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Windows 7 Defrag

Posted on 2013-11-15
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Last Modified: 2013-12-11
Hi,
I have recently installed several dozen Windows 7 Pro computers on a domain, all with SSD system drives. From what I have been reading, it is neither necessary nor desirable to run defrag on these drives. By default Windows 7 schedules a defrag weekly, however (also from what I have been reading) Windows 7 will automatically NOT defrag an SSD.

I had started looking into disabling the default defrag schedule via GPO, but perhaps that is not necessary. Can anyone confirm or refute the idea that Windows 7 will reliably avoid running a defrag on an SSD, thus saving me from the task of disabling the default defrag schedule on all of our new clients?

Thanks for the help.
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Question by:westone
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6 Comments
 
LVL 24

Expert Comment

by:aadih
ID: 39651381
This is what you need to read (and do), "Disable automatic defrag for SSD drives":

http://support.microsoft.com/kb/2727880 >

[Summary]: So, by default, Windows 7 should automatically disable its scheduled defragmentation. But, just to be sure, check if it is disabled or not. If not disable it.
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Accepted Solution

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Michael-Best earned 2000 total points
ID: 39651417
Windows7 is SSD aware which disables SSD's from automatic defragment schedule

Read the details in this link:
http://social.technet.microsoft.com/forums/windows/en-US/78b0b748-0008-449b-a163-33d7a1873d88/windows-7-and-ssd-defragmenation
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Author Comment

by:westone
ID: 39651468
Okay, well one of these suggestions will prove to be correct in my situation. I will need to check some of the clients and see. Please bear with me until I can do so and get back to you. Hopefully this afternoon.
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Expert Comment

by:garycase
ID: 39651705
Windows 7 not only won't schedule a defrag on an SSD, it won't LET you do a defrag on an SSD => it will tell you it's "not eligible" to do a defrag.
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Author Comment

by:westone
ID: 39653498
Michael-Best is correct - Windows 7 recognizes the SSD in my computers and will not even allow them to be selected for scheduled defrag.
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Author Comment

by:westone
ID: 39711839
Update: I just checked another Windows 7 computer in one of our branch offices, identical to the computers discussed above in this thread, and it listed the SSD in Defragmentor and allowed me to start a defrag routine on it. So perhaps Windows does not always properly recognize an SSD. All of these computers were ordered at the same time and have the same LITEONIT LCS-128M6S 2.5 drive installed.
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