Generally, it is necessary to restart a portal service if you change its configuration settings. Use SAP NetWeaver Administrator to start and stop services.
For information about the effect of modifying service properties In a cluster environment, see Modifying Manager or Service Properties .
Open SAP NetWeaver Administrator by either of the following methods:
Use the URL to your AS Java ( hostname:port ) to access the AS Java home page and use the link to SAP NetWeaver Administrator.
Alternatively, add nwa to the AS Java URL to access SAP NetWeaver Administrator directly. ( hostname:port/nwa ).
Navigate to Start & Stop link.
and choose theThe Start & Stop: Java EE Instances window appears.
Click the Java EE Application bar and select the relevant application in the Application List .
The Portal Services pane displays the services associated with the selected application.
Choose Start Service or Stop Service .
For more information, see Starting and Stopping Java EE Applications .