The ODS has change to support 64bit in later versions. So if you backup
the database in 1.5, you can restore it to a 2.5 64bit and it will work
correctly. Once restored it will work with both 32bit and 64bit systems.

Gordon

On 2/14/2011 7:07 AM, demigheldmarco wrote:
>
> Hello,
>
> I tried to open an old database created with FB 1.5 with FB 2.1.3
> (x64) or FB 2.5.0 (x64) and failed. I get always error message:
>
> "Connetion failed
> file c:\dba8964.fdb is not a valid database."
>
> If I install the x86/Win32 Version of those Firebird servers, opening
> succeeded.
>
> I am able to provide the fdb file if needed!
>
> Thanks + regards,
>
> Marco Held
>
>



[Non-text portions of this message have been removed]