> When I use IB_SQL to view the database, F_AGEINDAYS appears to be defined.
> I've been using this udf and .dll (FreeUDFLib.dll) for many years with no
> issues. This is my first 64-bit experience.
>
> I try a backup/restore on my 32-bit OS (Win 2003 Server) and no warnings at
> all.
>
> Any ideas?

64 bits server requires 64 bits UDF DLLs.

SY, SD.