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FIX: Windows 10 time synchronization with

FIX: Windows 10 time synchronization with

  • Ensuring that your computer’s clock is synchronized with Internet time means that you won’t have trouble accessing content as long as you’re in your local time zone.
  • Sometimes synchronizing your watch with can lead to errors and then you need to follow the steps in the guide below.
  • This is just one of many items included in our dedicated hub built to troubleshoot Windows 10, so check it out, because you never know when you’ll need it again.
  • Visit the dedicated Troubleshooting Guide page for more troubleshooting articles.

Automatic clock synchronization has been part of Windows for years, and this feature is also present in Windows 10. Unfortunately, few users have any issues with clock synchronization and report An error occurred while Windows was synchronizing with Error message.

How can I fix sync error?


  1. Verify that Windows Time Service is running
  2. Use another server
  3. Restart the Windows Time service
  4. Use the command prompt
  5. Disable the third party firewall
  6. Change the default update interval
  7. Add multiple servers to the registry
  8. Change the registry values

1. Verify that Windows Time Service is running

  1. press Windows key + R and enter services.msc . the press
  2. Please come in or do click in the To accept .
  3. When the window opens Services , I searched service Now Windows and double-click to open its properties.
  4. MAKE Startup type in the Automatic and click the button start start Service window time .
  5. After you do this, click apply and To accept to save changes.

The time synchronization function depends largely on the Windows time service, and if the Windows time service does not run, you may encounter this error.

Need more information about how to repair Windows Time Service on your computer? Take a look at this dedicated guide.

2. Use another server

  1. press Windows key + S and enter Date.
  2. Please select Date and time in the menu.
  3. When the window opens Date and time , go to Internet time and click the button Change settings .
  4. Please select What the Server and click the button Update now .
    • Some users have also reported that use because a server is fixing this issue so you can try and use it.
  5. Do what click in the To accept to save changes.

Users reported that they were able to resolve this issue simply by using another server. There are different time servers that you can use, and some of them are,, and time-b.timefreq.bldrdoc. gov .

Before you try this solution, make sure that the Windows Time service is set to Automatic and running. For detailed instructions on how to do this, be sure to take a look at our solution above.

3. Restart the Windows time service

  1. Go to Services and open the service properties Now Windows .
  2. Go to the tab Login and select the option Local system account . I formed Allow the service to interact with the option of office .
  3. After that, click apply and To accept and restart the computer.

To resolve this issue, you may need to restart the Windows Time service. To do this, open the window Services and double-click the service Now Windows to open their properties.

If the service is running, stop it. MAKE Startup type in the Automatic and start the service again. Click on apply and To accept to save the changes and restart the computer.

Some users also suggest changing the Windows Time connection settings before applying the changes and restarting the computer. Note that you must perform this step immediately after restarting Windows Time.

4. Use the command prompt

According to users, you can fix this problem simply by using the command prompt and executing a few commands. To do this, follow these steps:

  1. press Windows + X key to open the Win + X menu and choose Command Prompt (Administrator) .
  2. When system symbol , enter the following commands:
    • w32tm / debug / disable
    • w32tm / unregister
    • w32tm / register
    • net start w32time
  3. If all went well, you should see Windows Time service begins. Windows Time Service started successfully ‘. message.
  4. Hang up system symbol and try to synchronize your watch.

If you’re having trouble accessing the Command Prompt as an administrator, you might want to take a closer look at this guide.

5. Disable the third-party firewall

Firewall tools are always useful because they prevent potentially dangerous applications from accessing the Internet. Unfortunately, sometimes these tools can interfere with the clock and cause this error.

To correct this error, be sure to temporarily disable the firewall and check to resolve the issue. If the problem persists, you may want to uninstall the firewall completely.

Users reported that after switching to Standard mode on their firewall or after completely shutting down, they were able to synchronize the clock without any problems.

You may also want to configure your firewall to unlock NPT access on the UDP port 123. If you have changed the router’s firewall settings, you may also need to unlock the UDP port 123 on the router.