Connexion to SAP Netweaver 7.31

Hello Everybody,

I have installed SAP Netweaver PI 7.31 with SPM (single stack java).

For post installation, I have activated the Process Orchestration.

I followed this procedure: http://scn.sap.com/docs/DOC-31264

Now I would like to connect to SAP Netweaver PI 7.31 with NWDS but

I do the procedure like the link but i can't connect to my PI

Could you help me please?

Best Regards,

Eric