Using the Communication Server log file By default the Communication Server log file is continuously scanned, which means that the relevant log messages are displayed in the Control Center. To open the log file Right-click the Communication Server and select Log > View Log. The log file is displayed in a text editor. To clear the log displayed in the Control Center Right-click the Communication Server and select Log > Clear Window. To stop/start log scanning Right-click the Communication Server and select Log > Stop/Start Log Scanning. To delete the log file Right-click the service and select Log > Delete Log File.