PowerTip: Flush file system cache by using PowerShell


Summary: Use Windows PowerShell to forcibly write the file system cache to a drive.

Hey, Scripting Guy! Question How can I use Windows PowerShell to forcibly flush the volume cache by writing it to a drive?

Hey, Scripting Guy! Answer Use the Write-VolumeCache cmdlet and specify the drive letter, for example:

Write-VolumeCache c

Note  There is no colon following the drive letter.

Comments (2)

  1. Max B says:

    Write-VolumeCache : The term ‘Write-VolumeCache’ is not recognized as the name of a cmdlet, function, script file, or operable program.

  2. reredok says:

    you must run powershell command as administrator

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