⚠️ 3 verified solutions available for Error 52 — Last updated 2026-03-29
Error 52 📋

How to Fix ERROR_DUP_NAME (Error 52)

The ERROR_DUP_NAME error, also known as error 52, occurs when a duplicate name exists on a network, preventing a connection. This error typically happens when joining a domain or connecting to a network. It's a relatively common issue that can be resolved with some troubleshooting steps.

🏷️ Code: 52 📛 ERROR_DUP_NAME 📅 Updated: 2026-03-29 ⏱️ 3 Solutions
🐞 Auto-Fix Script for Error 52
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📑 Table of Contents
What is Error 52? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 52?

In addition to the technical aspects of the error, it's also important to consider the potential consequences of not resolving the issue. If the error is not addressed, it can lead to downtime, decreased productivity, and security risks. For example, if a device is unable to connect to the network, it may not receive critical updates or patches, making it vulnerable to security threats. Furthermore, the error can also cause issues with data sharing and collaboration, which can impact business operations and productivity.

⚠️ Common Causes

  • Duplicate computer name on the network
  • Misconfigured network settings
  • Conflict with another device on the network
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✅ Step-by-Step Solutions

1 Rename the Computer
  1. Go to System Properties
  2. Click on Computer Name
  3. Click on Change
  4. Enter a new unique name
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Show Advanced Solutions (2 more)
2 Check Network Settings
  1. Go to Network and Sharing Center
  2. Click on Change adapter settings
  3. Check for duplicate IP addresses or subnet masks
3 Advanced fix
  1. Use the Windows Registry Editor to modify the computer name
  2. Use the command prompt to rename the computer

🎬 Video Tutorials

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How to fix Error 52 (Dup Name)
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🛡️ Prevention Tips

  • Use unique names for all devices on the network
  • Regularly check network settings for conflicts
  • Use a network management tool to monitor device connections
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Last updated: 2026-03-29
📖
Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-29.
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