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Windows 7: Defragmenter programs can delete System Restore Points

29 May 2014   #31
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

I've been mostly using Win 8.1 lately and see some "interesting" findings.
I prefer Win 7, but some people I help are buying Win 8 PCs, and then call me for help.
So, I've got Win 8.1 now and I'm trying to learn as much as possible.
I don't want this post to start a Win 7/Win 8 flame war.
If I'm going "off-topic" with this, let me know and I'll delete this post ...

On this Win 8.1 OS

I know there was at least one Restore Point (last I checked).
There are none now.
The space allocated for RPs was reset to 0, I know I set that to apx 10% earlier.

I NEVER installed a 3rd party defrag utility on this OS.
I NEVER manually ran a defrag, I let Windows default scheduled defrag handle this.

Just checked and SOMETHING defragged the [C] partiton ONLY a day after the scheduled defrag.
It was NOT the default Scheduled Defrag Task that ran, I have History enabled.

I do use CCleaner file cleaner.
I have been installing several programs and testing them, but the system is "clean" imho.

If this thread is for Win 7 only, I can delete this post.
If anyone is interested in Win 8 "issues", this is what I found so far.
I didn't see a thread about this issue on EF, but maybe this info will help over there ...


My System SpecsSystem Spec
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29 May 2014   #32
Slartybart

x64 (6.3.9600) Win8.1 Pro & soon dual boot x64 (6.1.7601) Win7_SP1 HomePrem
 
 

I think this is a general Defrag thread, no need to differentiate between OS.

Does anything get reported in the event logs re: the unscheduled defrag.

It is very odd that the space got reset to 0 - I think I understand the RPs disappearing, but this is different and very bad.
My System SpecsSystem Spec
29 May 2014   #33
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

The more I look at this the more interesting - and confusing ...
The ScheduledDefrag task in Win 8.1 has NO triggers. (see screen print 1)
The ScheduledDefrag task in Win 7 HAS a trigger.

In Win 8.1 Task History you can see the task ran on 5/26 and then on 5/29... (see screen print 2)
From what I see the defrag task runs every couple of days, not once a week (as I expected).
In Win 7 the defrag task runs once a week - as it should.

In Event History I found 2 defrag "Optimizer" events that ran on 5/27. (see screen print 3)
What ran to cause these events ????

The "event text" for these is:
The storage optimizer successfully completed boot optimization on SSF3A-1 Win8.1 (C)
The storage optimizer successfully completed analysis on SSF3A-1 Win8.1 (C)

I did find Shawn's tutorials in EF
Optimize Drives - Defrag HDD and TRIM SSD in Windows 8
Optimize Drives Schedule - Change in Windows 8

but I don't understand why "defrag/optimize" runs every couple of days and not weekly (see screen print 4)
And, what runs to cause the optimizer events that aren't listed in the defrag task history



Defragmenter programs can delete System Restore Points-dfgsp01.png

Defragmenter programs can delete System Restore Points-dfgsp02.png

Defragmenter programs can delete System Restore Points-dfgsp03.png

Defragmenter programs can delete System Restore Points-dfgsp04.png


My System SpecsSystem Spec
.

29 May 2014   #34
Slartybart

x64 (6.3.9600) Win8.1 Pro & soon dual boot x64 (6.1.7601) Win7_SP1 HomePrem
 
 

@DavidW7ncus
Followed your lead and checked EF - which lead me to this discussion on Win8 and optimize. Haven't read the entire blog, Why Windows 8 and 8.1 defragment your SSD and how you can avoid this , but the post, Solved Defrag on SSD , that lead me there was interesting.
My System SpecsSystem Spec
29 May 2014   #35
Callender

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 
Something to check

Quote   Quote: Originally Posted by DavidW7ncus View Post

On this Win 8.1 OS

I know there was at least one Restore Point (last I checked).
There are none now.
The space allocated for RPs was reset to 0, I know I set that to apx 10% earlier.
I'm not entirely familiar with Win 8 but it might be worth checking that SRP settings haven't been changed by some method unknown to you like using a tweaking program or registry cleaner. Anyway it's worth check.

If you look at the registry key here:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore

You should see RPLifeInterval - This value specifies, in seconds, the restore points Time to Live (TTL). When a restore point reaches this time and it is still on the system, it gets deleted. The default value is (7776000), which will be 90 days. Check the figure to see if it's different.




My System SpecsSystem Spec
29 May 2014   #36
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

This is not a Windows 7 only thread. This issue has been happening since Vista for sure. I believe XP used snapshots and not VSS? In any case, I have not seen XP users having this issue. It doesn't mean it doesn't happen, or that other issues can also cause loss of SR points. A Guy
My System SpecsSystem Spec
29 May 2014   #37
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

I don't have a RPLifeInterval registry key in Win 8.1.
I checked again and the Restore Point is gone and System Restore max usage is reset to 0.

For now:
I set the max usage back to 10%.
I turned off scheduled defrag.
I'll keep an eye on it and see how it goes the next few days ...
My System SpecsSystem Spec
29 May 2014   #38
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

You aren't dual booting are you?

A Guy
My System SpecsSystem Spec
29 May 2014   #39
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

No - this system is TRIPLE boot.
My System SpecsSystem Spec
30 May 2014   #40
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

I'm serious, dual booting can delete SR points in 8. Do a search for deleing restore points at Eight Forums. A Guy
My System SpecsSystem Spec
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 Defragmenter programs can delete System Restore Points




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