A Valid Accumark License Was Not Found For This Product May 2026

Article — “A valid AccuMark license was not found for this product”

Step 2: Inspect the License File

Open the license file (.lic) in a text editor (Notepad). Check the following lines:

Phase 4: The Registry Fix (The "LicPath" Issue)

In many versions, AccuMark stores the license path in the registry. A corrupted path yields the "valid license not found" error even though the license exists.

Warning: Editing the registry can break Windows. Back it up first. a valid accumark license was not found for this product

  1. Press Win + R, type regedit, hit Enter.
  2. Navigate to:
    • HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Gerber Technology\AccuMark\ (64-bit OS)
    • OR HKEY_LOCAL_MACHINE\SOFTWARE\Gerber Technology\AccuMark\ (32-bit OS)
  3. Look for a key named LicPath or LicensePath.
  4. If it points to a specific file (e.g., C:\License\gerber.lic), verify that file exists. If the file is missing, delete the LicPath entry (the software will hunt automatically).
  5. If the path points to a network drive that is currently disconnected, change it to the correct server name or delete it.

3. Step-by-Step Diagnostic and Repair Guide

Follow these steps in order. Skip none, even if you think you know the cause.

7. Conclusion

The error "A valid AccuMark license was not found for this product" is a security feature designed to prevent unauthorized usage. However, in valid user environments, it is most commonly triggered by network interruptions or hardware changes. By isolating the failure point to either the Service, the Network, or the File, administrators can restore functionality without significant downtime. Article — “A valid AccuMark license was not


Keywords: Gerber AccuMark, FlexNet Error, License Manager, HostID, CAD Software Troubleshooting.

This guide is designed to help you resolve the error message: "A valid Accumark license was not found for this product." SERVER : Does the MAC address listed match

This error occurs when the Accumark software cannot communicate with the licensing service, the hardware key (dongle) is not recognized, or the license file itself is missing or expired.

Follow these steps in order, from the simplest solutions to the more complex ones.


6. When to Contact Gerber Support or Your Reseller

If you have completed all steps above and still see the error, gather the following diagnostic information before calling support:

  1. Screenshot of the error (including the full window).
  2. AccuMark version (e.g., AccuMark 12.2.1.123).
  3. License type – USB dongle ID (printed on the dongle) or license file content.
  4. License manager logs – from C:\ProgramData\SafeNet Sentinel\Logs\.
  5. Windows Event Viewer logs – System and Application logs filtered for “Sentinel” or “Gerber.”
  6. Network trace (if applicable) – Use Wireshark to capture traffic on port 5093 between client and server.

Gerber’s support team can remotely reset license counters, issue emergency replacement license files, or replace defective dongles (usually under a hardware maintenance contract).