Fixing the "License Install Failed for License Type: 1 Result Code: 0xc03f6601" Error
Press the and type cmd . Right-click on Command Prompt and select Run as administrator .
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– This generally refers to a standard retail or digital license tied to the operating system or a primary Microsoft application. Fixing the "License Install Failed for License Type:
Select all files and folders inside this directory and delete them.
Press , type C:\Windows\SoftwareDistribution and press Enter .
Restart your computer and attempt the license installation again. Step 3: Re-register the Windows Store and License Apps Select all files and folders inside this directory
This error is most frequently observed by IT administrators managing environments via Microsoft Intune or Microsoft Entra ID. It appears when a system attempts an automatic to upgrade a device from Windows Pro to Windows Enterprise. What Causes Error 0xC03F6601?
If you are trying to install on a Remote Desktop Licensing Server and see this error:
License install failed for license type: 1 Result code: 0xC03F6601 Step 3: Re-register the Windows Store and License
If the local cache storing your temporary license files is corrupted, clearing it usually forces the system to fetch a fresh, valid license. Click on the Windows Start menu and type or Run . Type wsreset.exe and press Enter . A blank Command Prompt window will appear. Do not close it.
Open the app. Click your profile icon in the top right and ensure your primary purchasing account is signed in.
If system files are corrupted, you can try rebuilding the tokens.dat file via an elevated Command Prompt to reset the licensing state.
– 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.