Tom,

> When I try to access an Interbase 6.0 created database with firebird
> 1 RC1, then I get an invalid handle error. This doesn't happens with
> databases I created with Firebird beta.

Since I am having the same problem, I'd add that the problem only occurs
when isc_database_info is called, only when forced writes are turned on,
with both local and remote connections and only under Win2K, as it
appears.
Ciao
--
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_/\/ando