QBDBMgrN Not Running on This Computer

Is your QuickBooks throwing the “QBDBMgrN not Running on this computer” error when trying to access your company file in multi-user mode? You’re not alone. This is a common but solvable issue that can disrupt your accounting workflow. This guide provides full insight into causes, error triggers, and effective step-by-step solutions to get your QuickBooks Database Server Manager (QBDBMgrN) running again.

Resolve “QBDBMgrN not Running on this Computer” with expert tips, causes, and quick fixes. Get reliable help at +1-866-500-0076.

What is QBDBMgrN and Why is it Important?

QBDBMgrN stands for QuickBooks Database Server Manager. It allows multiple users to access a company file stored on a server in multi-user mode. If this service is not running, QuickBooks won’t be able to switch to or work in multi-user mode, leading to connectivity issues.

Common Error Message Variants

When this issue occurs, you may encounter error messages such as:

“QBDBMgrN not running on this computer.”
“QuickBooks database server manager is not running.”
“Cannot communicate with the company file due to QBDBMgrN.”

Primary Causes of QBDBMgrN Not Running Error

Several factors can trigger this error. Here are the most frequent ones:

Firewall or antivirus blocking QuickBooks services
Outdated QuickBooks Database Server Manager
Corrupted or incomplete installation of QuickBooks
Damaged network data (.ND) file
Windows firewall port not configured for QuickBooks
QBDBMgrN service stopped or disabled

Symptoms You May Notice

Watch out for these signs that indicate the QBDBMgrN issue:

Unable to switch to multi-user mode
Frequent crashes or freezes in QuickBooks
Cannot open the company file on a networked system
Server running slow or QB services not visible

How to Fix “QBDBMgrN not Running on this Computer”

Let’s walk through proven solutions you can try:

Solution 1: Restart QBDBMgrN Service Manually

Press Windows + R, type services.msc, and hit Enter.
Scroll down to find QuickBooksDBXX (XX depends on your version).
Right-click and choose Restart.
If stopped, right-click > Start.

Solution 2: Configure Windows Firewall Settings

Go to Control Panel > System and Security > Windows Defender Firewall.
Click Allow an app or feature through Windows Defender Firewall.
Make sure QuickBooks and QBDBMgrN are allowed.
Create inbound/outbound rules for ports used by QuickBooks (like 8019, 56728, etc.).

Solution 3: Use QuickBooks Tool Hub

Download & install QuickBooks Tool Hub.
Open it and click on Network Issues.
Select QuickBooks Database Server Manager.
Scan your folder where the company file is stored.
Reboot your computer and recheck the connection.

Solution 4: Repair QuickBooks Installation

Press Windows + R, type appwiz.cpl, and hit Enter.
Select QuickBooks from the list.
Click on Uninstall/Change > Repair.
Follow the on-screen steps and reboot once done.

Additional Note: .ND File Corruption

Sometimes, a corrupted .ND (Network Data) file may prevent QuickBooks from recognizing network paths. Delete the .ND file and rescan with Database Server Manager.

If the error persists, you can also consider visiting this page to explore more related issues like QuickBooks Error 101, which can interfere with network operations and database connectivity.

When to Contact QuickBooks Support

If you’ve tried all the steps and still face the error, it’s time to reach out for professional help.
Call our expert team now at +1-866-500-0076 – we’re available round-the-clock to resolve your issue efficiently.

Read More

Explore more solutions here:
Fix QuickBooks Error PS038 and Resume Payroll Processing

Conclusion: Keep QBDBMgrN Running Smoothly

The “QBDBMgrN not Running on this computer” error might seem like a complex network issue, but with a little effort and the right tools, you can restore your QuickBooks to normal. Whether it’s a firewall glitch, service not responding, or a damaged installation—these fixes will get your business back on track.

Remember, managing QuickBooks in a networked environment requires the Database Server Manager to function correctly. Regular updates, clean installations, and proper system configurations go a long way in preventing such issues.