When you try to run Apache, you may receive one of the following error messages in the log file:
Unable to configure RSA server private key
mod_ssl: Init: (www.domain.com:443) Unable to configure RSA server private key (OpenSSL library error follows)
OpenSSL: error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch
This problem may occur if the private key and certificate do not match.
To resolve this problem, specify the correct private key for the certificate. Compare the modulus of certificate against the modulus of the private key to see if they match. Follow these steps: