SAP R/3 can be installed into three landscapes
All three SAP Installations or Systems runing on the same host. DEV, QAS and PROD SAP systems will run on this host
Step 1: Configure 3 times RAM size for the size of Page file or Windows virtual memory
Step 2: Install j2sdk 1.4.2
Step 3: Create Java Environment variables
Step 4: Install RDBMS Component
In this step, we will install SAPInst (Installation Program for SAP R/3) program onto the server. This will create the SAPInst program executables onto the server”s hard drive at ”C:/SAPinst ORACLE SAPINST” directory. Once installed you will use this program to install SAP R/3 4.7 EE.
Once the installation is done, the following message box pops up, indicating the successful installation of SAPInst program on to the server. It will ask you to reboot the machine. Click YES and it wil automatically reboot the server. Upon re-start, the SAPInst program will run automatically.
a) Make sure the following directory C:\SAPinst ORACLE SAPINST is created and looks as shown below:
b) Go to Start menu and look for a new group created called “ SAPinst ORACLE SAPINST” and contains the four items:
1) Prepare New Installation
2) Remove SAPInst Files
3) SAPInst GUI
4) SAPInst Server Only
5) SAPInst Server with GUI
Prepare New Installation
Run All Programs → SAPinst ORACLE SAPINST → Prepare New Installation
Press any key and the cmd window will close. Now you are ready to run the “SAP Inst Server with GUI” command from the start menu.
Run “SAPInst Server with GUI” command from the start menu.
Go to Start menu, click on All Programs-> SAPinst ORACLE SAPINST → SAP Inst Server with GUI
The following screen will appear:
Click next and this screen will appear as shown below. Here you will provide the SAP System Id (use DEV for development, QAS for testing and PRD for production). The first time you run this program you will choose “Create Central Instance”
In the next screen, choose instance number 00 (for central Instance) and click next.