Cannot integrate ServiceDesk Plus with OpManager

Cannot integrate ServiceDesk Plus with OpManager

OpManager version: 11500
Servicedesk plus version: 9103
I'm using self-signed certificate for OpManager and 3rd party valid certificate for Servicedesk plus both running https.
I followed  this article to set up the integration; but I encounter an error asking to check if ServiceDesk service is running 
Please help me get the integration working.

Regards, Alireza

                New to ADSelfService Plus?