After determining the issue is likely on the remote server, the technician should test the theory to confirm the root cause before proceeding. * Why Not A (Document the findings): Documentation comes after confirming the issue. * Why Not C (Gather information): Information gathering is already completed. * Why Not D (Establish a plan of action): This is done after confirming the issue. CompTIA A+ Exam Reference: Core 2 (220-1102), Section 3.1, troubleshooting methodology.