1- From iso file for CA Server Automation, copy the following directories to a temp directory on the machine :
Installers\Windows\External\CAM
Installers\Windows\External\CAPKI
2- Install cam by executing caminst.exe located in directory CAM
3- Install CAPKI by executing this in a cmd prompt :
cd CAPKI
setup.exe install caller=CADSM
4- Install ID Manager using a command line like this :
START /WAIT msiexec /I IDManager_Setup.bin IDPRODUCT=ITCM /qn /l*v "%TEMP%\IDManager_Install.log"