The production environment is composed of many different components, such as operating system, database, and deployment topology. Plan the specifics of each component level to create a test environment. A dedicated test environment; including both server and network components, produces the most reliable results.
It is highly recommended to build the test environment for your setup for one or many reasons including.
Testing system updates in your environment before production deployment
Testing component level specific issues like operating system patch dependency etc.
Building plugins or testing system configuration for specific users or interfacing system
Testing mass configuration environment changes like domain user discovery or password management
Refer to Installing Iraje PAM Solution Iraje PAM Solution for building your environment.