Port could not be created - while connecting to IIS

Hello,

We are in the process of creating and implementing idocs.

When generating partner profile (BD82), It throws this error:

"Port could not be created

RFC destination ZIISWS not specified for system ZIISWS

Enter the RFC destination and restart the generation"

In sm59, i have created a connection using "HTTP Connections to External Server"

When connection is test ---> Its getting successful Status Text OK

~response_line HTTP/1.1 200 OK

~server_protocol HTTP/1.1

~status_code 200

~status_reason OK

content-type text/html

last-modified Tue, 19 Jul 2011 05:15:45 GMT

accept-ranges bytes

etag "58f4d2e9d245cc1:0"

server Microsoft-IIS/7.5

x-powered-by ASP.NET

date Fri, 16 Dec 2011 09:09:27 GMT

connection close

content-length 689

Kindly guide , how to resolve this issue.

regards,

Ushan.