How To Fix Err Certificate Transparency Required Error

The Err_Certificate_Transparency_Required Error Code is an error that occurs once you attempt to visit HTTPS websites that are having SSL/TLS certificate errors.  This error creates issues with the connection between your device and therefore the remote server.  Few users are facing the “Err_Certificate_Transparency_Required Error” while attempting to visit HTTPS websites.

Here, we’ll see the causes this error and a few ways to solve it. If you can’t wait, we suggest starting with solution # 2.

What is Err_Certificate_Transparency_Required Error Code?

The “Err_Certificate_Transparency_Required” error occurs once you attempt to visit HTTPS websites that are having SSL/TLS certificate errors. Most frequently, it’s the results of an SSL certificate being corrupted, expired, or misconfigured.

What Causes It?

Two reasons you are seeing the “ERR_CERTIFICATE_TRANSPARENCY_REQUIRED” error message. The SSL certificate of the web site you’re trying to go to isn’t in the Certificate Transparency log. This shows a fraud on the part of the CA. The website owner might have asked the CA not to include their name and/or subdomains to the Certificate Transparency log to stay the certificate information private.

How To Fix It?

The error can often be addressed easily if you only follow the next instructions. Some users have confirmed these were successful; hopefully, it’ll work for you too.

Solutions for Website Owners

Solution 1: Contact your CA and report the difficulty

Ask them to feature your website to the CT log immediately. Ask them whether there’s a mistake on their end; check the SSL and reinstall it. If you don’t see a response, you don’t need to wait for certificate authorities. DigiCert was the primary CA that launched Certificate Transparency. If you purchase RapidSSL, you can’t experience any negligence — ever.

Solution 2: Apply the CT exemption policy to corporate-managed devices

If you requested that your CA should not log in your domain, apply the CT exemption policy to corporate-managed devices. This should be within Chrome/Chromium-based applications.

Solutions for Website Visitors

As earlier said, it is the of website owners together with their certificate authority to remove anything associated with this SSL related error. What you need to do is meet the site owner and ask them to resolve the issue.

There are other things you can get done to access the page despite the error. One of these is ignoring the error. Although the subsequent steps won’t resolve the matter, they’re going to allow you to access the location and ignore the error on a short-lived basis. You should employ one among these solutions only you’re sure that the web site is safe.

Solution 1: Reactivate Antivirus Software

Some antivirus software and firewalls are sensitive to SSL errors if they need to be enabled “HTTPS protection” or “HTTPS scanning.” you’ll disable your antivirus program for a short time to check the site.  Remember to launch the antivirus once you leave the site.

Solution 2: Temporarily Ignore The SSL Error (not recommended)

Step 1: Type “chrome: //flags” in Chrome’s address bar.
Step 2: Locate the following option and select enable in the dropdown menu on the right side.
Step 3: Disable this feature as soon as you’re done working to return your browser to safer settings.

Solution 3: Manually Ignore Certificate Error (not recommended)

Step 1: Right-click on the Chrome icon on your desktop — navigate to properties and select shortcut.
Step 2: Type “-ignore-certificate-errors” after /chrome.exe in the target field. Press Apply, and then OK. Restart the Chrome browser.

Solution 4: Update Your Chrome Browser

If your browser is outdated and doesn’t support the prevailing version of the SSL certificate’s encryption algorithm, update your browser. To update your Chrome browser:

Step 1: Type chrome://settings/help in the Chrome address bar.
Step 2: Chrome will automatically update itself.
Step 3: Click Relaunch.

Solution 5: Clear Cookies 

Your browser cookies can cause this error

Step 1: Go to Chrome, click on the menu on the top right side of your screen.
Step 2: Select a new incognito window.
Step 3: Go to Chrome. Click on the top-right menu.
Step 4: Navigate to more tools.
Step 5: Click on extensions.
Step 6: Make your changes:
Step 7: Turn on/off: Turn the extension off.

Solution 6: Turn off Chrome Extension

If the incognito page opens without any error, the issue is with a Chrome extension. You need to turn off the extensions.

Step 1: Type chrome: //settings in Chrome Address bar.
Step 2: Click on ‘Advanced’
Step 3: Locate ‘Reset settings to their original defaults’ under Reset and pack up
Step 4: Click on the ‘Reset setting’ tab from the box.

Solution 7: Clear your SSL 

This can help you to get rid of ERR_CERTIFICATE_TRANSPARENCY_REQUIRED or related other SSL errors. If none of the opposite options work, you’ll want to undertake to clear your SSL state: If you are using Windows:

Step 1: Go to your computer’s control panel; select Network and Internet and click on Internet Options

Step 2: Go to Internet Properties
Step 3: Navigate to the Content tab.
Step 4: In the Content tab, click a clear SSL state.
Step 5: Clear SSL State by clicking on the option.
Step 6: Select Apply and click on OK.

Solution 8: Update Google Chrome

Ensure you have Chrome latest version. If it is  53, there’s a bug that will cause this error for GeoTrust, Symantec and many other certificates. You need to update your browser. Enter Settings then go to About. Next thing is that the browser will notify you if an update is available.

Solution 9: Disable Your Firewall 

We don’t recommend this but it can be used if others won’t work. It is possible that your firewall checked SSL/TLS traffic. This could have triggered the unusual SSL errors. This causes this error. Make sure the firewall is not enabled. See if the problem is still there.

We now know this can be as a result of your site’s SSL certificate wasn’t logged well when it had been issued. You’re getting to got to either re-issue (or have logged) the prevailing certificate alternatively replace it with a completely new one.


Note that trustworthy Certificate Authorities cannot make this error. Your website may be receiving errors because your Certificate Authorities issued an unlogged certificate.  Consider switching certificate authorities.