> > >The strange thing is, on some machines it works,
> > >on other machines it doesn't.
> > [skip]
> > >gbak: ERROR: unavailable database
> > >gbak: ERROR: failed to create database c:\firebird\databases\x.fdb
> >
> > Probably, drive C: uses NTFS and firebird server doesn't have
> > enough permissions to write there? May be it is another problem with
> > IPC protocol. Try to use TCP/IP loopback.
>
> What do you mean?
> Using "127.0.0.1:c:\firebird\databases\x.fdb"?
> I've tried this, and the result is the same.
>
> I've also tried list the users, but security.fdb
> can't be accessed, either.
>

Is there a subdirectory firebird\databases?
There's something you are not fully explaining here. Are you on the server
when you try to restore? or a client?
Alan