Here’s how to disable Windows antivirus software: If this option is unavailable, you may have to entirely turn off the antivirus software. If you trust the website, try disabling HTTPS scanning on your antivirus.
That said, it may block you from visiting HTTPS sites. Some antivirus software has an HTTPS scanning feature to add more protection. This way, your browser will load the most recent version of the website and prevent the NET::ERR_CERT_COMMON_NAME_INVALID error from reoccurring. To prevent this, clear the browser cache regularly. Unfortunately, outdated cache may cause problems by loading an old version of a website. Clear the Browser Cacheīrowser caching is a great feature that stores records of websites you’ve visited so the browser cloud load them faster the next time you visit that specific website. To prevent this issue from happening in the future, make sure to audit and update your extensions regularly. Once the new window opens, select the extension you want to uninstall and click Remove.On the WordPress dashboard, click Settings and choose General.If that’s the case, you should change your WordPress URL: As a result, the website may encounter a common name mismatch error. In some cases, the web protocol HTTP may have been manually changed to HTTPS without installing an SSL. Ensure WordPress URL Is Directing to the Site URL The second is to purchase another SSL certificate to cover the domain you’re redirecting from. The first one is to change the common name on the certificate your domain defaults to. There are two ways to solve this problem. It is important to know whether your browser or you are forcing your visitors to another version of your website since not all SSL certificates cover both and the server redirects your website visitors to the error may appear if there is only one SSL installed for the “www” version. Non-WWW Versions and If Your Site Is Redirecting to Another URL If a web address is not there, the certificate doesn’t cover it. If the website you’re trying to access uses a SAN certificate, examine the list of domains it protects by checking the certificate details. It covers www and non-www versions of a website, subdomains, and top-level domain (TLD) variations. If you use a wildcard certificate on your subdomain and encounter the NET::ERR_CERT_COMMON_NAME_INVALID error, it means that your SSL certificate doesn’t cover the subdomain you are trying to access.Ĭheck Subject Alternative Names (SAN) ConfigurationĪ Subject Alternative Names (SAN) certificate allows data encryption on multiple domains pointing to one site address. Therefore in some cases, the common name inside an SSL certificate is listed as a subdomain like. Wildcard SSL certificates can encrypt data on multiple subdomains. The only solution is to delete and install a new SSL certificate. If that isn’t the case, there is an SSL mismatch error between the two. The actual domain name should match the common name listed in the SSL certificate’s Issued to domain information. From the dropdown menu, select Connection is secure.Go to your website and click on the padlock icon on the address bar.Here’s how to check the SSL certificate configuration: If you use a different browser, the process will be similar. We will show you a step-by-step guide to troubleshoot the error using Google Chrome. To solve the issue, make sure you have installed the correct certificate and configured the SSL properly. Make Sure That the SSL Is Set CorrectlyĪ common cause of this error is a mismatch between the common name on your SSL certificate and the correct domain name. That said, before you proceed, make sure to check whether your site is inaccessible only for you or everyone else. In this tutorial, we will explain ten methods to solve the NET::ERR_CERT_COMMON_NAME_INVALID error on your website. 10 Methods to Fix NET::ERR_CERT_COMMON_NAME_INVALID In some instances, the issue may be caused by the site’s address itself and antivirus configuration settings, browser extensions, cache, and more.Īlthough this error can be tricky to troubleshoot since it has many possible causes, rest assured that there are ways to fix it quickly. Most of the time, this happens because the common name which is written in the SSL certificate doesn’t match the actual domain name.įor example, if you want to install an SSL certificate on your website, the common name should also be .ĭomain mismatch is not the only reason why the NET::ERR_CERT_COMMON_NAME_INVALID error occurs.
However, if the NET::ERR_CERT_COMMON_NAME_INVALID error occurs, it means the browser has failed to verify the SSL certificate. A website with a valid certificate will redirect the request via the HTTPS protocol, the secure version of HTTP. Usually when accessing a website, the browser has to verify the website’s SSL certificate to establish a secure connection.
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