Hi ,
Thanks for reply on Journal its saying below error , but there is no pre-exisitng process running on port 80/443 :-
[gp185132@idm ~]$ sudo netstat -tulnp | grep -w 80 [gp185132@idm ~]$ [gp185132@idm ~]$ sudo netstat -tulnp | grep -w 443
############################################################################ -- Unit httpd.service has begun starting up. Mar 23 14:08:02 idm ipa-httpd-kdcproxy[17150]: ipa: INFO: KDC proxy enabled Mar 23 14:08:02 idm ipa-httpd-kdcproxy[17150]: ipa-httpd-kdcproxy: INFO KDC proxy enabled Mar 23 14:08:02 idm httpd[17155]: (98)Address already in use: AH00072: make_sock: could not bind to address [::]:443 Mar 23 14:08:03 idm systemd[1]: httpd.service: main process exited, code=exited, status=1/FAILURE Mar 23 14:08:03 idm systemd[1]: Failed to start The Apache HTTP Server. -- Subject: Unit httpd.service has failed ##############################################################################