OK, I'll go first. I'm sick of trying to solve this myself. Here is what I am battling:
I have system restore turned off for my USB external hard drive. Periodically my laptop changes the status back to monitoring. That appears to then result in a deletion of my system restore points. Right now it lists the status as Offline. (My HD is on and plugged in.)
I have it set to a specific drive letter – S. I have no idea what else to try.
Thanks for any help.
Can you please clarify one thing for me? When you say "…result in a deletion of my system restore points" are you talking about your whole system restore points or just the system restore points for your external HDD? I ask because I am reading http://support.microsoft.com/kb/301224 and it mentions
- If you manually turn System Restore off on any non-system drive, all restore points on that specific drive are deleted, and you receive the following warning message:
- You have chosen to turn off System Restore on this drive. If you continue, you will not be able to track or undo harmful changes on this drive.
Do you want to turn off System Restore on this drive?
When you turn System Restore on again on the system drive, it immediately creates a System Checkpoint. When you turn System Restore on again on a non-system drive, it does not immediately create a restore point on that drive, but monitoring resumes immediately on the drive.
It deletes all my system restore points. (I don't have it monitoring the external.) I usually find it a few hours after it has happened and there might be one new restore point listed since the time they were all deleted. I can't remember exactly but then I think it shows the external's status as monitoring and then I change it again to turned off.
My best guess is because of lack of space. You said you have 6GB free but I suggest you try lowering the amount of space given to system restore and/or clear up more space on your HDD. By default System Restore is using about 2GB already.
I will try that but, honestly, I've seen that suggestion during my research and I don't believe that is it. My HD space has normally been about half the drive free, I just installed some large software within the last two weeks, and this has been going on for a long time.
Thanks for the suggestion, hopefully it works otherwise I'll report back.
It could be. However as far as I know turning the monitoring back on shouldnt delete restore points. Someone correct me if I am wrong.
Here is what I've been working off of. It took me a long time to just diagnose it to this. But once I did what he suggested, it seemed to work… for about a week the points were fine then, one day the drive was back to being monitored and the points were gone. (It seems to be on Thursdays but I'm not really sure about that.)
It is a bad practice to let System Restore monitor an external drive. By design most external drives are monitored by System Restore. If any changes are made to the external drives files while it is not connected to the system, the next time it’s connected System Restore will find an inconsistency in the SR log and cause all existing restore points to become corrupt and require there deletion. The same can be true if the external drive is powered off while the system is running.
A possible work around is to assign a permanent drive letter (the higher in the alphabet the better) to the external drive via Disk Management. To access Disk Management, go to Start – Run and type diskmgmt.msc then press enter.
Reboot the system. Open System Restore and stop monitoring that drive. This should keep System Restore from monitoring that drive, but not always.
I am not sure if this will work, buy try turning the external drive off before powering
down the and turn the drive back after Windows is finished starting up.
Bert Kinney MS-MVP Shell/User
I came up with a solution for myself recently. Not sure it's the best, but it does work.
--I created a file with name "System Volume Information" in the root of the disk.
After that windows could not create the SVI directory.
With the second solution you would not have to turn off System Restore. If you don't turn off System Restore it won't turn on automatically and kill your restore points (assuming that is the reason behind deleted restore points).
If I don't come up with a permanent solution, I'll remember the idea about powering down.
I tried to create a file named System Volume Information in the root of the external HD but it won't allow it because there is already a file with that name.
Just so you know, I'm not married to this diagnoses but, as I've watched the points being repeatedly deleted, so far, this theory has fit my symptoms the best.
Thanks for your help.
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