Debugging and Troubleshooting Sources

1. Windows Event log.
2. Task Manager process Check
3. Perfmon performance monitor
4. Perfview
5. Http.sys error log
6. IIS log - Log parser, google analytic tool
7. Network Connectivity :Ping, tracert and pathping
8. Port Connectivity telnet
9. SQL Profiler - tuning option to be selected.
10. .net CLR profiler
11. Visual studio Tier Interaction