CA PM will not start mysql will not start

Document ID : KB000100466
Last Modified Date : 07/06/2018
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Issue:
After freshly installing CAPC, mysql is failing to start with errors such as:

mysql.server: Starting MySQL.The server quit without updating PID file (/opt/CA/MySql/data/hostname.pid).[FAILED] 
systemd: mysql.service: control process exited, code=exited status=1 
systemd: Failed to start MySQL daemon. 
Cause:
The system's IP Address was changed before the install and the system was not fully restarted.
Resolution:
Uninstall CAPC per the documentation

Reboot the system to complete the IP Address change

Install CAPC per the documentation
Additional Information: