Step-by-Step Guide to Fix QuickBooks Error H202

If you’re struggling with QuickBooks Error H202, you’re not alone. This common issue occurs when QuickBooks is unable to communicate with the company file in multi-user mode. It prevents users from accessing company files stored on another system. Call QuickBooks Support at +1(866)409-5111 for instant assistance.

In this guide, we’ll explore the causes of QuickBooks Error H202, step-by-step solutions, and tips to prevent future issues.

What is QuickBooks Error H202?

QuickBooks Error H202 is a multi-user mode error that occurs when QuickBooks Desktop cannot establish a connection with the server hosting the company file. This prevents users from accessing QuickBooks in a networked environment.

Symptoms of QuickBooks Error H202

QuickBooks freezes or runs slowly in multi-user mode.
Error message: “You are trying to work with a company file located on another computer, and this QuickBooks needs some help connecting.”
Unable to switch from single-user to multi-user mode.
Issues with network connectivity and QuickBooks Database Server Manager.

Causes of QuickBooks Error H202

Understanding the root cause of the problem can help you resolve it quickly. Here are some common reasons why QuickBooks Error H202 occurs:

Incorrect Hosting Configuration – If QuickBooks is not correctly set up for multi-user mode, the error appears.
Blocked Communication – A firewall or security software is preventing QuickBooks from accessing the network.
Damaged QuickBooks Database Server Manager – Essential services may not be running.
Network Issues – Incorrect DNS settings or lost connectivity to the server.
Missing or Corrupt .ND File – This file allows QuickBooks to communicate over a network. If it’s corrupted, errors arise.

How to Fix QuickBooks Error H202?

Follow these expert solutions to resolve QuickBooks Error H202 and restore multi-user access.

Solution 1: Check Hosting Settings

Open QuickBooks Desktop on all workstations.
Go to File > Utilities.
If you see Stop Hosting Multi-User Access, click it to disable hosting.
Restart QuickBooks and try opening the company file again.

Solution 2: Use QuickBooks File Doctor

Download and install the QuickBooks Tool Hub.
Open the Tool Hub and go to Company File Issues.
Click Run QuickBooks File Doctor and select your company file.
Follow the on-screen instructions to repair the issue.

Solution 3: Configure Firewall Settings

Open Windows Firewall and go to Advanced Settings.
Click Inbound Rules, then New Rule.
Select Port and enter the QuickBooks port number: 8019, 56728, 55378-55382.
Allow the connection and repeat for Outbound Rules.
Restart your computer and check QuickBooks.

Solution 4: Verify QuickBooks Services

Press Windows + R and type services.msc, then press Enter.
Locate and right-click QuickBooksDBXX (XX represents your version) and QBCFMonitorService.
Click Start if they are not running.
Set both services to Automatic and restart your PC.

Solution 5: Create a New .ND File

Open the folder containing your QuickBooks company file.
Find the file ending in .ND (e.g., companyfilename.qbw.nd).
Right-click and delete it.
Open QuickBooks Database Server Manager, scan your company file, and restart QuickBooks.

How to Prevent QuickBooks Error H202?

To avoid encountering QuickBooks Error H202 in the future, follow these preventive measures:

Regularly Update QuickBooks Desktop to the latest version.
Keep Your Network Configuration Optimized for multi-user mode.
Whitelist QuickBooks in Windows Firewall to prevent connection issues.
Use a Dedicated Server for QuickBooks to avoid workstation conflicts.
Regularly Backup Your Company Files to prevent data loss.

Conclusion

QuickBooks Error H202 can be frustrating, but with the right troubleshooting steps, you can resolve it quickly. Whether it’s adjusting firewall settings, verifying services, or using the QuickBooks File Doctor, these solutions will help restore access to your company file in multi-user mode.

If you still face issues, contact QuickBooks Support at +1(866)409-5111 for expert assistance.