For change the logging level you should edit your msaconfig.xml file in the DM application folder.

Please edit the MinLevel value in the Default section. You can use one of the following levels:

MinLevelDescription
0All messages
1Trace
2Debug
3Information
4Warnings
5Errors
6Fatal errors
7+No output


Example (the highest level of logging):

<!-- Default logger - parameters for all loggers, at least Main and Performance loggers -->
<section name="Default">
	<!-- Output to text file true / false. Default false. -->
	<key name="ToFile" value="true"/>
	<!-- Output to console (cout) true / false. Default true. -->
	<key name="ToStdOut" value="false"/>
	<!-- Min log level. 0 - ALL, 6 - FATAL, 7+ - no output -->
	<key name="MinLevel" value="0"/>
	<!-- Filename for logger. Default is "log.txt" -->
	<key name="Filename" value="testlog.log"/>
	<!-- How many log string should be written to file before flush() commands. Default is 200. -->
	<key name="LogFlushThreshold" value="5"/>
</section>