Netwrix Auditor System Health Log contains the following EventID: 1203
“The service <service name> has failed.”
An internal error occurred when trying to start the Netwrix Auditor for SharePoint service. There is no access to the configuration files, or some configuration files are missing.
Try re-creating your SharePoint monitoring plan. See https://helpcenter.netwrix.com/Plans/Plans_Intro.html for detailed instructions on how to create monitoring plans.