backups OK in MSDE2000 but won't work in SQLexpress

I'm migrating our app from VS2003/MSDE2000 to VS2005/SQLexpress. Generally no
problems, but the backup of database always fails.
The backup command is
"BACKUP DATABASE icespy5 TO DISK='C:\testbackup'"
I get:
"Cannot open backup device 'C:\testbackup'. Operating system error 5(error not
found). BACKUP DATABASE is terminating abnormally."
The same command works fine with the MSDE database. I have tried other
backup destinations but with no success. I have full admin rights; backup
fails in both debug and release environments.
Any ideas what's wrong?
Evidently permissions are not granted! I can back up to the folder where the
..mdf file is stored, so that will be fine, thanks. However it would be useful
to know how to grant SQL permission to an alternative folder.
Thanks for your help.
"Andrea Montanari" wrote:

> hi,
> quilkin wrote:
> please verify the Windows account the SQLExpress instance is running on has
> been granted adeguate NTFS permissions on the destination path..
> --
> Andrea Montanari (Microsoft MVP - SQL Server)
> http://www.asql.biz http://italy.mvps.org
> DbaMgr2k ver 0.21.0 - DbaMgr ver 0.65.0 and further SQL Tools
> -- remove DMO to reply
>
>
|||quilkin,
Try changing SQL service to log in as a Local System instead of a Local or Network Service
Jeff
Check Point Software
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"quilkin" <quilkin@.discussions.microsoft.com> wrote in message news:D58DA277-121E-49AE-96B1-7F91C674DD8D@.microsoft.com...
Evidently permissions are not granted! I can back up to the folder where the
.mdf file is stored, so that will be fine, thanks. However it would be useful
to know how to grant SQL permission to an alternative folder.
Thanks for your help.
"Andrea Montanari" wrote:

> hi,
> quilkin wrote:
> please verify the Windows account the SQLExpress instance is running on has
> been granted adeguate NTFS permissions on the destination path..
> --
> Andrea Montanari (Microsoft MVP - SQL Server)
> http://www.asql.biz http://italy.mvps.org
> DbaMgr2k ver 0.21.0 - DbaMgr ver 0.65.0 and further SQL Tools
> -- remove DMO to reply
>
>