Thank you everyone, i got it. Helen was right, although I am using embedded 2.0, I had 2.1 installed and running when using gbak..

Kind regards,
Ulricke

--- In firebird-support@yahoogroups.com, Helen Borrie <helebor@...> wrote:
>
>
> >>SQL Error: unsupported on-disk structure for file C:\Projects\Herbarium2007\bin\FIELDGUIDE.FDB; found 11.1, support 11.0. Error Code: -820. wrong or >obsolete version.
>
> At 11:17 PM 11/06/2009, Nols Smit wrote:
>
> >What utility did you use to backup and restore the database? Make sure it is configured to point to C:\Program Files\Firebird\Firebird_2_1\bin of FireBird 2.x
>
> No. If he is using the Firebird 2.0 embedded server, he must back up and restore using Firebird 2.0.x gbak. That means he must have *that* version of gbak.exe in the application directory where fbembed.dll (renamed to fbclient.dll) is located.
>
> What has happened here is, he has a Fb 2.1 server running. He used the Fb 2.1 gbak to (at least) restore the backup and got an ODS 11.1 database as the result.
>
> ./heLen
>