Bug: NSPerl.exe is not available with the Data Delivery Extension version 9.x
When configuring the Data Delivery Extension (DDE) with IIS as described in the Data Delivery Reference Guide, the instructions say to browse to nsperl.exe. This file is not installed with DDE versions 9.0 and 9.1.
This is a known error in the documentation.
In the according configuration step, browse to <DDE installation directory>\Perl\bin\perl5.8.3.exe instead.