Windows Vista Forums

ultimate backup error: file already exists
  1. #1


    Chris Cowles Guest

    ultimate backup error: file already exists

    I'm trying to back up from Vista Ultimate to a share on a networked
    Linksys NSLU2 I named NAS1. The share is 'backup'. Backup can browse
    to the folder at which point I get a userid/pw prompt. After
    completing login to NAS1, Vista backup consistently fails because
    "Cannot create a file when that file already exists. (0x80070087)".

    When I look in the share directory, there's a new subdirectory with
    long hexadecimal name. It wasn't there before I started backup, so
    backup created it then wants to try to created it again?

    Any suggestions for resolution?

    TIA
    --
    Chris Cowles
    Gainesville, FL





      My System SpecsSystem Spec

  2. #2


    Carey Frisch [MVP] Guest

    Re: ultimate backup error: file already exists

    This is indeed a reason why backing up to mapped drives isn't supported
    with Windows Vista.

    According to Microsoft, to use a NAS device as a backup target, you
    need to create the share with "Full Control" privileges for the user whose
    credentials they want to connect with.

    If this doesn't work, contact your NAS manufacturer to ask them for
    upgraded firmware based on 3.x version of Samba.

    --
    Carey Frisch
    Microsoft MVP
    Windows Shell/User

    --------------------------------------------------------------------

    "Chris Cowles" wrote:

    I'm trying to back up from Vista Ultimate to a share on a networked
    Linksys NSLU2 I named NAS1. The share is 'backup'. Backup can browse
    to the folder at which point I get a userid/pw prompt. After
    completing login to NAS1, Vista backup consistently fails because
    "Cannot create a file when that file already exists. (0x80070087)".

    When I look in the share directory, there's a new subdirectory with
    long hexadecimal name. It wasn't there before I started backup, so
    backup created it then wants to try to created it again?

    Any suggestions for resolution?

    TIA
    --
    Chris Cowles
    Gainesville, FL



      My System SpecsSystem Spec

  3. #3


    Chris Cowles Guest

    Re: ultimate backup error: file already exists

    "Carey Frisch [MVP]" <cnfrisch@xxxxxx> wrote in message
    news:F4AD1FC4-9525-4141-BB11-40F64110517D@xxxxxx

    >
    > This is indeed a reason why backing up to mapped drives isn't
    > supported
    > with Windows Vista.
    >
    > According to Microsoft, to use a NAS device as a backup target, you
    > need to create the share with "Full Control" privileges for the user
    > whose
    > credentials they want to connect with.
    The account in question is adminstrator on the NAS. Why would that not
    work?

    If it matters, I didn't use a mapped drive letter. I used UNC,
    \\NAS1\BACKUP.
    --
    Chris Cowles
    Gainesville, FL



      My System SpecsSystem Spec

  4. #4


    Eduardo Laureano [MSFT] Guest

    Re: ultimate backup error: file already exists

    Some other users have reported problems that turned out to be Samba bugs. In
    terms of troubleshooting you could try to use a subfolder under the share
    and see if that works. If it doesn't, sometimes a firmware update is what is
    needed to have this device behave as expected. The more recent Samba
    versions (3.0.2.x) are more stable.

    Eduardo
    --
    This posting is provided "AS IS" with no warranties, and confers no rights.
    --


    "Chris Cowles" <spam_magnet@xxxxxx-me-bellsouth.net> wrote in message
    news:OzhOQkq8HHA.1184@xxxxxx

    > "Carey Frisch [MVP]" <cnfrisch@xxxxxx> wrote in message
    > news:F4AD1FC4-9525-4141-BB11-40F64110517D@xxxxxx

    >>
    >> This is indeed a reason why backing up to mapped drives isn't supported
    >> with Windows Vista.
    >>
    >> According to Microsoft, to use a NAS device as a backup target, you
    >> need to create the share with "Full Control" privileges for the user
    >> whose
    >> credentials they want to connect with.
    >
    > The account in question is adminstrator on the NAS. Why would that not
    > work?
    >
    > If it matters, I didn't use a mapped drive letter. I used UNC,
    > \\NAS1\BACKUP.
    > --
    > Chris Cowles
    > Gainesville, FL
    >

      My System SpecsSystem Spec

  5. #5



    Newbie
    Join Date : Feb 2009
    Posts : 1
    Vista Home Premium x64
    Local Time: 08:02 AM


     

    Re: ultimate backup error: file already exists

    [quote='Eduardo Laureano [MSFT];449349']Some other users have reported problems that turned out to be Samba bugs. In
    terms of troubleshooting you could try to use a subfolder under the share
    and see if that works.


    FYI. I tried adding the subfolder under the share and it didn't work. Why on earth would Vista have been designed not to support backing up to NAS? What Rocket Scientist thought that was a good idea?

    Leigh

      My System SpecsSystem Spec

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