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How to Fix Windows Activation Error 0xC004F074

βœ… Quick Answer

Windows Activation Error 0xC004F074 usually occurs when your system cannot connect to the Key Management Service (KMS) server during activation. This issue is often caused by incorrect system time, network problems, outdated activation files, or misconfigured KMS settings. You can fix it by syncing date and time, checking network connectivity, restarting activation services, or activating Windows manually.


❓ Why Does Windows Activation Error 0xC004F074 Occur?

Common causes include:


πŸ•’ Fix 1: Sync Date and Time

Windows activation requires accurate system time.

  1. Open Settings β†’ Time & Language β†’ Date & Time.
  2. Enable Set time automatically.
  3. Click Sync now.
  4. Restart your PC and try activating again.

🌐 Fix 2: Check Internet Connection

  1. Ensure your PC is connected to the internet.
  2. Disable VPN temporarily if you are using one.
  3. Restart your router or switch to another network.
  4. Try activating Windows again.

βš™οΈ Fix 3: Restart Windows Activation Services

  1. Press Windows + R, type services.msc, press Enter.
  2. Find Software Protection.
  3. Right-click β†’ Restart.
  4. Set Startup type to Automatic.

πŸ’» Fix 4: Activate Windows Manually Using Command Prompt

  1. Press Windows + X β†’ select Command Prompt (Admin).
  2. Run the following commands one by one:
slmgr /ipk YOUR-PRODUCT-KEY
slmgr /ato

Replace YOUR-PRODUCT-KEY with a valid Windows license key.


πŸ” Fix 5: Run Windows Activation Troubleshooter

  1. Go to Settings β†’ System β†’ Activation.
  2. Click Troubleshoot.
  3. Follow on-screen instructions to fix activation issues.

❓ Frequently Asked Questions

Is error 0xC004F074 related to KMS activation?

Yes. This error mostly appears on systems using KMS activation when the server cannot be reached.

Can incorrect time really block Windows activation?

Yes. Activation uses secure authentication that depends on correct date and time.

Will reinstalling Windows fix this error?

Usually not required. The issue can be fixed using the methods above without reinstalling Windows.


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Last updated: January 2026 β€’ Techfix&Guides