastly, sign in to QuickBooks with your login credentials.

9th Troubleshooting Method: Restarting the Database Server Manager

If you do not have Database Server Manager on the server system, you cannot access the company file in the multi-user mode and might encounter QuickBooks error 6190 816.
As you cannot launch the QBDSM on the system, it might cause the multi-user mode to switch back to the single-user mode constantly. To fix it, you need to restart the QBDSM.

The following is the procedure you must apply if you want to get rid of this error quickly:
Note: Before following any of the steps, reboot the system.

If you have QuickBooks Desktop and Database Server Manager installed on the system

  • First, you should launch the QB Desktop on the server system.
  • Then, click the File tab and then the option to Open or Restore Company.
  • Proceed to choose the Open a Company File option. Now, search for the company file to open it.
  • Then click the Next option.
  • After that, click the checkbox to Open file in multi-user mode, then click Open.
  • Using your credentials, sign in to the company file.
  • Proceed to click the File tab to close the company file on the server and then click Close Company/Log off.
  • Furthermore, go to the desktop screen and click the Start menu.
  • After that, type Database and hit Enter to launch the QB Database Server Manager.
  • If everything works accordingly, you have fixed the issue. However, If the error message 6190 and 816 again pops up, follow the steps below.

If you only have Database Server Manager installed on the system:

  • Begin by selecting the Windows Start menu.
  • Then, in the Control Panel, choose the Administrative Tools option.
  • Now, a list will be displayed on the screen. From the list, click Services.
  • Finally, you must right-click the QuickBooksDBXX service. Then, choose the option to Restart.

Note: XX is the year of the QBDSM. For instance, QuickBooksDB31 is the 2021 version.

10th Troubleshooting: Repair the QuickBooks File Registry

By repairing the QuickBooks File Registry, you’ll likely get rid of error code 6190. You can follow the following procedure for fixing registry files-

  • Start by pressing the Windows key on your keyboard. Or you can tap on the “Start” menu at the bottom left of your device screen.
  • When the search box shows up, type “Command Prompt.”
  • Ensure to use “Ctrl + Shift + Enter” while the command prompt opens on your screen.
  • After that, type “Regedit” in the Command Prompt Window and Enter.
  • You’ll see an editor on the screen for window registry; click on the link related to QuickBooks error 6190 816.
  • Now you can export it by clicking the ” Export ” option and saving it.
  • As a final step, follow the prompt that you see on the screen and complete the process.

Also Read- Failed to Resolve QuickBooks Error 1402? Fix it!

11th Troubleshooting Method: Use ‘System Restore Point’ to Restore The System

  • Press the ‘Windows‘ key and open the system restore by clicking on it.
  • Now, you’ll receive specific instructions on the screen.
  • Follow these instructions to finish the process.
  • After completing the process, restart your system

12th Troubleshooting Method: Use the QuickBooks Refresher Tool

The QuickBooks Refresher Tool proves beneficial in fixing many technical issues, including this error. You can follow the steps given below to use the tool-

  • Download the QuickBooks Refresher Tool on your device.
  • Now double-click and open the ‘qbrefresherv1.exe’ file.
  • Using Task Manager, you now need to close all the programs running in the background.
  • Follow the instructions given on-screen and refresh the QuickBooks app.
  • After following this process, reopen the QuickBooks company file; you will see the QuickBooks Error 6190 & 816 eliminated

Wrapping Up!!

We have given the 12 best troubleshooting methods in this article. If one fails to rectify QuickBooks error 6190 816, jump to the next. However, if you feel that you have invested more than the required time to eliminate this issue, no worries!! Contact our QuickBooks Data Service Solutions team at +1-(855)-955-1942 for professional guidance. QuickBooks Helpline service can also provide further assistance to solve your queries.

Question 1: What are the top 3 reasons for QuickBooks error 6190 816?

Ans: The following are the three primary factors that are commonly responsible for provoking Error message 6190 and 816 in QB:
1. When one user opens the company file in the single-user mode instead of multi-user mode.
2. Corruption in the transaction log file (.tlg) and the company file (.qbw)
3. If the company file you are trying to access is damaged.

Question 2: How do you manually back up the QuickBooks Company file?

Ans: 1. First, click the File tab and choose Switch to Single-user Mode.
2. Again, go back to the File tab, click Back up Company, and then Create Local Backup.
3. Now, click Local Backup and then Next.
4. Then, click Browse and choose a location to save the file.
5. You can set no. of backup you wish to keep.
6. Then, run a test to see if the backup file is in good health and click save.
7. Finally, click OK and further, choose Sava and then Next.

Question 3: How to update the Windows OS?

Ans: Updating the Windows to its latest release might also rectify QuickBooks Error 6190 and 816.
1. Begin by clicking on the Start Menu
2. Then, in the Control Panel, click on the Settings option.
3. Proceed to choose the Update and Security option.
4. Afterward, click the Check for updates option in the Windows Update tab.
5. Now, check for the new updates; if they are available, install them.
6. Lastly, as the installation process is over, reboot the system.

You can try installing new updates for the QB Desktop to fix this error.

Question 4: How do I scan the folder in QBDSM?

Ans: 1. Start by clicking on the Star menu on the server system
2. Now, in the search box, type Database and hit Enter.
3. Then, as you hit the Enter key, it will launch the QBDSM
4. Now, choose the Scan Folders tab and click Browse.
5. Further, select the folder having the company files (QBW).
6. Then, choose OK.
7. Proceed to select Start Scan whenever you are ready.
After scanning the folders, they appear in the QuickBooks company files found section. You can easily open the company files in these folders from different workstations on the network.

Question 5: How can the QuickBooks Database Server Manager be used to fix QuickBooks error 6190 816?

Ans: You need to first download and install the QBDBMgrN on the server system. Then follow the given step:
1. Open the system and head to its Start menu.
2. Now, go to the Search tab and enter QuickBooks database server manager.
3. Then, open QBDBMgrN.
4. Now, you have to update the database manager to the latest version.
5. Lastly, reboot the server as the update process completes.
6. Then, open the QB desktop on the server system as well as the workstation

Oscar Joe Editor
Oscar Joe is a Certified Accountant with Expertise in QuickBooks, Sage and Quicken Accounting Software. Joe has been working with Data Service Solutions for the last 3 years as a QuickBooks Expert and is Helping Accounting software users with their day to day accounting tasks and issues.
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