No Systems are Displayed on the Login Page

Hi,

There is no systems displayed in the System drop-down list on the SAP ESP Cockpit login page.

I followed the help from this link but did not help:

http://help.sap.com/saphelp_esp51sp08cp/helpdata/en/14/105b98751e1014a3f4ae99b6fbdf23/content.htm

Any suggestion would be appreciated.

Thank you

Welly