william_yuwei schrieb:

> Hi,
>
> I've just installed FireBird 1.5, when I try use IBExport to
> connect one of my old database, IBExport raise an
> error: "Unsuccessful execution caused by an unknown resource.
> unavailable database". my database does exist. and I doule check the
> guardian and the server has started. so I guess the error is caused
> by missing ISC4.GDB. so where should I get it, Do I have to install
> IB?

There is NO ISC4.gdb for Firebird 1.5
The user database is SECURITY.FDB.
It's in the Firebird directory.

Make sure that you've set the server type of your database registrytion
in IBExpert to Firebird 1.5

Luc.