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Troubleshooting the "QBDBMGRN Not Running on This Computer" Error: A Comprehensive Guide

QBDBMGRN Not Running

Encountering technical issues can be daunting, especially when they interfere with business operations. One such problem that many QuickBooks users face is the “QBDBMGRN not running on this computer” error. This article provides a detailed and positive guide to understanding, diagnosing, and resolving this issue, ensuring your QuickBooks runs smoothly

Understanding QBDBMGRN

QBDBMGRN stands for QuickBooks Database Server Manager, a crucial component that allows multiple users to access the QuickBooks company file stored on a server. When QBDBMGRN is not running, it means the server managing the QuickBooks database is not active, which can disrupt multi-user mode and hinder access to your company file.

Common Causes of QBDBMGRN Issues

Before diving into solutions, let’s explore some common reasons why QBDBMGRN might not be running:

  1. Service Stopped: The QBDBMGRN service may have stopped due to manual intervention or system issues.
  2. Firewall Restrictions: Firewall settings might be blocking the QuickBooks Database Server Manager from functioning correctly.
  3. Antivirus Interference: Security software can sometimes mistakenly identify QBDBMGRN as a threat, thus blocking it.
  4. Corrupted QuickBooks Installation: Damaged or incomplete installation files can cause the service to malfunction.
  5. Windows Updates: Recent updates to the Windows operating system may interfere with QuickBooks services.

Diagnosing the Problem

To address the “QBDBMGRN not running on this computer” error, you first need to identify the root cause. Here’s how to diagnose the problem:

Check the Service Status:

    • Press Windows + R to open the Run dialog box.
    • Type services.msc and press Enter.
    • In the Services window, look for QuickBooksDBXX (where XX represents your QuickBooks version).
    • Ensure the status is set to “Running.” If not, right-click and select “Start.”

Review Firewall Settings:

    • Open your firewall settings and check if QuickBooks Database Server Manager is allowed.
    • Ensure ports 8019, 56728, and 55378-55382 are open.

Antivirus Configuration:

    • Temporarily disable your antivirus software to see if it resolves the issue.
    • If it does, add QuickBooks Database Server Manager to the antivirus exceptions list.

Use QuickBooks File Doctor:

    • Download and run the QuickBooks File Doctor tool from the Intuit website.
    • This tool can automatically diagnose and fix many common issues, including problems with QBDBMGRN.

Solutions to Fix QBDBMGRN Issues

Once you’ve diagnosed the issue, it’s time to apply the appropriate solutions. Below are step-by-step methods to resolve the “QBDBMGRN not running on this computer” error.

Solution 1: Restart QuickBooks Database Server Manager

Open Services:

    • Press Windows + R and type services.msc.
    • Locate QuickBooksDBXX in the list.

Restart the Service:

    • Right-click on QuickBooksDBXX and select “Restart.”
    • If the service is not running, right-click and select “Start.”

Solution 2: Configure Firewall Settings

Open Firewall Settings:

    • Go to Control Panel and select “System and Security.”
    • Click on “Windows Defender Firewall” and then “Advanced Settings.”

Allow QuickBooks Through Firewall:

    • Select “Inbound Rules” and then “New Rule.”
    • Choose “Port” and enter the specific ports used by QuickBooks.
    • Follow the prompts to complete the rule setup.

Repeat for Outbound Rules:

    • Ensure both inbound and outbound rules are set for QuickBooks.

Solution 3: Update QuickBooks and Windows

Update QuickBooks:

    • Open QuickBooks and go to the Help menu.
    • Select “Update QuickBooks Desktop” and follow the prompts to update.

Update Windows:

    • Go to Settings > Update & Security > Windows Update.
    • Check for updates and install any available updates.

Solution 4: Reinstall QuickBooks Database Server Manager

Uninstall the Current Version:

    • Go to Control Panel > Programs and Features.
    • Locate QuickBooks Database Server Manager and select “Uninstall.”

Download the Latest Version:

    • Visit the Intuit website and download the latest version of QuickBooks Database Server Manager.

Install the New Version:

    • Follow the installation prompts and ensure the service is running post-installation.

Solution 5: Check Multi-User Mode Settings

Verify Hosting Settings:

    • Open QuickBooks on the server and go to the File menu.
    • Select “Utilities” and ensure “Host Multi-User Access” is checked.

Reboot All Computers:

    • Restart all computers connected to the QuickBooks server.
    • Ensure that QuickBooks Database Server Manager is running on the server after rebooting.

Preventive Measures

To avoid encountering the “QBDBMGRN not running on this computer” error in the future, consider the following preventive measures:

Regular Updates:

    • Keep your QuickBooks software and Windows operating system up to date with the latest patches and updates.

Scheduled Maintenance:

    • Regularly check the status of QuickBooks services and perform routine maintenance.

Backup Important Data:

    • Regularly back up your QuickBooks company files to prevent data loss in case of system failures.

Security Settings:

    • Configure your firewall and antivirus software to allow QuickBooks operations without interruptions.


Dealing with the “QBDBMGRN not running on this computer” error can be challenging, but with the right approach, you can resolve it effectively. By following the steps outlined in this guide, you’ll be able to diagnose the issue, apply the appropriate solutions, and implement preventive measures to ensure smooth and uninterrupted QuickBooks operations.

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