Click Devices > Identity Servers > Edit > Auditing and Logging.
Select Enabled under File Logging.
In the Component File Logger Levels section, specify any one of the following options for application logs:
Severe: Logs serious failures that can stop system processing.
Warning: Logs potential failures that have minimal impact on execution.
Info: Logs informational events.
Verbose: Logs static configuration information.
The system logs any configuration errors under one of the three primary levels: Severe, Warning, and Info.
Debug: Logs events for all other log levels: Severe, Warning, Info, and Verbose.
For more information, see Section 23.3, Identity Server Logging.