The procedure given to upgrade VCS Simulator is incorrect.
Upgrade the VCS Simulator using the following procedure:
Uninstall the old version of VCS Simulator.
Before uninstalling, make sure to back up the configuration, in case you have modified it.
Install the latest version of VCS Simulator.
Manually copy the configuration of which you had taken a backup.
See Veritas Cluster Server User's Guide for installation instructions.