Resolving QuickBooks Error Code H202: Comprehensive Guide for Users

QuickBooks is an indispensable tool for businesses, offering robust features for financial management. However, encountering errors such as QuickBooks Error Code H202 can disrupt operations, especially in multi-user environments. This error typically occurs when QuickBooks Desktop is unable to access the company file located on another computer. Understanding the causes, symptoms, and solutions for Error Code H202 is crucial for users seeking to resume seamless workflow. In this comprehensive guide, we will explore the intricacies of QuickBooks Error Code H202 and provide detailed steps to resolve it effectively.

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Understanding QuickBooks Error Code H202

QuickBooks Error Code H202 is part of a series of errors (H101, H202, H303, and H505) that occur when QuickBooks Desktop is unable to establish a connection to the company file located on another computer. Specifically, Error H202 indicates that QuickBooks Desktop is unable to reach the server hosting the company file. This issue typically affects users attempting to switch to multi-user mode or access a company file hosted on a different computer in the network.

Common Causes of QuickBooks Error Code H202

Several factors can contribute to the occurrence of Error Code H202 in QuickBooks:

  1. Incorrect Hosting Configuration: QuickBooks Desktop is configured to be in multi-user mode, but the hosting settings are incorrect.
  2. Firewall Issues: Firewall settings on the computer hosting the company file block incoming and outgoing communication necessary for QuickBooks to function properly.
  3. Damaged or Incorrect .ND File: Network Data (.ND) files are configuration files that allow QuickBooks to access company files in a network. If these files are damaged or incorrect, Error H202 may occur.
  4. Issues with QuickBooks Services: Problems with QuickBooks Database Server Manager service or QuickBooks Network Connection service can lead to connectivity issues.
  5. Network Connectivity Problems: Issues with network setup, such as incorrect IP configuration or network packet issues, can prevent QuickBooks from accessing the company file.

Symptoms of QuickBooks Error Code H202

Recognizing the symptoms associated with Error Code H202 can help users diagnose the issue promptly:

  1. Error Message: Users may see an error message similar to “QuickBooks Error H202 – Multi-user mode error: H202.”
  2. Inability to Switch to Multi-User Mode: QuickBooks Desktop fails to switch to multi-user mode when attempting to open a company file.
  3. Delayed Response: Sluggish response or long delays when opening company files over the network.
  4. Connection Issues: Users may experience intermittent disconnections while accessing the company file.

Solutions to Resolve QuickBooks Error Code H202

Resolving Error Code H202 requires systematic troubleshooting windows 11 to address each potential cause. Here are detailed solutions to fix QuickBooks Error Code H202:

Solution 1: Use QuickBooks File Doctor

  1. Download and Install QuickBooks Tool Hub:
    • Go to the Intuit website and download the QuickBooks Tool Hub.
    • Install the Tool Hub by following the on-screen instructions.
  2. Run QuickBooks File Doctor:
    • Open QuickBooks Tool Hub from your desktop.
    • Navigate to the Company File Issues tab and select Run QuickBooks File Doctor.
    • Select your company file from the drop-down menu and click Check your file > Continue.
    • Enter your QuickBooks admin password and click Next.
    • Wait for the File Doctor to diagnose and repair network issues related to Error H202.
  3. Review Results:
    • File Doctor will attempt to fix network configuration issues. Follow any additional instructions provided.

Solution 2: Verify Hosting Settings

  1. Turn Off Hosting on Workstations:
    • Open QuickBooks Desktop on each workstation and go to File > Utilities.
    • Ensure that Stop Hosting Multi-User Access is selected. If Host Multi-User Access is an option, select it to turn off hosting.
    • Repeat this step for all workstations connected to the network.
  2. Set Hosting Properly on the Server Computer:
    • On the computer hosting the company file, open QuickBooks and go to File > Utilities.
    • Ensure that Host Multi-User Access is selected. If Stop Hosting Multi-User Access is an option, select it to turn on hosting.
    • Restart QuickBooks on the server computer after making changes.

Solution 3: Check Firewall and Security Software Settings

  1. Configure Firewall Ports:
    • Configure firewall settings to allow exceptions for QuickBooks Desktop. Ports that need to be open include:
      • TCP ports: 8019, 56728, 55378-55382
      • UDP ports: 8019, 56728, 55378-55382
    • Refer to your firewall software documentation or IT administrator for instructions on adding exceptions.
  2. Add QuickBooks Executable Files to Exceptions:
    • Add QuickBooks executable files (e.g., QBW32.exe, QBUpdate.exe) to the exceptions or exclusions list in your firewall and security software.
    • Ensure that QuickBooks services are allowed to communicate both inbound and outbound.

Solution 4: Recreate Network Data (.ND) Files

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  1. Locate .ND Files:
    • Navigate to the folder where your QuickBooks company file is stored.
    • Look for files with the extension .ND (e.g., CompanyFileName.qbw.nd).
  2. Delete .ND Files:
    • Right-click on each .ND file associated with your company file and select Delete.
    • Deleting .ND files does not delete your actual company data but forces QuickBooks to recreate these files with correct configurations.
  3. Rescan Company Files:
    • Open QuickBooks and attempt to open your company file again.
    • QuickBooks will automatically recreate the .ND files with updated configurations.

Solution 5: Adjust Hosts File

  1. Edit Hosts File:
    • Press Windows + R to open the Run dialog box.
    • Type cmd and press Enter to open the Command Prompt.
    • Type ipconfig /all and press Enter to display the IP address of the server computer.
  2. Modify Hosts File:
    • Navigate to C:\Windows\System32\drivers\etc.
    • Right-click on the hosts file and open it with Notepad (Run as Administrator).
    • Add the server’s IP address followed by the server name (e.g., ServerName) at the end of the file.
    • Save the hosts file and close Notepad.
  3. Flush DNS Cache:
    • Open Command Prompt as Administrator again.
    • Type ipconfig /flushdns and press Enter to flush the DNS resolver cache.
    • Restart the server computer to apply changes.

Solution 6: Reinstall QuickBooks Database Server Manager

  1. Uninstall QuickBooks Database Server Manager:
    • Open Control Panel > Programs and Features.
    • Select QuickBooks and click Uninstall/Change.
    • Follow the on-screen prompts to uninstall QuickBooks Database Server Manager.
  2. Reinstall QuickBooks Database Server Manager:
    • Download the latest version of QuickBooks Database Server Manager from the Intuit website.
    • Run the installer and follow the on-screen instructions to reinstall QuickBooks Database Server Manager.

Solution 7: Contact QuickBooks Support

If you have followed all the above steps and QuickBooks Error H202 persists, it may be beneficial to contact QuickBooks support for further assistance. Provide them with detailed information about the issue and the troubleshooting steps you have already taken.

Preventive Measures to Avoid QuickBooks Error Code H202

Implementing preventive measures can help minimize the occurrence of QuickBooks Error H202 in the future:

  1. Regular Updates: Keep QuickBooks Desktop and QuickBooks Database Server Manager updated to the latest versions.
  2. Network Stability: Maintain a stable and reliable network environment with proper configuration and regular maintenance.
  3. Backup Company Files: Regularly back up QuickBooks company files to protect against data loss in case of errors or corruption.
  4. Educate Users: Train employees on proper QuickBooks usage and multi-user setup procedures to avoid common errors.


Resolving QuickBooks Error Code H202 requires systematic troubleshooting and attention to detail. By following the steps outlined in this guide, users can effectively diagnose the issue, apply appropriate solutions, and restore seamless multi-user access to QuickBooks company files. Remember to implement preventive measures and maintain regular backups to safeguard your financial data and ensure uninterrupted operations with QuickBooks. If you encounter persistent issues or need further assistance, do not hesitate to contact QuickBooks support or consult with a qualified IT professional. With proactive measures and timely action, you can maintain the reliability and efficiency of QuickBooks for your business needs.

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