--- In firebird-support@yahoogroups.com, Mark Rotteveel <mark@...> wrote:

> Where did you store the UDF? And if it is outside the UDF folder of your
> firebird installation, did you modify the Firebird.conf to allow this
> additional location to be accessed by Firebird
>
> The default in firebird.conf is:
> #UdfAccess = Restrict UDF
>
> Which means only the UDF folder in the Firebird installation is allowed.
>
> You need to change this to:
> UdfAccess = Restrict UDF;<path-prefix-for-your-UDF>
>
> Notes: remove the '#'

Thank for the answer Mark! I have the DLL here

C:\Program Files\Firebird\Firebird_2_5\UDF\sgudf.dll

So, that should be ok, isn't it?

sergio.