The only solution is to re-issue your SSL certificate. Your new certificate will be truncated to 39 months and any remaining months will be lost.
When access a site you may get the above error in Chrome. This is a client side error.
Get information on which browsers/systems support SHA2/SHA256.
This error occurs when the website has not enabled SSL connections or has blocked port 443.
This occurs when Exchange uses WinHTTP to manage all HTTP and HTTPS connections. You may have configured a proxy in the browser but this is not used by WinHTTP.
Information on SSL File Authentication. File Authentication is available as an option instead of email validation for various certificates.
Information on how to validate your SSL certificate order using DNS authentication.
The Intermediate CA has not been installed. You need to install the relevant Intermediate CA.
This can occur if the certificate format you are importing is incorrect. The certificate supplied by the Certificate Authorities is normally in a PEM format. Glassfish requires DER format to import.
The following steps describe how to export your SSL certificate from IIS so that it can be used in Apache.