This article describes a way to run a silent installation of the Windows Password Synchronization Agent (PSA), particularly when the PSA needs to be installed on multiple AD Domain Servers. The silent install allows you to apply the PSA without having to run the GUI-based installer.
Identity Manager 14.5 & 15
Below the steps to install it:
Note: If you are unable to locate the silent_install.conf file, the file is located in this folder: Agent -> PasswordSync. If you looked in Agent -> PasswordSync-x64 and it's not there. Use the file in the PasswordSync folder and move it onto the desired folder.
For further information see documentation Silent Installation of Password Synchronization Agent on Windows - 14.5 or Silent Installation of Password Synchronization Agent on Windows - v15