Since SAN certificate counts each domain separately and wildcard certificate covers single-level subdomains, it will lead to error in case you browse domain or subdomain that is not covered by your certificate. Check to confirm “issued to” domain information to the domain certificate.Īlso, ascertain that the browsing domain and subdomain is covered under SAN and Wildcard SSL certificate. Probably, there is a different certificate installed on the domain name. In the image below, you can see that the name mismatch error as the common name (domain name) in the SSL certificate doesn’t match the address in the address bar of the browser. You can then visit the problematic webpage and see if the issue has been resolved. Look for ‘Cookies and other site data’ and ‘Cached images and files,’ and then, click on Clear DATA. To clear them, press CTRL+SHIFT+Del on the keyboard, which will lead you to a new page. Clear Cache and DataĬorrupted cache or cookies can be causing an “err_cert_common_name_invalid” error in your Chrome browser. Delete the extension that is causing the error when you find it. Next, activate one extension at a time and browse your site until you find out the culprit. Next, select “More Tools” > “Extensions” from the drop-down menu. To do that, go to your Google Chrome browser, click on the three dots icon on the right-hand side of the browser.

This might solve your issue, but if it persists, you will have to search the extensions one by one to find the culprit. Look for problems in your browser extensionsįor that, first, turn on your private browsing/incognito mode on your Chrome browser.

You can fix this simple error immediately. Is the date and time on your desktop correctly set? Sometimes, minor things such as setting incorrect time and date on your PC may cause bigger problems. How to Fix NET::ERR_CERT_COMMON_NAME_INVALID in Chrome? 1. This article will highlight different issues that might be causing the “ err_cert_common_name_invalid” error in your Chrome browser and show you how to fix them. What might be causing it? Anything from server misconfiguration of the website you are trying to visit and bugs in Chrome to third-party extensions or your security programs could be the issue. Seeing “ net::err_cert_common_name_invalid” error code while trying to log in to your website is one of them, as shown in the image below. When you buy SSL certificate but not properly install and you are start facing SSL certificate/HTTPS errors and security warning on Google Chrome. Step by Step Guide to Fixing NET::ERR_CERT_COMMON_NAME_INVALID in Chrome Browser

Google invalid security certificate