--- In firebird-support@yahoogroups.com, "crizz11" <crizz11@...> wrote:

>
> Currently have Firebird 1.5 32bit running on linux. Want to go to
> Firebird 2.0.3 64bit on linux. Other than the migration steps from
> version 1.5 to 2.3.0 is there anything else we need to look at in
> moving from 32bit to 64bit. Can we just backup the database on 1.5 32
> bit version and then import into 2.0.3 64 bit version?
>

If you have written some custom UDF library, (it not a must) but you
may consider take a look at the code, testing and compiling them on 64
bit os.