After making changes to the service console IP addresses I have found an issue with the APC agent on the ESX Server. When trying to change the configuration to reflect the new UPS IP addresses I got an error saying unable to edit configuration file. On trying to uninstall the RPM I recived an error saying it wasn’t installed, on trying to re-install it I recieved an error sayig it was already installed. To resolve this I ran the following command on the RPM
rpm -ihv –replacepkgs pcns-2.2.1-100.i386.rpm
This forced a reinstall of the RPM and corrected the issue, I am now able to reconfigure the UPS for network shutdown.