License Install Failed For License Type: 1 Result Code: 0xc03f6601 Jun 2026

For enterprise users, ensure the device is properly enrolled in Microsoft Intune and that your account has the required license assigned.

Error 0xc03f6601 is frustrating but rarely means your license is invalid. It’s almost always a from a previous installation. The Microsoft SaRA tool or manual removal of the licensing token store resolves it in most cases. If you’re in a corporate environment, contact your IT admin — they may need to reactivate your KMS host or assign a new MAK key. For enterprise users, ensure the device is properly

If the error occurs while trying to download apps or activate a subscription: Activation troubleshooting - Windows 10 Help Forums For enterprise users