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Hardware and Software Requirements

The following information are valid for Microsoft Windows based systems! 


You check the hardware and software requirements using the requirement checklists in the
following sections. They give the minimum requirements for small SAP system installations
and do not include customer data. Depending on the amount of data involved, the
requirements might change. For a more precise sizing definition that reflects your particular
system load:
-> Use the SAP Quick Sizer tool that is available in the SAP Service Marketplace. You
enter information on your planned system and the tool calculates the requirements. For
more information, see the SAP Service Marketplace at
-> Contact a hardware vendor. The vendor can analyze the load and calculate suitable
hardware sizing for you.
-> Contact the person in charge of installation, or your Competence Center, or your
Microsoft representative.


->  Use Windows 2000 or Windows Server 2003 as operating system. With Windows, you must use the English (International) version of the operating system, but you can use a different language for the graphical user interface (GUI). For more information, see SAP Note 362379. You specify the operating system language when you install the operating
-> For more information on Windows operating system security, see
-> For remote support, the remote connection specified in the contract agreement must be
available before installation. The Internet address setup at SAP and registration are dealt with during the installation.
-> You are only allowed to install an SAP system on certified hardware. AddOn Technology Center for SAP (AddOn TCS) certifies hardware platforms for SAP on
specified releases of Microsoft Windows. You can then run the SAP system on the
respective platform for all the combinations of the SAP system and databases released
by SAP for the specified Windows release. You can find more information about
certified platforms at

Process Flow

1. You see the checklists of the SAP system instances you want to install:
Central instance
Central services instance
Database instance
Dialog instance, if you want to install additional (J2EE) dialog instances
If you install multiple SAP system instances on one host, you need to add up the requirements.
2. You check the network requirements. For more information, see the documentation
Network Integration of SAP Servers in the SAP Service Marketplace at
For more information on SAP software in PC networks, see SAP Note 5324.
If you do not fully meet the relevant requirements, you might experience
problems when working with the SAP system.

Requirements Checklist for the Central Instance and Central Services Instance

The central instance host must meet the following requirements:

Requirement Type



Suitable backup system
Minimum disk space
J2EE Engine database: 1 GB
Central instance:
non-Unicode or Unicode:
2 GB (not including virtual memory) on at least 3 physically
separate disks
Central Services instance: 2 GB
4.3 GB of temporary disk space for every required required installation DVD that you have to copy to a local hard disk 
To check disk space:
Choose Start >programs > Administrative Tools  ->
Computer Management  -> Disk Management.
b. Right-click the local drive and choose Properties.
-> Minimum RAM:
Central instance of a SAP Web AS J2EE system: 512 MB
Central instance of a SAP Web AS ABAP+J2EE system:
 Non-Unicode SAP system: 768 MB
 Unicode SAP system: 1.2 GB
J2EE Engine: Between 64 MB and 4096 MB, depending on the load of your SAP system.
Do not enter a value larger than the maximum Java
heap size of your platform. For more information, see
the documentation for your Java Development Kit (JDK).
If you are installing an SAP Web AS ABAP+J2EE
system and if you want to use it for the SAP Exchange
Infrastructure (XI), be aware that the J2EE engine
requires at least 1024 MB RAM.


MS SQL Server 2000 Enterprise Edition (Client Tools Only
32-Bit: Service Pack 3 and latest hot fix for MS SQL
64-Bit: Latest hot fix for MS SQL Server
 For more information on the current Service Pack for MS SQL Server, read SAP Note 62988.
For more information on the latest hot fix for MS SQL Server, see SAP Note 608651.
English international version of one of the following:
Windows Server 2003, Standard Edition
 Windows Server 2003, Enterprise Edition
Windows Server 2003, Datacenter Edition
 Windows 2000 Advanced Server
Windows 2000 Data Center Server
For any version of Windows 2000, you need at least service pack 4. For more information on the latest service pack supported by SAP, see SAP Note 30478.


Make sure that the host name fulfills the requirements listed in
SAP Note 611361. For example, the host name must not be longer than 13 characters.


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