SAN certificate counts each domain separately and wildcard certificate covers single-level subdomains. , you need to check that the browsing domain and subdomain should be covered under SAN and wildcard certificate. This mismatch will result in “NET: ERR_CERT_COMMON_NAME_INVALID” this can be checked by confirming “issued to” domain information to the domain certificate.Īs this error happens due to a mismatch between the domain and the certificate. There may be a different certificate installed on the domain name.
Confirm that the correct certificate is installedĪn SSL common name mismatch may occur between the domain and the certificate and this happens when you have installed the correct certificate, but the certificate does not cover the typed web address in the browser. Once you find such an extension, you should delete it from a browser and fix the error.
Follow this process until you find a culprit extension. After that, trigger single extension and watch if the error goes by browsing website. To do so, you need to disable all extensions which can be found in Click three dots > More Tools > Extensions. If the error is solved then there is no need to look for bad extensions but in another case, you should check one by one extension. Find out problematic extensionsįirst, we need to turn on Incognito mode in browser lets say chrome browser and check if the error persists or not. You can fix the error by adjusting time and date on your PC. If the date and time are not properly set on your desktop, then your browser (chrome) will show ERR_CERT_COMMON_NAME_INVALID. By identifying the cause of SSL common name mismatch error, the below techniques can be used to resolve the error. When fixing the SSL error, it is paramount to identify the cause of the error. How to Fix NET::ERR_CERT_COMMON_NAME_INVALID The SSL common name mismatch error may appear as below screenshot. It can also be caused by security programs in a computer among them being antivirus and firewall. It can also be caused by a third-party extension. It can be a consequence of misconfiguration of certificate in a server. This results in the text being displayed in the when loading the website.ĮRR_CERT_COMMON_NAME_INVALID also known as SSL Common Name Mismatch Error is one of the SSL errors. Usually, the SSL error is a result of crummy executions of SSL Certificates. It is an error which may appear when one attempts to get a secure connection in a website server. The SSL is initials for Secure Sockets Layer. SSL error is also referred to as SSL connection error.
23 June,2021 Jason Parms A brief guide to fix an SSL Common Name Mismatch Error: NET::ERR_CERT_COMMON_NAME_INVALID
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