Troubleshooting
Problem
The WASServiceMsg.dll file is locked by the Microsoft Windows operating system and cannot be updated during the upgrade of WebSphere Application Server.
Symptom
If the WebSphere Application Server is defined as a service on Microsoft Windows, the following errors can occur during installation or removal of the WebSphere software.
Unable to open destination file: <path>\WASServiceMsg.dll
Unable to open destination file: <path>\WASServiceMsg.dll
Failed to delete: <path>\WASServiceMsg.dll
During an uninstall or fix pack installation, the WASServiceMsg.dll file can be in use by some non-WebSphere code such as the Windows event viewer. If the module is loaded in memory, the file cannot be removed or replaced. The uninstall or installation process fails.
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Document Information
Modified date:
03 March 2025
UID
swg21230924