Windows & BSOD · high

How to fix0x80072efd

Windows Update Connection Timeout 0x80072efd

What this error means

Windows Update Connection Timeout 0x80072efd ranks as a high-severity Windows operating system issue in our database. This error indicates that the Windows Update service encountered a network connection timeout while trying to reach Microsoft's update servers, usually caused by network filters, firewalls, or proxy settings. Follow the steps below to fix it.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Reset WinHTTP proxy configurations to ensure direct internet access.

Reset WinHTTP proxy configurations to ensure direct internet access..

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Add Windows Update server domains to your firewall's whitelist/allowlist.

Add Windows Update server domains to your firewall's whitelist/allowlist..

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Flush DNS and reset the network stack protocols.

Flush DNS and reset the network stack protocols..

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Firewall or third-party internet security suites blocking the Windows Update application package.
  • Stale DNS cache or incorrect proxy configurations directing traffic to invalid gateways.
  • Temporary internet connection instability or ISP-level blockages of Microsoft servers.