Resolving the “QBDBMGRN Not Running on this Computer” Error in QuickBooks: A Comprehensive Guide

QuickBooks is a cornerstone for many businesses, offering robust accounting solutions that streamline financial management. However, users may occasionally encounter errors that disrupt their workflow. One such issue is the “QBDBMGRN Not Running on this Computer” error, which can prevent access to essential company files. This error typically arises when the QuickBooks Database Server Manager (QBDBMGRN) stops functioning correctly on a multi-user setup. This guide will explore the causes, symptoms, and solutions for the “QBDBMGRN Not Running on this Computer” error, providing detailed steps to resolve and prevent it from recurring.

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Understanding the “QBDBMGRN Not Running on this Computer” Error

The QuickBooks Database Server Manager (QBDBMGRN) is crucial for managing QuickBooks company files in a multi-user environment. It allows multiple users to access the company file simultaneously, ensuring that data remains synchronized across all systems. When the QBDBMGRN service stops running, users may be unable to open their company file, leading to the “QBDBMGRN Not Running on this Computer” error.

Common Causes of the “QBDBMGRN Not Running on this Computer” Error

Several factors can contribute to the occurrence of this error:

  1. Service Stopped: The QBDBMGRN service may have stopped running on the server or hosting computer.
  2. Firewall or Security Software: Firewall or security software settings may be blocking the QBDBMGRN service.
  3. Corrupted QuickBooks Installation: Issues with the QuickBooks installation can prevent the QBDBMGRN service from running correctly.
  4. Network Configuration Issues: Problems with network configuration can interfere with the QBDBMGRN service.
  5. Outdated QuickBooks Version: Using an outdated version of QuickBooks can cause compatibility issues with the QBDBMGRN service.
  6. Windows Updates: Recent Windows updates can sometimes interfere with QuickBooks services.

Symptoms of the “QBDBMGRN Not Running on this Computer” Error

Identifying the symptoms of this error can help diagnose and address the problem more effectively. Common symptoms include:

  1. Error Message: Receiving an error message indicating that QBDBMGRN is not running.
  2. Unable to Open Company File: QuickBooks cannot open the company file in a multi-user environment.
  3. Performance Issues: QuickBooks runs slowly or becomes unresponsive when accessing the company file.
  4. Disconnected Users: Users are disconnected from windows 11 the company file during their session.

Solutions to Fix the “QBDBMGRN Not Running on this Computer” Error

To resolve the “QBDBMGRN Not Running on this Computer” error, follow these detailed steps. Ensure each step is performed carefully to avoid further complications.

Solution 1: Restart the QuickBooks Database Server Manager

Restarting the QBDBMGRN service can resolve the issue if it has stopped running.

  1. Open Services:
    • Press Windows + R to open the Run dialog box.
    • Type services.msc and press Enter.
  2. Locate QBDBMGRN:
    • In the Services window, locate QuickBooksDBXX (where XX is your QuickBooks version, e.g., 28 for QuickBooks 2018).
  3. Restart the Service:
    • Right-click on QuickBooksDBXX and select Restart.
  4. Check Status:
    • Ensure that the service status changes to “Running.”

Solution 2: Configure Firewall and Security Software Settings

Firewall and security software can block the QBDBMGRN service. Configuring these settings can help resolve the issue.

  1. Open Firewall Settings:
    • Go to Control Panel > System and Security > Windows Defender Firewall.
  2. Allow QuickBooks through Firewall:
    • Click on Allow an app or feature through Windows Defender Firewall.
    • Ensure that QuickBooks and QuickBooks Database Server Manager are allowed through the firewall.
  3. Configure Third-Party Antivirus:
    • If using third-party antivirus software, configure it to allow QuickBooks and QBDBMGRN service.
  4. Restart Computer:
    • Restart your computer and try accessing QuickBooks again.

Solution 3: Use QuickBooks Tool Hub

QuickBooks Tool Hub can help diagnose and fix common issues with QuickBooks services.

  1. Download QuickBooks Tool Hub:
    • Visit the official Intuit website and download the QuickBooks Tool Hub installer.
    • Follow the on-screen instructions to install QuickBooks Tool Hub.
  2. Run QuickBooks Tool Hub:
    • Open QuickBooks Tool Hub and go to the Network Issues tab.
    • Select QuickBooks Database Server Manager and follow the prompts to run the tool.
  3. Restart QuickBooks:
    • After the tool has completed, restart QuickBooks and check if the issue is resolved.

Solution 4: Update QuickBooks Desktop

Ensuring that you are using the latest version of QuickBooks Desktop can help resolve many issues.

  1. Check for Updates:
    • Open QuickBooks Desktop and go to Help > Update QuickBooks Desktop.
  2. Download and Install Updates:
    • Click on Update Now and then select Get Updates.
    • Restart QuickBooks after the updates are installed.

Solution 5: Verify and Repair QuickBooks Installation

Issues with the QuickBooks installation can prevent the QBDBMGRN service from running correctly.

  1. Open Control Panel:
    • Go to Control Panel > Programs and Features.
  2. Repair QuickBooks:
    • Select QuickBooks from the list of installed programs and click Repair.
    • Follow the on-screen instructions to complete the repair process.

Solution 6: Check and Reconfigure Network Settings

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Network configuration issues can interfere with the QBDBMGRN service. Reconfiguring these settings can help resolve the issue.

  1. Verify Network Configuration:
    • Ensure that your network is set up correctly for a multi-user environment.
    • Check that all computers are on the same network and can communicate with each other.
  2. Reconfigure Hosting Settings:
    • Open QuickBooks on the server and go to File > Utilities > Host Multi-User Access.
    • Ensure that hosting is enabled on the server.
  3. Restart Network Devices:
    • Restart your router and modem to refresh network connections.

Solution 7: Perform a Clean Install of QuickBooks

If none of the above methods work, performing a clean install of QuickBooks might help.

  1. Uninstall QuickBooks:
    • Go to Control Panel > Programs and Features.
    • Select QuickBooks and click Uninstall.
  2. Rename QuickBooks Folders:
    • Rename the installation folders to ensure no old files interfere with the new installation. Common folder locations include:
      • C:\Program Files\Intuit\QuickBooks
      • C:\ProgramData\Intuit\QuickBooks
      • C:\Users\[Your User Name]\AppData\Local\Intuit\QuickBooks
      • C:\Users\[Your User Name]\AppData\Roaming\Intuit\QuickBooks
  3. Reinstall QuickBooks:
    • Download the QuickBooks installer from the official Intuit website.
    • Follow the on-screen instructions to reinstall QuickBooks.
  4. Reconfigure QuickBooks Database Server Manager:
    • After installation, open QuickBooks Database Server Manager from the Start menu.
    • Add your company file and ensure that the service is running.

Preventive Measures to Avoid the “QBDBMGRN Not Running on this Computer” Error

Taking preventive measures can help you avoid encountering the “QBDBMGRN Not Running on this Computer” error in the future. Here are some recommendations:

Regular Updates

  • Keep QuickBooks Updated: Regularly update QuickBooks Desktop to the latest version to benefit from new features and bug fixes.
  • Update Windows and Other Software: Regularly update your operating system and other software to maintain compatibility with QuickBooks.

Stable Network Connection

  • Reliable Internet Service: Use a reliable internet service provider to ensure a stable connection.
  • Network Maintenance: Regularly maintain your network equipment, such as routers and modems, to avoid connectivity issues.

Proper Security Configurations

  • Configure Firewall and Antivirus: Ensure that your firewall and antivirus software are configured to allow QuickBooks operations without interference.
  • Regular Security Checks: Periodically review and adjust your security settings as needed.

User Training

  • Educate Users: Train your employees on the correct procedures for using QuickBooks and managing multi-user environments.
  • Permissions Management: Ensure that users have the appropriate permissions to access and modify QuickBooks files.

Backup Regularly

  • Regular Backups: Regularly back up your QuickBooks company file to prevent data loss and make it easier to recover from errors.


The “QBDBMGRN Not Running on this Computer” error can be a significant hindrance to your business operations, especially when it prevents access to essential financial data in a multi-user environment. However, with a thorough understanding of its causes and solutions, you can effectively troubleshoot and resolve this issue. Regular maintenance, updates, and proper configurations are key to ensuring the smooth functioning of QuickBooks. If the error persists despite following these steps, consider seeking assistance from QuickBooks support or consulting with a qualified IT professional. By staying proactive and informed, you can maintain the efficiency and reliability of your business operations with QuickBooks.

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