What is this error – “RSA server certificate CommonName (CN) ‘www.domain.com’ does NOT match server name”?

This error may be displayed whilst starting Apache-

• To solve this error please follow the steps given below.

ServerName www.domain.com:443
DocumentRoot /home/directory/html
SSLEnable
SSLCertificateFile /www.domain.crt
SSLCertificateKeyFile /www.domain.key

• The VirtualHost example below is the correct method of using an SSL enabled VHost.

• As you can see :443 has been removed from the ServerName parameter.

ServerName www.domain.com
DocumentRoot /home/directory/html>/code>
SSLEnable
SSLCertificateFile /www.domain.crt
SSLCertificateKeyFile /www.domain.key