Removing old log messages from the runtime repository By default, log messages are kept one day in the runtime repository, and then removed. You can change this time limit for each application separately. To set a time limit for log messages 1 Stop the application. 2 In the Control Center tree view, right-click the application and select Log Configuration. The Log Configuration dialog box opens. 3 Change Time limit to the appropriate number of days and click OK. 4 Start the application.