Creating a log file when you install or uninstall WebSphere MQ WebSphere MQ for Windows is installed using the Microsoft Installer (MSI). If you install the MQ server or client through launchpad , MQPARMS or setup.exe , then a log file is automatically generated in %temp% during installation. Alternatively you can supply parameters on the installation MSI command msiexec to generate a log file, or enable MSI logging system-wide (which generates MSI logs for all install and uninstall operations). If you uninstall through the Windows Add/Remove programs option, no log file is generated. You should either uninstall from the MSI command line and supply parameters to generate a log file, or enable MSI logging system-wide (which generates MSI logs for all install and uninstall operations). For details on how to enable MSI logging, see the following article in the WebSphere MQ product documentation: Advanced installation using msiexec For details on how to enable system-w