Hi Gerhard,

> i wrote a udf which runs well on my computer (Windows XP). But
> installing this dll on a another WindowsXP Machine which is used as a
> small server i get this error messages:
>
> ISC ERROR MESSAGE:
> Access to UDF library "compress.DLL" is
> denied by server administrator
>
> has anywhere a idea or much better a solution

UDF access can be restricted in the Firebird configuration file.

Have a look at that file on that second Windows XP machine.

With regards,

Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
Server.
Upscene Productions
http://www.upscene.com