Software⏱️ 3 min read📅 2026-06-11

How to Fix: Any way to add exception on chrome for ERR_CERT_SYMANTEC_LEGACY error?

Chrome issues with outdated certificates and ERR_CERT_SYMANTEC_LEGACY error, possible to add exception for URL or domain?

Quick Answer: Try adding an exception for the specific URL or domain in Chrome's settings, or consider updating the certificate to a newer version.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🚀 How to Resolve This Issue
  3. 🎯 Final Words

The ERR_CERT_SYMANTEC_LEGACY error occurs when Google Chrome detects an outdated certificate on your intranet site, which can cause issues with secure connections. This error affects users who access your site, making it difficult for them to view content.

This issue is frustrating because it prevents users from accessing the site, and finding a solution can be challenging. However, we will guide you through the steps to add an exception for the URL or domain, allowing you to bypass this error.

🛑 Root Causes of the Error

  • The ERR_CERT_SYMANTEC_LEGACY error is typically caused by outdated certificates on your intranet site. Chrome's security features flag these certificates as legacy, which can prevent secure connections.
  • An alternative reason for this error could be a misconfigured SSL/TLS certificate or an issue with the certificate signing authority (CA). However, this is less likely and may require additional troubleshooting.

🚀 How to Resolve This Issue

Adding an exception to Chrome's trusted certificates

  1. Step 1: Open Chrome and navigate to the site that is causing the error. Click on the three dots in the top right corner and select 'More tools' > 'Developer tools'.
  2. Step 2: In the Developer tools, switch to the 'Security' tab. Click on the 'Certificates' button and then click on 'Add exception'.
  3. Step 3: Select 'Create a new certificate' and follow the prompts to upload your CA-signed certificate file (.p7c or .cer). Make sure to select 'Trusted root certification authorities' as the type of certificate.

Importing the certificate from the server into Chrome

  1. Step 1: Open Chrome and navigate to the site that is causing the error. Click on the three dots in the top right corner and select 'More tools' > 'Developer tools'.
  2. Step 2: In the Developer tools, switch to the 'Security' tab. Click on the 'Certificates' button and then click on 'Import certificate from server'.
  3. Step 3: Follow the prompts to connect to your server and import the CA-signed certificate file (.p7c or .cer). Make sure to select 'Trusted root certification authorities' as the type of certificate.

🎯 Final Words

By following these steps, you should be able to add an exception for the URL or domain causing the ERR_CERT_SYMANTEC_LEGACY error. If you are still experiencing issues, consider updating your certificates to the latest version and verifying that they are correctly installed in Chrome.

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