Answer / inder09

Install SAP GUI on the central instance host
Preparing for Installation in Windows
You must use NTFS for an SAP system installation
Update Dynamic Link Libraries (r3dllins.exe)

Reducing the Size of the File Cache
Start -- Settings -- Control Panel -- Network and Dialup
Connections-- Local Area Connections
When the Maximize data throughput for network applications
option is selected, the windows
file cache is reduced in size so that application server
software, such as SAP system, has
more resources available. This also decrease the time needed
for the installation, especially for
the database import

For the installation, you need a user with administration
rights.

You need to prepare one host in SAP ERP Central Component
for the role of transport host.
Map the IP address of the transport host to the
SAPTRANSHOST, you can map the IP address to
the SAPTRANSHOST alias in the Hosts file

Goto <Drive>:\WINNT\system32\drivers\etc
Open the Hosts file with an editor and add the line:

<IP_ADDRESS> <fully qualified hostname> <hostname> SAPTRANSHOST
e.g.,
10.22.8.00 twdf0000.wdf.sap.corp twdf0000 SAPTRANSHOST

Preparing for the SAPinst Installation in Windows
Install Java Development Kit on every host on which you want
to run SAPinst
Clean up the JDK\ext directory
Set JAVA_HOME environment
Add %JAVA_HOME%\bin to your system path
Install SAPinst
Start SAPinst from the SAP Master DVD, Double-click
sapinst.exe from in the directory
<G:\Setup\SAP_Installation_Master_ECC_ORA\IM1\SAPINST\NT\I386>

Install the Oracle Database software according to the SAP
specifications
Apply an Oracle Patch using the Universal Installaer
Apply a Oracle interim patch using the OPatch tool
Install a central instance
Install a ABAP Dialong Instance
Install a SAP Web AS Java Central Instance
Install a SAP Web AS Java Dialog Instance
Install a stand-alone SAP Gateway instance

Answer / krishna

sap installation
1.dowmload sap netweaver app server setup files
2.extract these files
3.then download java files JRE
4.before installation chk the virtual memory size if needs increase
5.nw ur in windows server screen--run tha java setup file and accept the license and goto next next final finish
6.run the sap setup files like sapinst.exe file
7.select central system and goto next
8.it will show logoff screen select ok it will restart again
9.installation process will start automatically and accept the license and goto next
10.it will prompt for master password provide the details and goto next,next,next,next
11.finally installation will complete

Answer / ramanji

-->Pre installation checks
1.Check the hardware requirements.
2.Check the software requirements.
3.Install the supported java version.
4.Check the 36** ports are available or not and change the etc fil .

-->Installation
1.Start the sapinst.exe file..
2.Choose the our sap system requirement configuration.
3preview the configuration and excute the process.

-->Post-Installation checks.
1. Stop and start the sap system.
2.Perform SICK/SM28 is there any error after installation.
3.Install License(SLICENSE)
4.Check the Work process and Message server(SM50.SM51.SM13.SMMS,SMGW)
5.Check the trans port configuration and TP parmeters(STMS,)

Answer / sampat

put cd in disk and then press next untill the statement
'installed successfully' comes.

Advantage of central instance on application server

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