License Type: 1 Result Code: 0xc03f6601 !new! - License Install Failed For
This prevents any lingering license data from causing conflicts.
Optional but recommended: Right-click it, choose , change the Startup type to Automatic , and click Apply . Method 4: Log Out and Log Back Into Your Microsoft Account
In plain English: Office found a license on your computer, but it doesn’t match the current installation, product key, or Microsoft account. Alternatively, a previous license is stuck in the system, blocking the new one. This prevents any lingering license data from causing
This error indicates that Microsoft Office attempted to install a license (type 1 refers to a volume or device-based license), but the process failed. The hexadecimal code 0xc03f6601 translates to a or corrupted licensing store .
The error message "License install failed for license type: 1 Result code: 0xC03F6601" typically appears in the Windows Event Viewer (under Microsoft-Client-Licensing-Platform/Admin Alternatively, a previous license is stuck in the
Encountering the error message can be incredibly frustrating. This error typically surfaces in Windows environments—frequently appearing in the Event Viewer under Microsoft-Windows-AppXDeploymentServer—when the operating system fails to validate or install a digital license for a Windows Store application, a system component, or a video game.
Encountering the error can be incredibly frustrating. This specific error code typically appears in Windows environments—most notably within Windows Server, Windows 10/11, or when attempting to activate Microsoft Store applications, Xbox games on PC, and Remote Desktop Services (RDS). The error message "License install failed for license
Entering a product key that does not match the installed Windows edition (e.g., using an Enterprise key for Home or Pro editions). Recommended Solutions
If the error persists after these steps, verify that your computer's are completely accurate under Settings, as a time desynchronization will cause Microsoft's secure licensing servers to reject validation requests. Additionally, temporarily disable any third-party VPNs or strict firewalls that could be blocking outbound traffic to ://microsoft.com . To help narrow down the exact cause, let me know:
– This is a specific Windows Activation / Licensing API error. It usually indicates a communication failure, a mismatch between the hardware signature and the licensing server, or corrupted software licensing components on your local machine.
Are you using a or a Windows Server environment ?