Software⏱️ 2 min read📅 2026-05-29

How to Fix 0x80072F78 Error – 0x80072F78 Network Server Certificate Expired

Resolve Windows error code 0x80072F78: Network Server Certificate Expired by following this step-by-step guide.

Quick Answer: Update your system's date and time settings to resolve the issue.

The 'Network Server Certificate Expired' error (0x80072F78) typically occurs when the system clock is not set correctly. To fix this issue, follow these steps:

⚠️ Common Causes

  • The system clock has been set to a date in the future.
  • The system clock is not synchronized with an NTP server.

To resolve this issue, follow these steps:

🛠️ Step-by-Step Fixes

Method 1: Quick Fix

  1. Step 1: Open the Date and Time settings by searching for 'Date and Time' in the Start menu, or by navigating to Settings > Time & Language.
  2. Step 2: Ensure that the correct date and time are set. If necessary, adjust the clock forward to the current date and time.

💡 Conclusion

By updating your system's date and time settings, you should be able to resolve the 'Network Server Certificate Expired' error (0x80072F78) and regain access to your network resources.

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