Cannot open log file because it is being used by another application.

Document ID : KB000014077
Last Modified Date : 14/02/2018
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When trying to open log file on MOM server( any server) it is saying the file is being used by another application and cannot be accessed. But if try to copy the log file and try to open on other server, its opening.


  • This message occurs when you try to open the file using Wordpad on Microsoft Windows.
Apm 9.x, Apm 10.x

To check the CM or engine log file on Microsoft Windows, use the Notepad application. WordPad will not open the log file because the file is locked by the application. If you want to use WordPad, copy the file before opening it.