SAP Basis OS/DB Migration - SAP Corner

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OS/DB Migration
Update & Upgrade
If your system is already above SAP NetWeaver Release 7.0, then you must either import SAP Note 1731549 or a corresponding Support Package. Afterwards, when creating new users, it is no longer possible to assign user names that are only composed of variants of spaces or other invisible special characters. Important: Changes to already existing users with these names or their deletion option are not affected by this! The SAP Note also adds the customizing switch BNAME_RESTRICT, whereupon you can control yourself whether alternative spaces are allowed to appear in certain places in the user name. For this, the following values must be set in the customizing table PRGN_CUST: NO = The alternative spaces are still allowed in the user name. ALL = The character set is reduced to a defined range, excluding certain special characters because they have specific meanings in certain operating systems or databases. This predefined character set is: ABCDEFGHIJKLNMOPQRSTUVWXYZ_0123456789,;-§&()={[]}+#. FME = The letters F, M and E stand for Front, Middle and End. With an 'X' in this three-digit switch value you can now explicitly specify at which position in the user name no wide spaces and control characters may occur. All combinations are possible, e.g.: XME = None of these special characters may occur at the BEGINNING of the user name. XMX = In the user name none of these special characters may occur at the BEGINNING and at the END. FME = One of these special characters may occur at any position in the user name (this corresponds to the default setting, i.e. as if no entry was maintained in PRGN_CUST for the switch). SAP recommends the use of the value ALL.

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SAP NetWeaver & SAP Gateway
After installing the GUI, the GUI patches should be applied as far as available. This includes the hotfixes after the patches, which are necessarily installed after the patches. BI Addon Patch A new service package and patch may need to be installed. It may also be that can be patched directly if another SP exists. The process takes about 30 minutes. The progress of the installation pauses at a certain percentage, as already mentioned above, so you do not have to cancel the installation prematurely. If the installation is not possible, the latest version will be included in another setup. Installation of the Precalculation Server The Precalculation Server is installed. You can also install any patches here. Service The installations create a service. This can be called under Services. Set the Startup Type of the service to "Automatic" (Standard Manual) Enter Login Credentials Recovery for First and Second Failure to "Restart the Service" Start Service Logon SAP Login to the SAP system with the appropriate client from the Precalculation Server. You can use the SAP system's own login. Warning: There must be permissions for the transaction RSPRECALCADMIN and SM51. The transaction SM51 will then be called. Before creating the instances, it must be ensured that the correct application server is selected, otherwise problems with the instances in the user's application may occur later. The transaction RSPRECALCADMIN is then called. A certain number of instances are displayed. They should all be marked and deleted until the view is empty again. They are then re-created with a continuous numbering in order to distinguish them later. Only the ID and description must be entered. The rest will be awarded automatically. The service will now restart and all instances should be green. This may take 2-3 minutes. Important: In the end, all instances must be green. This completes the creation and configuration.

Always the latest version: Your system will always be up to date and you will have access to the latest versions. Patches are performed by the external SAP Basis team.

The "Shortcut for SAP Systems" tool is ideal for doing many tasks in the SAP basis more easily and quickly.

A clearly structured and secure authorization management is very important to avoid errors and prevent access by unauthorized persons.

SAP Basis refers to the administration of SAP system that includes activities like installation and configuration, load balancing, and performance of SAP applications running on Java stack and SAP ABAP. This includes the maintenance of different services related to database, operating system, application and web servers in SAP system landscape and stopping and starting the system. Here you can find some useful information about SAP Basis: www.sap-corner.de.


The extended memory size is determined by the values of em/initial_size_MB and em/global_area_MB.
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