Software⏱️ 3 min read📅 2026-06-11

How to Fix: Windows Time not synchronizing - "Access is denied" error

Windows Time not synchronizing - Access is denied error

Quick Answer: Run the command prompt as administrator and try again.

The 'Access is denied' error when trying to synchronize Windows time can be frustrating and affect users who rely on accurate system clock information. This issue typically occurs due to incorrect configuration or permissions settings, which prevent the Windows Time Service from accessing necessary system resources.

Resolving this error requires a step-by-step approach to identify and correct any underlying issues. In this guide, we will walk you through the primary fix methods to resolve the 'Access is denied' error when synchronizing Windows time.

⚠️ Common Causes

  • The primary cause of the 'Access is denied' error when synchronizing Windows time is related to incorrect permissions settings or configuration issues with the Windows Time Service. This can occur due to various reasons, such as: * Incorrectly configured Group Policy Objects (GPOs) * Insufficient user privileges or access rights * Conflicting system services or applications To resolve this issue, it's essential to identify and address any underlying configuration or permission problems.

🛠️ Step-by-Step Verified Fixes

Configuring Windows Time Service Permissions

  1. Step 1: Step 1: Open the Command Prompt as an administrator. To do this, search for 'cmd' in the Start menu, right-click on the result, and select 'Run as administrator'. Step 2: Navigate to the Windows Time Service directory using the command prompt: `cd C:\Windows\System32\w32tm`

Resetting Windows Time Service Configuration

  1. Step 1: Step 1: Open the Registry Editor (regedit.exe) by searching for 'regedit' in the Start menu and running it as an administrator. Step 2: Navigate to the following registry key: `HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters` Step 3: In the right-hand pane, double-click on the 'Type' value and select 'Hexadecimal'. Step 4: Update the value data to match the following format: `W3C-CELESTIAL=1`

✨ Wrapping Up

Resolving the 'Access is denied' error when synchronizing Windows time requires a careful approach to identify and correct any underlying configuration or permission issues. By following the steps outlined in this guide, you should be able to resolve the issue and ensure accurate system clock information.

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