Henner Kollmann wrote:

>Hi all,
>
>I have a transportable backup created with firebird 2.0 alpha.
>No i try to restore this with firebird 1.5.2.
>
>This do not work. I get the following error message:
>
>Unsuccessful execution caused by system error that does not preclude
>successful execution of subsequent statements.
> Expected backup version 1, 2, or 3. Found 7.
>
>
>Any idea how to solve this?
>
>Thanks
>Henner Kollmann
>Aucos GmbH
>
>
>

It isn't possible to go back to an older version in Firebird via
backup-restore.
Create the same db-structure in 1.5.2 and pump your data over from 2.0
alpha.

Uwe