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backing up c:\windows\lastgood

Posted on 2004-10-31
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Last Modified: 2008-02-01
Hi,

I have a win2k3 server running ArcServe for backups. Recently the backup began failing with the error:

[10/27/2004-23:46:03] Unable to find directory. (DIR=C:\WINDOWS\LastGood, EC=The system cannot find the file specified.)

I have checked and (strangely enough) the software is correct, this directory doesn't exist, although it must have at one point in time. Should I be concerned that the directory doesn't exist, or should I just remove it from the list of items to backup and forget all about it ?


Thanks.
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Question by:td_miles
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    LVL 11

    Accepted Solution

    by:
    It is safe to remove this from your backup list.  The LastGood directory is used by System Restore to restore your system to a previous configuration.  Apparently, you must have turned this feature off in order for the directory not to appear.  Below is some more information on the directory.

    The Last Known Good recovery option, with which you access through the boot menu, allows you to revert the system to the last copy of the HKEY_LOCAL_MACHINE\System\CurrentControlSet subkey with which the system successfully booted and a user logged on. It has been integrated with the HIW to make recovery even more likely. One of the most common uses for Last Known Good is to return a system to a bootable state after you've installed a driver that prevents the system from booting successfully—the previous copy of the CurrentControlSet won't have the Registry settings that enable the new driver. However, if you update an existing driver, Last Known Good wouldn't have helped you—prior to Windows XP, that is. Now, when you update a driver the HIW saves the previous version used to boot successfully in \Windows\LastGood\System32\Drivers, and when you select the Last Known Good boot option the updated driver is replaced with the old version.
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    Author Comment

    by:td_miles
    Thanks for the info. I'm guessing that having the Last Known Good option may be a good thing ?

    How can I enable it again, so that this directory is created and populated with the info needed ?
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    Expert Comment

    by:cfairley
    System restore on 2003 is diabled by default and it is enabled by default on XP.  Here is an excellent link about system restore and how to enable it in 2003.

    http://www.petri.co.il/disable_system_restore_in_windows_xp.htm

    Thanks,
    Cfairley
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    LVL 13

    Author Comment

    by:td_miles
    I think I'll pass on registry hacks for a server. If it's no use, I'll simply uncheck it in the list of files for the backup to do. If Sys Restore isn't installed (by default) on win2k3 servers, how did this directory appear initially when the backup set was being created (and get backed up for months) and then suddenly dissapear ? That was my main concern that it was there originally, but the directory isn't there anymore ?
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    Expert Comment

    by:cfairley
    td miles,

    Sorry, but I can't find an answer as to why it disappeared.  I would just remove it from the backup list.  In the past 12 years, I've seen stranger things happen with Microsoft products.  Sometimes you find an answer in a Q article that just says "This feature is by design", when means when translated, "We don't know".

    Thanks,
    cfairley
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    Author Comment

    by:td_miles
    have removed it from backup list, thanks for your helk.
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    Expert Comment

    by:cfairley
    No problem td miles.  Sorry we could not get a better answer.  Thanks for using EE!
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