ArcGIS python based GeoProcessing stopped working

Discussion created by pa_staging on Apr 25, 2018

We have An ArcGIS Server 10.6 running on Windows Server 2012 R2 Server. We published a geoprocessing service created out of Python. It was working in UT without any issue. In Production the service is crashing. It is giving an error "Failed to register the activation group".

Recently released patches also installed. Still issue persists