QBDBMgrN not running error is a service-level disruption in the QuickBooks Database Server Manager (QBDBMgrN) that affects multi-user operations in QuickBooks Desktop. This error prevents multiple users from accessing company files simultaneously, causing workflow interruptions and reduced productivity.
This service-level interruption typically results from issues with the QuickBooks Database Server Manager, which is essential for multi-user environments, and can leave users unable to perform networked operations until the service is restored.
The article examines the operational role of QBDBMgrN, the factors that cause the stopped state, and the technical steps to restore the service stability. It also highlights how firewall configurations, network paths, installation errors, and version mismatches affect multi-user functionality in QuickBooks Desktop.
What is QuickBooks Database Server Manager Not Running Error?
QuickBooks Database Server Manager Not Running Error refers to a service-level interruption in QBDBMgrN (QuickBooks Database Server Manager). QBDBMgrN is the service that enables QuickBooks Desktop to host company files for concurrent multi-user access on a file-hosting server. The error appears when the QBDBMgrN service stops, fails to initialize, or loses connectivity with QuickBooks Desktop. QuickBooks defaults to single-user mode when QBDBMgrN is inactive, which prevents the multi-user hosting environment from operating.
The error is displayed through several system-generated messages, including:
- “QBDBMgrN is not running on this computer”
- “QuickBooks Database Server Manager stopped”
- “QuickBooks Database Server Service is not active”
- “QuickBooks has run out of licensed users for this database”
- “Cannot connect to QuickBooks Database”
These messages indicate that QuickBooks cannot connect to the Database Server Manager, which is essential for hosting and multi-user functionality. The error limits access to company files, reduces multi-user performance, and disrupts secure network communication. QuickBooks Desktop cannot function reliably in multi-client or remote environments until the service is restored. This error often occurs due to firewall restrictions, service misconfigurations, network path errors, and version mismatches between QuickBooks Desktop and QBDBMgrN.
Reasons for the QBDBMgrN Not Running on This Computer Error
The “QBDBMgrN not running on this computer” error occurs when the firewall blocks QuickBooks Desktop from connecting to the Intuit server during update or upgrade QuickBooks. This makes the firewall treat QBDBMgrN as an unknown service and block internet access.
Users try to resolve the issue using QuickBooks File Doctor to repair the company file and network. However, the system may display the message, “Repair the following network problems before accessing your company file from other computers on the network *QBDBMgrN not running on this computer server.”
QB File Doctor cannot modify firewall settings, which are often the primary cause of the error. Resolving the problem requires manually adjusting firewall configurations and opening the necessary ports to allow the Database Server Manager (QDSM) to connect to the Internet.
Primary Causes of the QBDBMgrN Not Running Error
QBDBMgrN not running error involve operational, network, and configuration factors that interrupt the runtime behavior of QBDBMgrN (QuickBooks Database Server Manager). The service depends on correct installation, current version alignment, stable network paths, and unrestricted communication through system security layers. Any disruption in these factors causes the QBDBMgrN service to stop. The primary factors responsible for triggering this error are:
- Outdated QuickBooks Database Server Manager version.
- Firewall configuration that blocks QBDBMgrN communication.
- Third-party security application that interferes with QuickBooks processes.
- Damaged or incomplete installation of QuickBooks Database Server Manager.
- Security rule set that restricts QuickBooks service ports or executables.
- Network environment with unstable or limited connectivity.
- Network descriptor file containing corrupted or invalid path entries.
- A version mismatch between QuickBooks Desktop and Database Server Manager.
- Windows service configuration that fails to initialize QBDBMgrN.
- QuickBooks environment with incompatible client and host versions.
- Permission structure that lacks administrative rights for hosting operations.
- Server directory path that contains corruption or invalid directory references.
- Hosting configuration left in single-user mode during multi-user operations.
- A system state in which the QBDBMgrN service is disabled.
What Are the Symptoms of QBDBMgrN Not Running Error?
QBDBMgrN not running error indicates disruptions in QuickBooks Desktop operations when the Database Server Manager fails to maintain a stable hosting environment. The error affects company-file access, network communication, and service availability across connected workstations. The following indicators represent the primary conditions observed when the Database Server Manager is inactive or unresponsive.
- QuickBooks network descriptor (.ND) file errors.
- Company file (.QBW) access failures.
- Firewall configurations that interfere with service communication.
- Database Server Manager updates processes that do not complete.
- Multi-user mode settings that fail to activate.
- Internet connections that lack stability.
- Network file services within QuickBooks that do not respond.
- Workstation connectivity interruptions.
- Company-file sessions do not save changes reliably.
- System messages reporting Database Server Manager unavailability.
- 6000-series and H-series error codes display during file operations.
- QuickBooks add-on services, including Payroll, do not function.
- Third-party data-sync processes that do not complete.
- Company files that do not open across supported formats.
- QuickBooks experiences slow or unresponsive operation.
Pre-Measures Steps for Resolving the QBDBMgrN Not Running Error
QBDBMgrN not running error requires verifying system compatibility, checking QuickBooks installation integrity, and verifying that network and user configurations support multi-user operations. Completing these preparatory steps reduces service interruptions and allows corrective actions to be applied effectively.
Before diving into the solution process for the “QBDBMgrN not working on this computer” error, let’s establish some essential prerequisites to simplify the fix:
1. Check QuickBooks Installation: Verify that QuickBooks is correctly installed on the computer where the “QuickBooks server not running” error occurs. Ensure you have installed the appropriate QuickBooks version compatible with your license and operating system.
2. Meet System Requirements: Verify that your operating system satisfies the minimal specifications needed to run QuickBooks. This includes checking supported operating systems, processor speed, RAM, disk space, and other hardware specifications. This can result in the QuickBooks Database Server Manager St-oped error if these conditions are not met.
3. Update QuickBooks: Always use the latest version of QuickBooks, which includes updates and patches to address bugs, performance issues, and compatibility problems.
4. Install QuickBooks Database Server Manager: Install the QuickBooks Database Server Manager on the computer hosting the company file to allow access to workstations connected to the network. Ensure proper setup enables multiple QuickBooks users to access the company file over the network without errors.
5. Verify Network Connectivity: Ensure consistent network connectivity between the computer hosting the company file and the one encountering the “QuickBooks QBDBMgrN not running on this computer” error. Confirm that both computers are connected to the same network and can communicate with each other by inspecting network cables, routers, firewalls, and other network devices.
6. Review Firewall and Antivirus Settings: Examine your firewall and antivirus software settings to ensure they are not blocking the QuickBooks Database Server Manager service. Configure exceptions or settings for QuickBooks and its associated services to function properly.
7. Check User Permissions and Access: Review the user account running QuickBooks on the affected computer and ensure it has the necessary permissions and access rights to utilize the QuickBooks company file. Verify user permissions, administrator rights, and security settings for proper configuration.
8. Create a File Backup: Before addressing the “QBDBMgrN not running on this computer” error, make backups of your company files and critical components. Secure these backups in a secure location to prevent data loss during troubleshooting.

How to Resolve QBDBMgrN Not Running on this Computer Issue?
“QBDBMgrN Not Running on This Computer” error can be resolved by updating Windows Firewall, restarting the Database Server Manager service, or repairing QuickBooks Desktop. These actions restore multi-user access, re-establish network file availability, and correct installation or configuration issues. Each step targets a specific factor causing the service interruption, providing a structured approach to restore operational stability.
For detailed instructions, follow the helpful step-by-step solutions:
Solution 1: Update Windows Firewall
Installing the Windows Firewall updates to acquire the most recent security updates and fixes. Updating the firewall will ensure that QuickBooks isn’t being mistakenly prevented from accessing the company file.
To resolve this issue, follow these steps:
- Step: Press the Windows + R keys simultaneously.
- Step: In the dialog box on the screen, type “Control Panel” and press OK.
- Step: Click the “System and Security” option within the Control Panel. Alternatively, you can access the firewall settings by typing “firewall.cpl” in the search bar and pressing Enter.
- Step: In the Windows Firewall settings, click on “Check for Updates.”
- Step: If Windows identifies any available updates, click on “Update Now” and select the “Use Recommended Settings” option. And allow the installation process to complete.
- Step: After the updates are installed, restart your computer.
After the restart, open QuickBooks again to check if the issue has been resolved.
Solution 2: Restart QuickBooks Database Server Manager Service
A potential troubleshooting method to address the QuickBooks database server stopped error is to restart QBDBMgrN services.
- Step: Press the Windows + R keys together.
- Step: Type “services.msc” in the run box and press OK.
- Step: From the list, find the “QuickBooks Database Server Manager Service” option.
- Step: Right-click on the QuickBooks Database Server Manager Service.
- Step: Choose the “Restart” option.
Launch QuickBooks after restart to verify if the issue has been resolved.
Solution 3: Repairing QuickBooks Desktop application
Damage to the QuickBooks installation files is one potential cause of problems when operating QuickBooks in Multi-User mode, and QBDBMgrN Not Running on this Computer error arises.
You can quickly fix the issue by running an application repair.
- Step: Commence by closing all background programs and restarting your computer.
- Step: Ensure you’ve created a backup of your company file for safety.
- Step: Access the Control Panel by selecting the Start menu, tying “Control Panel” in the search box, and pressing Enter.
- Step: Choose the “Programs and Features” options from the CP.
- Step: Locate the select “Uninstall a program” option.
- Step: In the program list, select the application and choose “Uninstall/Change,” then proceed with “Continue” and “Next.”
- Step: Opt for the “Repair” option and click “Next.”
- Step: Finally, select “Finish” and restart your system.
Following these sequential steps should help you effectively resolve any QuickBooks-related issues.
Solution 4: Use the QB Clean Install Tool
A clean installation of QuickBooks will give your computer a brand-new copy of the software. All the little issues you can’t remedy by mending the application will be resolved. It is generally advised to back up the QuickBooks company file before reinstalling the software to prevent data loss under unfavorable situations.
Step 1: Uninstall QuickBooks
To begin, follow these steps:
- Press both the Windows and the R keys simultaneously (Windows + R keys).
- In the dialog box on the screen, type “Control Panel” and select OK.
- Choose the “Programs and Features” option and click “Uninstall.”
- Locate QuickBooks in the list of programs and click “Uninstall” from the available options.
- Follow the prompts that appear to complete the uninstallation process.
Step 2: Run QuickBooks Clean Install Tool
Follow these steps:
- Download the latest version of the QuickBooks Clean Install Tool.
- Launch the “qbdbmgrn.exe” file and follow the instructions.
- Select your QuickBooks Desktop version and click “Continue.”
Step 3: Rename the QuickBooks Installation Folders
To do this, follow these steps:
- Make sure you have set your folder options to display hidden files.
- Rename the folders specific to your Windows version by adding “.Old” to the end of their names.
Launch QuickBooks after restart to verify if the issue has been resolved.
Solution 5: Reboot the System
To reboot the system, perform the following steps:
- Step: Log off from your QuickBooks Account.
- Step: Close QuickBooks Desktop and your account.
- Step: Restart your computer.
- Step: Launch QuickBooks and log in to your account using your Admin credentials after restarting.
After implementing the above steps, launch QuickBooks to verify if the error has been resolved.
Solution 6: Eliminate Database Server Manager from Firewall Settings
If your firewall is active, you can temporarily disable it to see if it’s causing the QB Database Server Manager Stopped issue.
- Step: Click the Windows taskbar icon, then right-click on your firewall’s icon.
- Step: Choose the option to disable it temporarily and select a duration, preferably 15 to 20 minutes.
- Step: Once the firewall is disabled, try to open the company file on the server again.
If you can now access the company file, it suggests that your firewall blocked QuickBooks from connecting to the server. In the next step, we’ll permanently resolve any firewall-related issues by adding QuickBooks services and ports.
Solution 7: Establish A Windows Firewall Exception To Permit Specific QuickBooks Services
Eliminating the QB Database Server Manager from the Windows Firewall settings will prevent the Windows Firewall from blocking the connection or interfering with QBDBMgrN.
- Step: Initially, launch the run box on the system.
- Step: Write “Windows Firewall” and click on OK.
- Step: Double-click on the list of programs and navigate to Advanced Settings.
- Step: Right-click Inbound Rules and choose a new rule from the drop-down menu.
- Step: Click Next.
- Step: Begin by choosing the TCP option and inputting the port numbers that are relevant to your particular QuickBooks version. You can locate these port numbers by executing QuickBooks Database Server Manager.
- Step: Next, follow the same steps to create outbound rules. Additionally, be sure to include the pathway for each QuickBooks service.
- Step: Switch to multi-user mode.
- Step: Finally, reboot the system.
To resolve the “QBDBMgrN not running on this computer after update” error, permit the below-given services in Windows firewall settings. The services listed below must be permitted through the firewall’s inbound and outbound connection settings. Ports for versions QuickBooks 20 and 80, 8019, 56725, 56728, 55363, and 55382.
AutoBackupExe.exe Default location C: \ Program Files \ Intuit\QuickBooks 20XX
Dbmlsync.exe Default location C: \ Program Files \ Intuit \ QuickBooks 20XX
DBManagerExe.exe Default location C: \ Program Files \ Intuit \ QuickBooks 20XX
FileManagement.exe Default location C: \ Program Files \ Intuit \QuickBooks 20XX
FileMovementExe.exe Default location C: \ Program Files \ Intuit \QuickBooks 20XX
IntuitSyncManager.exe Default location C:\Program Files \ Common Files \ Intuit \ Sync
QBCFMonitorService.exe Default location C: \ Program Files \Common Files \ Intuit \ QuickBooks
QBDBMgrN.exe Default location C: \ Program Files \ Intuit \ QuickBooks 20XX
QBGDSPlugin.exe Default location C: \ Program Files \ Intuit \ QuickBooks 20XX
QBLaunch.exe Default location C:\Program Files\Common Files\ Intuit \QuickBooks
QBServerUtilityMgr.exe Default location C: \ Program Files \ Common Files \ Intuit \ QuickBooks
QBW32.exe Default location C: \ Program Files \ Intuit \ QuickBooks 20XX
QBUpdate.exe Default location C: \ Program Files \ Common Files \ Intuit \ QuickBooks \ QBUpdate
QuickBooksMessaging.exe Default location C: \ Program Files \ Intuit \ QuickBooks 20XX
OnlineBackup.exe Default location C: \ Program Files \ QuickBooks Online Backup
Solution 8: Utilize QuickBooks File Doctor Tool To Rectify the QB Database Server Manager Stoped Working Error
QuickBooks offers a powerful solution for resolving network and file-related issues – the QuickBooks File Doctor Tool. Here’s how to use it effectively to address the QuickBooks Database Manager not running error:
Step 1: Install QuickBooks Tool Hub
- Download the QuickBooks Tool Hub package from the official QuickBooks website.
- Install the Tool Hub on your computer by following the on-screen instructions.
Step 2: Launch QuickBooks Tool Hub
- Locate the QuickBooks Tool Hub icon on your desktop or in the Start menu.
- Double-click the icon to open it.
Step 3: Access the “Company File Issues” Tab
- Inside the QuickBooks Tool Hub, you’ll find various tools to resolve different errors.
- To fix the QBDBMgrN Stoped error, go to the “Company File Issues” tab.
Step 4: Run QuickBooks File Doctor
- Click on the QuickBooks File Doctor tool found in the “Company File Issues” section.
- Start the scan process by clicking the “Start Scan” button.
Step 5: Select the Company File
- When the QuickBooks File Doctor scan window appears, you’ll be prompted to choose the problematic company file.
- Select the “Browse” option to navigate to the location of the company file, select it, and click “Open.”
Step 6: Choose the Diagnosis Type
- QuickBooks File Doctor will ask you to specify the type of issue you’re encountering during the scan.
- If you’re unsure, selecting “Both file damage and network connectivity” is recommended for a comprehensive diagnosis.
Step 7: Complete the Diagnosis and Repair
- The QuickBooks File Doctor will begin analyzing the company file and network connectivity.
- Be patient while it works to repair any problems it identifies.
Step 8: Follow On-Screen Instructions
- After the diagnosis and repair process is complete, QuickBooks File Doctor will display the results.
- Follow any on-screen instructions it provides, such as restoring a backup file or repairing the company file.
Once you’ve reviewed the results and taken the necessary actions to resolve the issue, simply exit the QuickBooks File Doctor tool. Restart the OS and launch QB to verify if the error has been resolved.
Solution 9: Check Network Connectivity by Pinging the Server
To ensure seamless operation and prevent the QuickBooks Database Server Manager from encountering errors, it’s vital to confirm the strength of the network connection between the server and workstations.
Follow these steps to perform network connectivity tests:
Step 1: Enable Network Discovery Settings
- Access the Start menu.
- Select the Network and Sharing Center option.
- Select Change Advanced Sharing Settings.
- Locate and activate Network Discovery.
Step 2: Open the Command Prompt
- Click the “Start” button.
- Type “cmd” in the search field.
- Press Enter.
Step 3: Find the IP Address or Hostname of the QuickBooks Server
- To pinpoint the IP address or hostname where the QuickBooks company file is stored, use the Command Prompt on the server computer.
- Type “ipconfig/all” in the CMD window and press Enter.
- Locate the hostname next to the Host Name section in the IP Configuration tab. This information is crucial for resolving QBDBMgrN issues. If uncertain, consult your network administrator or the person overseeing the QuickBooks server.
Step 4: Ping the QuickBooks Server
- Once you have the hostname, initiate the pinging process from the workstation computer(s) experiencing the QuickBooks Database Server Manager not running error.
- Enter the following command and press Enter: “ping [IP address or server hostname].”
- Replace “[IP address or hostname]” with the actual IP address or hostname of the QuickBooks server.
- For example, if the IP address is “525.684.5.200,” enter it as “ping 525.684.5.200.”
Step 5: Review Ping Results
The Command Prompt will send ICMP echo request packets to the respective IP address or hostname. It will display the results for each packet, allowing you to assess the status of the QuickBooks Database Server.
If the network connection is working properly, you will observe successful responses in the form of acknowledged pings accompanied by details regarding the response time.
Here’s what to look for:
- “Reply from [IP address]: bytes=32 time=[time in milliseconds] TTL=[TTL value]” indicates successful communication with the server.
- “Request timed out” signifies that the server didn’t respond to ping requests, indicating a potential connectivity issue causing the “server manager cannot run because of an error” message.
- “Destination host unreachable” or “Ping request could not find host” suggests a network configuration problem where the QBDB server is unreachable.
This network connectivity check helps identify and address issues affecting the QuickBooks Database Server Manager.
Solution 10: Check Multi-User Hosting Settings on the Server
To see if the server can host QuickBooks in multi-user mode, follow these steps:
- Step: Launch QuickBooks Desktop on the server workstation and navigate to the “File” tab.
- Step: Hover your mouse over the “Utility” option in the menu.
- Step: From the drop-down menu, check if QuickBooks is configured to allow multiple users to access company files on the network.
- Step: If you see an option that says “Host Multi-User Access,” it means multi-user hosting is currently disabled. If you encounter an option that says “Stop Hosting Multi-User Access,” your system is correctly configured for multi-user access.
- Step: Click on the option to enable multi-user hosting in QuickBooks.
If the QBDBMgrN Not Running Error persists, proceed to the next solution step.
Solution 11: Confirm Company File Extension in the Installation Directory
To avoid errors and problems, it’s crucial to ensure you’re accessing the correct company file with the appropriate extension.
- Step: Open Windows File Manager and navigate to the QuickBooks Installation Directory within the C drive.
- Step: Locate the folder containing the company file.
- Step: Examine the file extension to ensure it is “.QBW.” If it’s not, choose the “Rename” option to modify the extension.
Step: Save the file with the correct “.QBW” extension and then attempt to open the QuickBooks company file once more.
Conclusion!
QBDBMgrN not running error signifies a critical service interruption within the QuickBooks Database Server Manager, preventing QuickBooks Desktop from maintaining a stable multi-user hosting environment. This issue typically results from version misalignment, network instability, security restrictions, or configuration inconsistencies, each of which can disrupt company-file accessibility and overall hosting performance.
When this error occurs, it often disrupts network communication, service availability, and application responsiveness. Maintaining correct installation, synchronized QuickBooks versions, proper firewall settings, and stable network pathways ensures smooth QBDBMgrN operation. These measures offer a strong foundation for diagnosing and resolving the root causes of the service interruption.
Hopefully, the information given above will be useful to you. But if you are still facing any kind of issues with your software and need professional assistance regarding accounting, bookkeeping & accounting software-related issues, then feel free to get technical support with us at +1-802-778-9005, or you can email us at support@ebetterbooks.com
Frequently Asked Questions
What are the potential consequences of encountering the “QuickBooks Database Manager Stopped” error?
Experiencing the “QuickBooks Database Server Manager keeps stopping” error can lead to various disruptions, such as difficulties when accessing files in multi-user mode, issues with network connectivity, and the inability to open company files.
What less common factors can trigger problems with QuickBooks Database Server Manager?
Below is a list of less common factors that may also trigger this issue:
- Misconfigured antivirus software
- The presence of bad sectors on your Windows hard drive can trigger this error.
- There is the possibility that another file with the same name is replacing your company file in the directory.
What is the impact of qbdbmgrn not running on my QuickBooks data?
If qbdbmgrn isn’t running, it may lead to data corruption or loss in QuickBooks. This service is essential for multi-user mode and database management. Addressing qbdbmgrn issues immediately is critical to protect your QuickBooks data and prevent any significant disruptions or loss of important information.
Does the QBDBMgrN not running error affect single-user mode?
The QBDBMgrN not running error does not affect single-user mode because the Database Server Manager is required only for hosting operations. Single-user workflows remain functional when the service is inactive.
How does version mismatch contribute to the QBDBMgrN not running error?
Version misalignment between QuickBooks Desktop and the Database Server Manager generates the QBDBMgrN not running error, which prevents the service from establishing a valid hosting configuration.
Can corrupted network descriptor files trigger the QBDBMgrN not running error?
Corrupted network descriptor (.ND) files trigger the QBDBMgrN not running error because incorrect file-path mappings prevent the Database Server Manager from identifying the correct company-file directory during hosting operations.
Disclaimer: The information outlined above for “A Comprehensive Guide for Dealing With QBDBMgrN Stopped Error” is applicable to all supported versions, including QuickBooks Desktop Pro, Premier, Accountant, and Enterprise. It is designed to work with operating systems such as Windows 7, 10, and 11, as well as macOS.