SAP AS ABAP Administration · Installation & Post-Installation

A junior admin insists each default user still ships with its own well-known fixed password from a table. What changed as of NetWeaver 7.0, and why doesn't that make the system safer by default?

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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?

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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?

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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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