SAP AS ABAP Administration · Installation & Post-Installation

A SAPinst run dies partway through the processing phase. Why is re-launching and re-entering all your parameters the wrong move, and what makes a clean resume possible?

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More in Installation & Post-Installation

Post-7.2 docs call the main instance the 'primary application server' while older ones say 'central instance.' What actually is an SAP instance, and which service is allowed on only one instance in the whole system?

A SAPinst run fails and you need the cause fast. Among its many XML and log files, which one do you open first, and what's the more verbose companion when it isn't enough?

On Windows, a colleague proposes installing the SAP database or application server on a domain controller to reuse an existing box. Why must you refuse?

A trainer wants a system 'with realistic sample company data' to practice end-to-end business processes. Is that a flag you switch on in a sandbox, or a distinct SAP system?

Your HA design adds a failover cluster but the system still takes a monthly multi-hour patch outage. Which half of high availability have you actually addressed?

First logons after a fresh install or upgrade are painfully slow as each program seems to compile on demand. Which post-install job fixes this, and what's the cost of skipping it?

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