AppMetrics application metrics collecting tool Deployment: build deployment package, copy to the target PC and then use this command: AppMetrics.deploy.cmd /Y (administrator rights required) After first installation, it's necessary to grant ASP.NET user (NETWORK SERVICE) with write access to the folder App_Data. Contents of App_Data is preserved on update. List of users is stored in App_Data/users.config file, format is like this: user-name\tpassword\r\n .