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

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

To understand the failure, we must first deconstruct the components of the error string. Entering a product key that does not match

Windows stores licensing data in two primary locations: Entering a product key that does not match

: Common in environments where a device is trying to upgrade to Windows Enterprise via an Intune or Microsoft 365 subscription but cannot reach the required activation endpoint. Entering a product key that does not match