Microsoft Windows: Installing/Upgrading the Server in the Background 
You can install or upgrade the database software (server and client) on Microsoft Windows operating systems
in the background with the installation file SDBINST.Conventions
Variables, SDBINST OptionsPrerequisites
Procedure
SAP DB OLTP database instance type
APO LiveCache for the
liveCache database instance type (for the SAP APO System)
The installation program itself decides whether it is dealing with a new installation or an upgrade.
Result
The software packages are installed and registered. You can check the result of your installation using the log (
Logging).Next Step
Stop and restart your Microsoft Windows system, so that all changes take effect.