Error code 0xC004C003 is caused when trying to active the Operating System which uses an OEM Activation 3.0 Digital Product Key. More information about the error, can be found: KB5001692: Windows Activation fails with error 0xc004c003. The issue can be resolved by updating Windows to a later version.
How do you fix No Key Management Service KMS could be contacted?
To resolve this advisory issue, resolve the errors for each capture ID 12288 associated with an account activation attempt. you may need to update the kms server. Then you can always try restarting the km server.
Why is my Windows 10 activation key not working?
You may see this particular error if your garage product key has already been used on another device, it may be used on more tracking devices than allowed by Microsoft software license terms. To resolve this issue, select a product key for each of your devices to run Windows on it.
How do you fix we cant activate Windows on this device right now?
Start -> Settings -> Update & -> Security activation -> Change product key. Enter your reference product key -> wait for the activation process to complete. Restart -> your computer.
How do I permanently activate Windows 10 with CMD?
First you need to run the command line in your program. Then click “Start” and just type “CMD”. Now run everything as administrator.
Enter the following command. slmgr/ipk. slmgr /skms kms.xspace.in. Smgr / ato. Now press Enter. This command will activate your Windows 10/11 for sure.
How do I fix error code 0xC004C003?
How to Fix Error Code: 0xC004C003 in 10/7
- Method 1 for Windows: try restarting your computer/laptop.
- Method 2: use the command line.
- Try method 3: then install the update for Windows 7/8 . .
- Method 4: Clean boot the computer.
- Method 5: Run an SFC scan.
- Ping method 6: Das Network starts from Microsoft servers.
What is error code 0xc004c003?
Microsoft error code 0xc004c003. This error can potentially occur when activation servers are active. If it’s a simple dispute, wait a few minutes and try activating Windows 10 again.

I’m a writer for uscfr.com. In my opinion, technology should make our lives easier, not more complicated. That’s why I enjoy breaking down complex topics and explaining them in a way that everyone can understand. In my free time, I can be found tinkering with new devices or coding up new apps.