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How to Permanently Stop ‘QBDBMgrN Not Running Error’?

QuickBooks Database Server Not Running on this Computer server Error

QBDBMgrN Not Running Error occurs when QuickBooks Database Server Manager abruptly stops working.

If QBDBMgrN service is disabled, then QuickBooks will be accessible in Single-user mode only and thus, you won’t be able to switch to multi-user mode. This error code states that the service is interrupted by Windows firewall and blocks its connection to the internet. QBDBMgrN (QuickBooks Database Server Manager Service) is an executable process on Windows with the.exe extension that allows you to share your data files with other systems over the network. Multiple users can simultaneously access the database and the company file stored on the file hosting server. That further, displays the error message:  

“QBDBMgrN not running on this computer”


“Windows Firewall: Disabled exceptions not defined“

Let’s Look at the causes that triggers the QBDBMgrN not running error on your desktop and easy steps to deal with it.

QBDBMgrN Not Running

Scared if manual troubleshooting can risk your accounting data? Well if that’s so, Place a call on our Helpline number +1(855)-955-1942 to take professional’s help.

Significant Causes Behind QBDBMgrN Not Running On This Computer Server Issue?

While accessing the QuickBooks database server manually, so many reasons can trigger the QBDBMgrN not running error. All such possible causes are listed below:

  • Misconfigured Windows Firewall security settings.
  • If QuickBooks Database Server Manager service is not up to date.
  • Corrupt or partial installation of the QuickBooks Database Server Manager.
  • Due to the obstruction of the third-party Firewall, QuickBooks is unable to access the server.
  • Damaged Network Data (.ND) file can also trigger QBDBMgrN exe not running issue.

How To Identify QBDBMgrN Not Running On Server Error?

Below mentioned points specifies all the common measures that will help you whenever you get stuck with QBDBMgrN not running on this computer error:

  • QuickBooks Database Server Manager Stopped.
  • QuickBooks database service won t start
  • QuickBooks 2021 server not running
  • QBDBMgrN not running on server error will restrict you from accessing QuickBooks in multi-user mode.
  • You won’t be able to access your company file.
  • Restrictive Windows Firewall setting doesn’t allow QuickBooks to connect to the Internet.
  • QuickBooks Database Server updates are not appropriate.

Related Article- QuickBooks 2018 Discontinuation Policy – Desktop Service Discontinued

Solutions to fix ‘QBDBMgrN Not Running On This Computer’ Error

By taking into consideration all the queries that QB users posted on the public support forums, we have come up with the below-listed troubleshooting methods. Implementing these would surely help you eliminate the QBDBMgrN not running on this computer error:

NOTE: You should try running the QuickBooks File Doctor Tool to fix the QBDBMgrN not running error. That’s because it only repairs damaged company files and networks instead of configuring your firewall settings. We would suggest you adjust the firewall and its ports manually to enable QuickBooks Database Server Manager Service to connect with the network or internet again.

Solution 1: Install Latest Windows Firewall Updates

Apart from providing you with the latest security updates and patches, installing the Windows Firewall updates also ensures that the Firewall is not restricting QuickBooks from accessing the company file. Following the below-mentioned steps would help you install the latest Firewall updates: 

  • Simultaneously press Windows + R key to open the Run Window. Then, type Control Panel in the text space and press the Enter key.
  • Now, click on the System and Security option. Alternatively, to open the firewall settings you may also enter firewall.cpl command.
  • Select Windows Firewall and under the Update your Firewall Settings section, press (Check for Updates).
  • Click on Update Now if Windows finds any updates. Further, use the Recommended Settings option and wait until installation of all the updates are completed.
  • Lastly, restart your computer and open the QuickBooks application once again to check if QBDBMgrN not running error persists or not.

IMPORTANT: There might be a possibility of getting an error while updating the firewall, thus, in that case, you have to update the firewall by downloading the updated files manually. The update files are separate for 32-bit and 64-bit Windows operating systems. You need to Download and open the updates by clicking on the below-mentioned links. 

Further, install the updates by following the instructions that appear on your screen. However, if you are looking for a detailed guide to manually download and install the Windows firewall updates, then you can click here.

Solution 2: Re-Open QuickBooks Database Server Manager Service

QuickBooks Database Server Manager is considered as one of the primary components when it comes to Multi-User mode. It includes different versions like QuickBooksDB26, QuickBooksDB27, QuickBooksDB28, QuickBooksDB29, etc. Thus, restarting its service will help to resolve the QBDBMgrN not running error.

  • Open the Run window by pressing the Windows + R key simultaneously on your keyboard.
  • In the text space, Type Services.msc and press the Enter key.
  • Now, scroll down and search for QuickBooks Database Server Manager Service. It can be listed as either QuickBooksDB28, QuickBooksDB27 or QuickBooksDB26 (Here, 28 stands for 2018 version, 27 for 2017, and 26 for 2016 QuickBooks version and the same implies to QuickBooks 2020 version).
  • Right-click on the required QuickBooks Database Server Manager Service and select the Restart option.
  • Try opening the QuickBooks application once again and if you are still unable to run QuickBooks, then you may proceed to the next troubleshooting solution to fix QBDBMgrN not running error.

NOTE: Update your Windows Firewall if you see the error message “The QuickBooksDB26 Service on Local Computer started then stopped. Some services stop automatically if they are not in use by other services or programs“ while trying to start the QuickBooks services.

Solution 3: Add QBDBMgrN Service to Firewall and its Ports

  • Click on the Windows icon on your Desktop and type Windows Firewall in the Search Programs and Files search box.
  • Select Windows Firewall from the list of programs.
  • Now, go to the Advanced settings tab. Right-click Inbound Rules and click on the New Rule option.
  • Click on Next under the Programs tab and select This Program Path.
  • Further, choose the QuickBooks file location and click Next.
  • Moving ahead, choose Allow the Connection and then click Next.
  • Make sure to mark all the checkboxes and click Next.
  • Type a name for this rule and click Finish.
  • Repeat the above steps to set the outbound rules as well. All you need to do is select outbound rules instead of Inbound rules.
  • Exclude QBDBMgrN.exe file located in C:\ Program Files\ Intuit\ QuickBooks folder.
  • Don’t forget to save the settings in the firewall and try to use the QuickBooks application once again.

Solution 4: Repair the QuickBooks Desktop Application

Damaged QuickBooks installation files is one the reasons that may trigger errors such as QBDBMgrN not running while running Multi-User mode in QuickBooks. Fix it by running a repair on the QB desktop application.

  • Press Windows + R keys simultaneously and in the Run window (type appwiz.cpl). Then, press the Enter key.
  • Now, search for QuickBooks in the list of installed programs.
  • When found, click on it followed by the Uninstall/Change option.
  • Click on Continue followed by Next.
  • After that, choose the Repair option and then click on Next. Further, wait till the repair process gets completed.
  • At last, press on Finish button and restart Windows.

Solution 5: Reinstall QuickBooks using the Clean Install Tool

By installing the QuickBooks desktop application, you will get fresh copies of QuickBooks installed on your system. It will help you fix all the issues that you unable to rectify by repairing the application. However, before you begin reinstalling the QB application with the QuickBooks clean install tool, we would suggest you take a backup of your QuickBooks company file to avoid any accidental data loss.

Solution 6: Set your server to Host QuickBooks in Multi-User Mode

  • Firstly, you have to run the QuickBooks Desktop application on the server workstation.
  • Then, go to the File menu and click on the Utility option.
  • Verify if QuickBooks is set to host company files to multiple users in the network from the drop-down menu.
  • If you come across an option that displays, “Host Multi-User Access”, it means that multi-user hosting is disabled.
  • Click on the same option and then, turn on multi-user hosting in QuickBooks.
  • However, if the “Stop Hosting Multi-User Access” option appears on the screen, it means that the system is in the right configuration. If the QBDBMgrN not running error persists, you can proceed to the next troubleshooting step.

Solution 7: Ping Server from Users Workstation to check the Inter-Network Connectivity

To know if QuickBooks server and the workstation are communicating with each other or not, Look at the given steps:

  • Click on the Windows icon and search for Network and Sharing Center on both Server and users workstations.
  • Further, select the Change Advanced Sharing Settings option and make sure to select the Turn on Network Discovery option.
  • Now, you need to press Windows + R keys on the server computer. Type CMD in the text space and press the Enter key.
  • It will open the black color command prompt window on your screen, type ipconfig/all in the text area and press the Enter key.
  • Make sure to note the hostname that appears next to the Host Name under IP configuration.
  • Open the Run command window on the user’s workstation on which you encountered the QBDBMgrN not running error. Type CMD and press the Enter key.
  • Further, enter the command ping your server name and press the Enter key.
  • If you receive all the packets that were sent, then it means there is no issue with this workstation. However, you can repeat the same steps to check if other workstations are having the same issue.

Thank you for stopping by! Troubleshooting methods mentioned in this blog must have helped you resolve QBDBMgrN not running error without any hassle. However, if the error persists and you’re unable to start QBDBMgrN on your computer, we would suggest you to get in touch with our team of experts for quick and reliable support. All you need to do is give us a call on our QuickBooks Data Service Solutions Toll-Free Number +1(855)-955)-1942. Our team will provide you with instant resolution.

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