Solution properties
Solution properties typically override global properties and are found in a file in your solution directory called solution.properties. You can know more about it through the information provided here.
The solution.properties file is by default a copy of the global.properties file, and you should edit the solutions.properties file when configuring IBM® Security Directory Integrator, because it is read last out of all the properties files. If you want to, you can delete properties in your solution.properties file and add property configuration statements that you specifically want to override the global.properties defaults.