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We've been having trouble with our file server lately. Everyday around 5pm it fires an online defrag of the drives that basically tanks the server for 10-15 minutes. 
 
I've attached the event log. Anyone know how I can turn this off or reschedule it to off time? 
 
 
Event Type: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Information 
Event Source: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ESENT 
Event Category: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Online Defragmentation 
Event ID: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;701 
Date: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3/23/2011 
Time: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5:15:45 PM 
User: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;N/A 
Computer: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FILESRV 
Description: 
Dfsr (3308) \\.\G:\System Volume Information\DFSR\database_F834_AD53_34AD_1622\dfsr.db: Online defragmentation has completed a full pass on database '\\.\G:\System Volume Information\DFSR\database_F834_AD53_34AD_1622\dfsr.db'. 
 
For more information, see Help and Support Center at <a href="http://go.microsoft.com/fwlink/events.asp" rel="ugc">http://go.microsoft.com/fwlink/events.asp</a>. 

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We've been having trouble with our file server lately. Everyday around 5pm it fires an online defrag of the drives that basically tanks the server for 10-15 minutes.

I've attached the event log. Anyone know how I can turn this off or reschedule it to off time?


Event Type:	Information
Event Source:	ESENT
Event Category:	Online Defragmentation 
Event ID:	701
Date:		3/23/2011
Time:		5:15:45 PM
User:		N/A
Computer:	FILESRV
Description:
Dfsr (3308) \\.\G:\System Volume Information\DFSR\database_F834_AD53_34AD_1622\dfsr.db: Online defragmentation has completed a full pass on database '\\.\G:\System Volume Information\DFSR\database_F834_AD53_34AD_1622\dfsr.db'.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.


Online defragmentation affecting server performance

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).