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How to Install SAP Central Instance on Windows

In this article I’ll show you step by step SAP installation procedure “How to install SAP Central Instance on Windows environment”.

Actually the steps to install SAP Central Instance is exactly the same as to install SAP Dialog Instance. The difference is there’s no question screen about Dialog Instance data.

One part of SAP Basis Consultant tasks is to prepare SAP System landscape from the beginning. You will do your SAP installation from Database Software Instance (Oracle/MS-SQL/DB2/MAXDB), Central Instance (CI), SAP Database Instance and additional Dialog Instance.

After you finish SAP CI installation you can add some additional SAP Application servers that serve as additional SAP Dialog Instance. Before you do the installation you have to make your server meet SAP Hardware Requirement. Detail about system requirements for SAP installation is provided in SAP installation guide (you can find in service.sap.com/instguides, user and password is required)

Please prepare the following SAP software CD’s before doing the installation:
1. SAP Installation Master
2. SAP Kernel
3. SAP Oracle Client

Don’t forget to read your SAP installation guide as your main guidance.

PREREQUISITE:
Set your JAVA_HOME first in your environment, point to your Java Directory.
Example: JAVA_HOME = C:\java

STEP:
1. Put your SAP Installation Master CD in CDROM/DVDROM Drive and run sap installer program SAPINST (usually in folder DRIVE:\IM\SAPINST\NT\, wait until the initial screen comes out.

2. Choose “Central Instance Installation” –> Depend on your database and Unicode/Non-Unicode, in this example I use Database Oracle with Non-Unicode.

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How to Install SAP Central Instance – pic 1

3.  If it’s the first SAP installation in the host, you’ll be asked to logoff your host.

How to install SAP Central Instance – pic 2

4. on next screen you’ll be asked for
SAP Central Instance number: Put the number of your SAP Central Instance
Hostname of Central Instance: put the hostname of your SAP Central Instance

How to Install SAP Central Instance – pic 3

5. in this step you’re asked to fill
Database SID
    Database hostname

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6. Now you’re asked about memory configuration
HINTS:
– if you’re using the server alone for your apps server, you can use 100% memory.
– Choose “Installation in Domain of current user” if your SAP CI using clustering technology and/or
your SAP system Landscape using domain authentication for SAP Admin user.

How to Install SAP Central Instance – pic 5

7. Choose “NO LDAP” if you’re not using LDAP

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8. Choose
“Locate executable on central instance host”
“Fill hostname of your transport directory”

How to Install SAP Central Instance – pic 7

9. You’re then asked for Database Server Version and Database Schema.

How to Install SAP Central Instance – pic 8

10.You’ll be asked for SAP Admin user and Password. Enter with the username and correct password.

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11. Enter username and password of SAP Service

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12. Enter the location of your CD SAP Kernel

How to Install SAP Central Instance – pic 11

13. Enter the location of your CD Oracle Client

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14. You’ll asked to enter Message Service Port

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15. Enter port number of your listener (from your Oracle Database)
usually located in (ORACLE_HOME\network\admin) to see listener configuration

How to Install SAP Central Instance – pic 14

16. You’ll see the summary of your configuration and Click Start if the configuration is OK

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17. The installation Process is running,,, watch for the error log

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How to Install SAP Central Instance – pic 17

19. Wait until finished successfully

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You can now continue with SAP Database Instance installation and additional SAP Dialog Instance.

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