S/4 HANA 1610 - Fiori 2.0 Notifications are not appearing

Hi,

I am using a Demo S4 HANA 1610 system with US data. Everything is going fine but I noticed that I am not able to receive any kind of notification in Fiori 2.0.

Somewhere I read that Push notifications from HCP and Workflow mails are eligible to get listed into Notifications. Since I am not going to use HCP, I created one workflow that triggers for PO approval. And yes I am able to see its record in "My Inbox" app at Fiori Launchpad. But the problem is that Notifications area does not show anything.

I also followed Notification Channel Enablement document from

http://help.sap.com/saphelp_nw751abap/helpdata/en/f8/a24d491bdd4876bfa5f49d3eeaa21b/content.htm?frameset=/en/1a/0048389bba4459af67cec69f2bb911/frameset.htm¤t_toc=/en/ad/612bb3102e4f54a3019697fef65e5e/plain.htm&node_id=725&show_children=false

In the above link, there is a transaction (/N/IWNGW/BEP_DEMO) that triggers a sample notification

and it said it has successfully attempted the notification request, it also provides its ID but nothing happens in Notifications.

I am very confused how to solve it, I dont understand which step have I missed in the scenario.

Need help.

Thanks