Software⏱️ 4 min read📅 2026-06-11

How to Fix: Windows update error 80072EE2 connecting to WSUS

Windows update error 80072EE2 fixed by reinstalling Windows 7 Pro and registering specific DLLs.

Quick Answer: Reinstall Windows 7 Pro and register the specified DLLs to resolve the issue.

📋 Table of Contents

  1. 💡 Why You Are Getting This Error
  2. 🔧 Proven Troubleshooting Steps
  3. ✨ Wrapping Up

Windows update error 80072EE2 is an issue that affects users who are trying to connect their Windows 7 Pro 64-bit operating system to an internal WSUS (Windows Server Update Services) server. This error typically occurs when the computer cannot establish a connection with the WSUS server, preventing it from receiving updates.

This error can be frustrating for IT administrators as it hinders the ability of computers to receive important security patches and updates. In this troubleshooting guide, we will walk through the steps to resolve this issue and get your Windows 7 Pro 64-bit computer connected to the WSUS server again.

💡 Why You Are Getting This Error

  • The primary reason for this error is that the BITS (Background Intelligent Transfer Service) service is not started or is not functioning correctly. The BITS service is responsible for downloading updates from the WSUS server, and its failure can prevent Windows from connecting to the server.
  • Another possible cause of this error is related to the registry, specifically with the registration of certain DLL files required for WSUS communication. If these files are not registered or are corrupted, it can lead to errors when trying to connect to the WSUS server.

🔧 Proven Troubleshooting Steps

Restoring BITS Service and Registerring DLL Files

  1. Step 1: Step 1: Stop and restart the BITS service. Open Command Prompt as administrator and run the following commands in sequence: net stop wuauserv, cd %systemroot%, ren SoftwareDistribution SoftwareDistribution.old, net start wuauserv, net stop bits - The BITS service is not started (message), net start bits.
  2. Step 2: Step 2: Register the required DLL files. Open Command Prompt as administrator and run the following commands in sequence: regsvr32 Softpub.dll /s, regsvr32 Wintrust.dll /s, regsvr32 Initpki.dll /s, regsvr32 Mssip32.dll /s.
  3. Step 3: Step 3: Restart the computer to ensure all changes take effect.

Alternative Fix Method

  1. Step 1: Step 1: Check and reset the MTU (Maximum Transmission Unit) of the LAN card. Open Command Prompt as administrator and run the following command: netsh interface ip set mtu 1400.
  2. Step 2: Step 2: Roll back the driver to an older version. Go to Device Manager, find the LAN card, right-click on it, and select Properties. In the Driver tab, click 'Update Driver' and then 'Browse my computer for driver software.' Select 'Let me pick from a list of available drivers on my computer' and choose a compatible driver version.

✨ Wrapping Up

After following these steps, you should be able to resolve the Windows update error 80072EE2 and get your HP Elitebook 8440p connected to the WSUS server. If you encounter any further issues, it's recommended to consult with an IT professional or seek additional support from Microsoft support resources.

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