Which of the following is the best method for applying an OS hot fix to a production server?

Applying an OS hot fix to a production server ideally involves first testing the hot fix in a non-production environment. This approach allows administrators to evaluate the hot fix’s compatibility with the existing systems and applications, addressing any potential issues before it affects critical operations. By testing in a controlled setting, organizations can uncover bugs or conflicts that may arise from the patch without jeopardizing service availability or data integrity.

While applying the hot fix immediately after its release may seem efficient, it lacks the precautionary measures needed to ensure the stability of the production environment. Following change management procedures is also essential for documenting the process and communicating changes within the organization, but the initial step of testing in a non-production environment helps mitigate risk effectively. Testing in an existing production environment is not advised, as it can disrupt routine operations and lead to unexpected downtime or failures.