Distributed platforms app_server_root/logs/install/log.txt If the installer fails at a very early stage, this log file might not be created or it might exist in the system temporary area, %TEMP%\log.txt in Windows or /tmp/log.txt in UNIX. Tip: If the installation wizard will not start and there is no installation log, try repeating the installation using a silent install with the -log parameter to create the log (for example, Windows): install -options response_file -silent -log # !log_file_name @ALL 1.8.2 Profile creation log You can find the profile creation log at the following location: i5/OS: QIBM/ProdData/WebSphere/AppServerV61/Base/logs/install/createDefault Profile.log Distributed platforms app_server_root/logs/manageprofiles/profile_name_create.log