Troubleshooting Error 0xC03F6601: License Install Failed If you have stumbled across "License install failed for license type: 1 Result code: 0xC03F6601" in your Event Viewer or Intune logs, you are likely dealing with a frustrating Windows activation or Microsoft Store subscription issue. This error often appears when your system tries—and fails—to upgrade its license, such as moving from Windows Pro to Enterprise via a subscription. What Does This Error Mean?
If the system is an "Evaluation" edition, you cannot simply "activate" it. You must perform an edition upgrade using the DISM command. Solution 3: The Edition Upgrade (Fix for Vector
Re-registering licensing components:
He pasted the long string of code, watched the progress bar crawl across the screen, and tried again. Status: Success. Status: Success
This error is often linked to the Microsoft-Client-Licensing-Platform and frequently appears on systems managed via Microsoft Intune or when Windows is attempting to upgrade from Pro to Enterprise via subscription activation. What Causes Error 0xc03f6601? and tried again.
He began his descent into the rabbit hole. "License Type 1" usually referred to a standard user license, but that 0xc03f prefix suggested something was broken in the communication between the local machine and the licensing server.