SAP Basis

ADM100 Lesson: System Start: Process
Lesson:
36
System Start: Process
Lesson Duration: 30 minutes
Lesson Overview
The topic of this lesson is the starting of an SAP system. In addition to the
actual start sequence, the concept of services under Microsoft Windows is
discussed in detail.
Lesson Objectives
After completing this lesson, you will be able to:
• Describe the process of the start procedure of an SAP system
• Start the entire SAP System or individual instances
In this lesson, an SAP system is started under Microsoft Windows as
an example. The processes for other operating systems are analogous.
The start sequence is important: Database services and SAP services, the
database, the central instance, the other dialog instances.
Business Example
As the administrator of SAP systems, you need to stop the systems for
maintenance purposes or after changing system parameters, and then
restart them.
Preparatory Work: TobeabletodemonstratethestartingoftheSAP
system, you may have to shut it down first. To do this, log on to your
server with the Terminal Server Client. Use the operating system user
adm with the password adm to do this.
Stop your system with the Microsoft Management Console (MMC).
StartDBMGUIatoperatingsystemlevel(thereisashortcutontheuser
interface). Register the databases on your server. Open the Register
Database window by choosing File → Register. Select the two databases
DEV and QAS and choose Register. The system now requests a database
user with password for each database. Enter control/control for each
database. Then choose the Close button in the Register Database window.
Two databases are now displayed in the DBMGUI. The green selection
indicates that the databases have been started. Start or stop the relevant
database and then choose the green (Online) or red (Offline) button.
2003/Q3 © 2003 SAP AG. All rights reserved. 41