The Next Course of Action if a Change Does Not Solve the Problem

B.

When an administrator is troubleshooting a system, and a change does not solve the problem, the next course of action should be to establish a new theory of probable cause.

A theory of probable cause is a hypothesis based on the information gathered during troubleshooting. It is a potential explanation for the problem and is used to guide the investigation towards the actual cause of the issue. The new theory should be based on the information gathered from the initial troubleshooting steps, including any errors or symptoms observed.

Once the new theory has been established, the administrator should use it to guide their next steps. This could include testing a different component, configuration, or software. It is essential to document the new theory of probable cause and the steps taken to test it, as this will help the administrator keep track of the troubleshooting process.

If the new theory of probable cause is not successful, the administrator should continue to establish new theories and test them until the root cause of the problem is found. This may involve reversing changes that have been made, implementing new changes, or performing a root cause analysis.

Performing a root cause analysis involves identifying the underlying cause of the problem and taking steps to prevent it from occurring in the future. This may involve looking beyond the immediate symptoms of the problem to determine the underlying issues that led to it. The goal of a root cause analysis is to address the underlying issue and prevent similar problems from occurring in the future.