Defragment in Win7 without Admin Rights

Hi I am using Win 7 64 bit.
i can defrag with administrator account, but not able to defrag with normal user.

pls let me know how to defrag in user login without admin rights.
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Why not simply to schedule Defrag using Task Scheduler so no longer require a common user to do the task??
IkaIndiaAuthor Commented:
i am getting this error while creating new task scheduler, attached screen shot.

all client computers will login as user to the domain.
Are you using Administrator to configure the schedule??
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The built-in Windows 7 defrag utility already has a scheduling capability that is readily available.  If you click on the Start button and type Disk Defragmenter, you will open the following interface and can adjust the schedule accordingly:

Win7 Disk Defrag
IkaIndiaAuthor Commented:
 i will login as adminsitrator and configure the defragment scheduler,

does it work in user login without admin rights.
No, you're going to need admin rights.  That's why it's always important to note the UAC icon on the Configure Schedule button within that picture.  But, you should theoretically only need to modify the schedule to your preference just once, and then you are all set.
> does it work in user login without admin rights.

Yes. but the computer needs to be on at the given time. :-)
It sounds like Peea may have understood your last question better than I did.  Once you actually set the defrag schedule with admin rights, it will be completely automated from that point forward.  The defrag will run at the scheduled time, regardless of the privilege level of the person who is logged into the machine.

Even if the machine isn't on at the scheduled time (such as my 1:00 AM example in the picture above), the computer will typically still run the daily defrag the next time the computer is powered on and idle for a short period of time.

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