Error ‘QBDBMgrN not running on this computer’

QBDBMgrN is a function introduced by Intuit that enables multiple users to access the database and the company file stored in the hosting server. If QBDBMgrN service is disabled in your system, QuickBooks will give you an error “QBDBMgrN not running on this computer” when you use Multi-user mode.

In this blog, we will discuss error “QBDBMgrN not running on this computer”, how to fix it and several problems arising from this error.

Problems caused by ‘QBDBMgrN not running on this computer’

You may encounter various QB issues when QBDBMgrN stops running on the computer.

1. The firewall restricts QuickBooks to access the internet.
2. Improper configuration of firewall/
3. QuickBooks Database server manager is not updated.
4. Incorrect installation of QuickBooks database server manager.
5. Third-party firewall software is restricting QuickBooks.
6. QuickBooks Network file problems.

How to Fix QBDBMgrN not running on this computer

There are various solutions to fix this error, try restarting your computer if the problem still exists then follow the steps mentioned below:

Fix 1: Update Windows Firewall

1. Press Windows + R, go to Run window and type Control panel.
2. Click Enter and select System and Security
3. Go to Windows Firewall, under the Update your Firewall Settings section >> Check for Updates.
4. Check for updates and click on Update Now.
5. Now Restart your PC and Open QuickBooks.

Fix 2: Restart QuickBooks Database Server Manager Service

1. Firstly, Press Windows + R to open the Run
2. In the Run box, you have to type msc and then press Enter.
3. Scroll down and search for QuickBooks Database Server Manager named as one of these QuickBooksDB28, QuickBooksDB27or QuickBooksDB26.
4. Right-click the exact service and select
5. Now, try to open QuickBooks.

Fix 3: Repair QuickBooks Desktop

1. Press Windows + R > Run window > type cpl.
2. Select Enter and navigate QuickBooks in the installed programs.
3. Double-click on QuickBooks and select Uninstall/Change.
4. Now Select Continue >> Next >> Repair >> Next.
5. Wait till the repair process finishes.
6. Once it’s done, click on Finish and Restart

Fix 4: Reinstall QuickBooks using Clean Install Tool

• Uninstall QuickBooks

1. Press Windows + R, go to Run window and type Control panel.
2. Now choose Programs and Features. Select Uninstall a Program if the Control Panel is in Category View.
3. From the list of programs, you have to choose QuickBooks and then Uninstall/Change.

• Download & Run QuickBooks Clean Install Tool

1. You need to download QuickBooks Clean Install Tool.exe file.
2. Open QuickBooks_clean_install_utility.exe
3. Select your QuickBooks version and Continue.
4. Click Ok when the message prompts ‘QuickBooks is ready for Clean Install’

• Rename the installation folders manually

1. Use Windows Explorer to show the hidden files.
2. Rename all the folder locations listed for your Windows version.
3. You need to add “old” or “damaged at the end of a folder name.
4. C:\ProgramData\Intuit\QuickBooks (year)
5. C:\Users\(current user)\AppData\Local\Intuit\QuickBooks (year)
6. C:\Program Files\Intuit\QuickBooks(year)
7. 64-bit version C:\Program Files (x86)\Intuit\QuickBooks (year)

Follow the above solutions to fix the error, our experts are available to guide you if you face any problem while following any procedure. Call us on our QuickBooks Enterprise Support Phone Number 1-805-257-5030.