ERROR
If, for any reason, the user manually changes the 'Log On As' account of the 'ArcGIS Server Object Manager' service from the default 'ArcGISSOM' account to something else in Administrative Tools > Services, user may still be able to publish map services, but when publishing any model as geoprocessing service to ArcGIS server, an error message:
"ConfigurationFactoryOP creation failed"
is logged and the geoprocessing service is empty.
The 'ArcGIS Server Object Manager' service needs to be run as the 'ArcGISSOM' account and we should not change this.
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