Use the health monitor tool to ensure the .NET agent is properly installed and running
The Health Monitor tool can be found in the following locations:
For Agent v2.3 and above
Start->All programs->APM Insight .NET Agent->APM Insight .NET Agent Health Monitor.
For Agent below v2.3
Start->All programs->APM Insight .NET Agent (x64 or x86)->APM Insight .NET Agent Health Monitor (x64 or x86).
Health monitor gives check lists for successful deployment. You can read more about it here.