> -----Original Message-----
> From: IB-Conversions@yahoogroups.com
> [mailto:IB-Conversions@yahoogroups.com]On Behalf Of Barkat Ali
> Sent: Miércoles, 06 de Febrero de 2008 3:56
> To: IB-Conversions@yahoogroups.com
>
> Hi,I want to use IB7.5 database with Firebird2.1 .
> How could I convert it?
> I tried connect command in ISQL utility but generate an error
> SQLERROR = -820
> "Unsupported on -disk structure, found 11.2 support 11.1

FB and IB are compatible only up to FB1 and IB6.
Try to backup with IB and restore with FB, but there's no warranty that it
will work.
You may want to recreate the metadata on FB (isql can extract it from your
current db) and then pump the data. Here, the typical recommendation is
http://www.clevercomponents.com/products/datapump/ibdatapump.asp

C.