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“The process cannot access the file because another process has locked a portion of the file”

You get this message when backing up a particular file because another application has held a read-exclusive lock on it. The backup agent, therefore, is unable to open the file to read its content. Please try the followings to resolve this problem:

  1. Ensure the Volume Shadow Copy option is enabled for the corresponding backup set. (This is usually enabled by default)
    • If the locked file is not important (e.g. C:\pagefile.sys), simply exclude the locked file from your backup source. By doing so, this message will not appear again.
    • If the locked file is a database file held open by one of our supported applications (e.g. Microsoft SQL Server, Microsoft Exchange Server, Oracle, Lotus Domino/Notes, MySQL), simply use the corresponding add-on module provided to backup the database. This way, you can backup the database you want (using the application specific APIs) without accessing the database file directly.
  2. If the locked file is a file held open by some other third party applications, you can use the [Pre/Post Command Line Tool] to shutdown/restart the application that is locking the file before/after a backup job to make sure that no locks will be placed on files that you need to backup.
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