> I am already under FB3 and I am only planning in case I will move to 64
> bits server

If you are using your own or third-party UDFs, be aware that you will
need UDF libraries compiled with 64 bit then.

Other than that, a 64-bit server won't care about if a 32-bit or 64-bit
client connects.


--
With regards,
Thomas Steinmaurer
http://www.upscene.com/

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