For 64 bit OS: DotNetAgentdAgentLogs
For the 32 bit OS: DotNetAgentAgentLogs
From 1.8.2 Version of APMInsight .NetAgent you can use APMInsight .NetAgent Health Monitor utility which is bundled with the agent installation to collect diagnostic information. You may run the Health Monitor utility for the following: (Start-->Programs-->ManageEngineDotnet Agent)
To check whether the pre-requisite services and processes are running.
Create a Diagnostics Zip file with all required logs from the agent side.