"QuickBooks Enterprise Error H202: A Comprehensive Troubleshooting Guide"

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QuickBooks Enterprise Error H202, you're not alone. This error typically occurs when you're trying to access a QuickBooks company file that is located on another computer, and QuickBooks can't establish a connection to the server. However, there's no need to panic.

Understanding QuickBooks Enterprise Error H202

Before we dive into the solution, let's take a moment to understand what causes QuickBooks Enterprise Error H202. This error occurs when QuickBooks Desktop is unable to communicate with the server hosting the company file. There are several reasons why this communication failure might happen, including:

  • Incorrect hosting configuration settings
  • Firewall issues blocking the connection
  • Damaged or incorrect .ND file
  • Network data file (.ND) is damaged
  • Issues with QuickBooks Database Server Manager
  • Multiple instances of QuickBooks Database Server Manager running

How to Fix QuickBooks Enterprise Error H202

To resolve QuickBooks Enterprise Error H202, follow these steps:

  1. Check Network Connectivity: Ensure that your network is set up correctly and that you can access the server hosting the company file from the affected computer.

  2. Verify Hosting Settings: Open QuickBooks on the server computer and go to the File menu. Select Utilities and then choose Host Multi-User Access. Ensure that hosting is enabled.

  3. Update QuickBooks: Make sure that both the server and client computers have the latest updates installed for QuickBooks.

  4. Configure Firewall Settings: Check your firewall settings to ensure that QuickBooks is allowed to communicate through the network. You may need to add QuickBooks to the list of allowed programs.

  5. Repair QuickBooks Installation: If none of the above steps resolve the issue, you may need to repair your QuickBooks installation. To do this, go to the Control Panel, select Programs and Features, locate QuickBooks in the list of installed programs, and select Repair.

  6. Restart QuickBooks Database Server Manager: Open the Run dialog box (Windows Key + R), type services.msc, and press Enter. Locate the QuickBooksDBXX service (XX represents the version number) and restart it.

  7. Check for Multiple Instances of QuickBooks Database Server Manager: If you find multiple instances of QuickBooks Database Server Manager running, stop them and keep only one instance running.

  8. Recreate the .ND File: If the issue persists, you may need to recreate the network data (.ND) file. To do this, locate the .ND file for your company file and delete it. QuickBooks will recreate the file when you open the company file again.


QuickBooks Enterprise Error H202 can be frustrating, but with the right approach, it can be resolved quickly. By following the steps outlined above, you can troubleshoot the issue and get back to using QuickBooks Enterprise Support without any disruptions. If you continue to experience problems, consider seeking help from a QuickBooks expert to resolve the issue.