Steps to diagnose network, authentication, and firewall issues.
How to investigate error logs and dump files.
Identify bottlenecks using DMVs and query plans.
Resolution steps for corrupted log files and disk space issues.
Detect, analyze and resolve deadlock scenarios.
Techniques to pinpoint CPU intensive queries and processes.
Common causes and how to fix them.
Troubleshoot authentication and permission errors.
Manage log size, recovery models and shrink safely.
Diagnose latency, conflicts, and agent failures.