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System Administration > System logging and journaling > Logging for business logic servers

Swapping logger property files for debugging purposes

You can modify your standard logger.properties file to adjust logging levels for debugging, or you can specify an alternative settings file in either of two ways: Use the provided logger.debug.properties file The default settings of the provided logger.debug.properties debug file generate useful debugging messages. Caution Using the logger.debug.properties file significantly increases the size of log files. Use it only for debugging purposes or when requested by Siemens Digital Industries Software support. To use the logger.debug.properties file for setting logging levels, do one of the following: Set the UGII_CHECKING_LEVEL environment variable to 1. Set the TC_LOGGER_CONFIGURATION environment variable to TC_DATA/logger.debug.properties. Specify a custom logger properties file To use a custom logger properties file for debugging, set the TC_LOGGER_CONFIGURATION environment variable to the whole file path of a custom logger properties file or to the path of the directory containing a custom logger.properties file.

Source: https://docs.sw.siemens.com/documentation/external/PL20251212545240207/en-US/tc_help/AWAdmin/fhs4814155880506/tdh1737238551049/tpc1737238551154/id1684850.html · retrieved Fri Jul 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time)