Disabling File and Folder Compression

Written by Jenny on Wednesday, January 2, 2008 3:28 - 0 Comments
How to disable file/folder compression on Windows Vista.
File and folder compression allows you to store more data on NTFS volumes, but it also adds some processor overhead to your machine. That’s because Windows has to decompress the compressed files and folders when you open them, and recompress them when you close them.On Windows Vista and later, you can prevent users from compressing their files in a couple of ways. First, by running the command fsutil behavior set disablecompression 1 you can disable compression on all NTFS volumes on your machine, so by deploying this command using a logon script you can disable compression on targeted users’ computers.

And second, since all the above fsutil command does is to modify NtfsDisableCompression, a REG_DWORD value found under HKLMSYSTEMCurrentControlSetControlFileSystem, this means that you could also create a custom ADMX file to deploy this registry modification using Group Policy. For more information on how to create a custom ADMX file, see KB 918239

Note that if either method is used, the registry modification doesn’t take effect until after a reboot. In addition, any previously compressed files and folders remain compressed on the machine.

Article written by MyComputerAid.com

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