Software⏱️ 2 min read📅 2026-06-02

How to Fix: Nuget connection attempt failed "Unable to load the service index for source"

Fix Nuget connection attempt failed "Unable to lo. Check your internet connection, as the i. Step-by-step guide included.

Quick Answer: Check your internet connection, as the issue is likely related to a temporary network problem.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🚀 How to Resolve This Issue
  3. 💡 Conclusion

NuGet connection attempt failed due to a timeout or connectivity issue. This error can occur when the NuGet package manager is unable to connect to the NuGet.org API.

⚠️ Common Causes

  • Firewall or proxy settings blocking the connection to NuGet.org.
  • A network connectivity issue, such as a slow internet connection or DNS resolution problems.

🚀 How to Resolve This Issue

Method 1: Check Network Connectivity

  1. Step 1: Verify your network connection and ensure that you are connected to the internet.

Method 2: Disable Firewall or Proxy Settings

  1. Step 1: Temporarily disable your firewall or proxy settings to see if it resolves the issue.

💡 Conclusion

By following these steps, you should be able to resolve the NuGet connection attempt failed error and successfully connect to NuGet.org.

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