Subject Re: [firebird-support] Migration from Firebird 32 1.5.6 to Firebird 64 2.5.3
Author Thomas Steinmaurer
> I want to replace my Firebird 32 1.5.6 with the last Firebird 64 2.5.3,
> on 64b
> All my databases was created with 32b, 1.5.6 Firebird.
> After installed Firebird 64, if a try to connect to database.FDB a
> received an error
> "database./fdb is not a valid database/".

Beside the other recommendations, before switching from Firebird 32-bit
to 64-bit, make sure that you aren't dependent on a UDF library which
exists only as 32-bit version.

With regards,
Thomas Steinmaurer

Professional Tools and Services for Firebird
FB TraceManager, IB LogManager, Database Health Check, Tuning etc.