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

Compare this with the license key you are trying to install. They must match exactly. You cannot install a Server Standard key on a Datacenter OS without reinstalling the OS.

After the scans complete, restart and attempt activation again. Compare this with the license key you are trying to install

For advanced users, you can try manually resolving the issue by: After the scans complete, restart and attempt activation

Click under "Sync your clock" to ensure your device matches Microsoft's licensing servers. Run the Activation Troubleshooter : After the scans complete

, especially during subscription-based activations like Windows Enterprise. Common Causes Subscription Activation Lag

If you’ve recently tried to activate Microsoft Office and encountered the error message:

The error is a common issue found in Windows Event Viewer logs. It typically occurs when the system fails to install or verify a digital license for a Windows application or the operating system itself.