Unbale to logon from NWBC

Hi

We install ecc6.0 EHP3 and configure Nwbc basic configuration trough Note 1163891 - SAP AIO with NWBC in SAP EhP3 for SAP ECC 6.0: Configuration

But when ever I enter any activity like create martial , display material .every activity asking user name and password every time .

And also in service (sicf) logon data removed .we unable to logon server trough NWBC. It is compulsory to maintain logon data

Please tell me the procedure to configure the NWBclient.