Here is a link to the documentation that explains where the logs are kept and how to read them. https://enterprise.arcgis.com/en/server/latest/administer/windows/work-with-server-logs.htm
Here is a link to the documentation that explains where the logs are kept and how to read them. https://enterprise.arcgis.com/en/server/latest/administer/windows/work-with-server-logs.htm