For License Type: 1 Result Code: 0xc03f6601 — License Install Failed

Sometimes the license needs to be refreshed by re-authenticating your account. Open the . Click on your profile picture. Click Sign out .

This error is rarely random. It is almost always triggered by one of the following underlying issues:

The error 0xc03f6601 is a misleading status code that masks a state mismatch between the installed licensing policy and the attempted key insertion.

If the deployment server is throwing errors, you can force Windows to re-register its core deployment and package frameworks. Sometimes the license needs to be refreshed by

slmgr.vbs /dlv

Many users first encounter this error after installing a major Windows update (like the Fall Creators Update) or after performing a system reset. For example, one user reported getting hundreds of "Event 110" errors in quick succession after resetting their brand-new Windows 11 laptop. The update process can sometimes interfere with the licensing service.

slmgr /upk slmgr /cpky slmgr /rearm

In some environments, like those using Azure Active Directory Conditional Access policies, the Windows activation process can be blocked. When a device tries to activate a license, it reaches out to the Universal Store API. If your network or security policies block this communication (for example, by requiring Multi-Factor Authentication for that API), the activation fails.

How to Fix "License Install Failed for License Type: 1" Error Code 0xC03f6601

Which (10 or 11) are you currently running? Click Sign out

Regularly install cumulative updates, as Microsoft frequently deploys patches for the digital rights management (DRM) subsystems.

This information will help pinpoint any app-specific or system-specific conflicts. Share public link