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SAP installation · LessonBy , SAP Solution Architect · Published · SAP S/4HANA 2023 · all levels

Prerequisites

Before installing any SAP system you must satisfy a set of prerequisites, sizing, supported platforms, operating system, database, and preparation steps. Skipping the prerequisite checks is the most common cause of failed or unstable SAP installations.

Quick answer

Most install failures trace back to an unmet prerequisite, wrong OS patch, unsupported combination, missing parameter.

Key takeaways
  • SAP installation begins with the SAP Quick Sizer and the Product Availability Matrix (PAM): you size CPU, memory and disk for your…
  • Prepare OS-level users and groups, mount the required file systems, set kernel/ulimit parameters, and download media via the…
  • Certified hardware / VM sized per the Quick Sizer.
  • Watch out: Skipping the PAM check, running an unsupported combination.

Plan and size first

SAP installation begins with the SAP Quick Sizer and the Product Availability Matrix (PAM): you size CPU, memory and disk for your expected users and data, and confirm that your chosen OS, database and SAP release combination is actually supported. HANA in particular has strict certified-hardware requirements.

The prerequisite checklist

  • Certified hardware / VM sized per the Quick Sizer.
  • A supported operating system at the required patch level.
  • A supported database (HANA for S/4HANA) properly prepared.
  • Required OS users, file systems and kernel parameters set.
  • SAP installation media and the correct Software Provisioning Manager (SWPM).

Preparation steps

Prepare OS-level users and groups, mount the required file systems, set kernel/ulimit parameters, and download media via the Maintenance Planner so you have the right, compatible components. SWPM (Software Provisioning Manager) then drives the actual install.

Why it matters

Most install failures trace back to an unmet prerequisite, wrong OS patch, unsupported combination, missing parameter. Careful prerequisite validation saves days of troubleshooting later.

Common pitfalls

  • Skipping the PAM check, running an unsupported combination.
  • Under-sizing, especially HANA memory.
  • Missing OS/kernel parameters causing install failures.

Practice challenge

+0 XPStreak ×0
Question 1 of 3
Which statement is true of Prerequisites?

Frequently asked questions

What does the term Prerequisites refer to in SAP?
Before installing any SAP system you must satisfy a set of prerequisites, sizing, supported platforms, operating system, database, and preparation steps. Skipping the prerequisite checks is the most common cause of failed or unstable SAP installations.
What is worth checking when troubleshooting Prerequisites?
Most install failures trace back to an unmet prerequisite, wrong OS patch, unsupported combination, missing parameter.
What is the practical takeaway on Prerequisites?
SAP installation begins with the SAP Quick Sizer and the Product Availability Matrix (PAM): you size CPU, memory and disk for your expected users and data, and confirm that your chosen OS, database and SAP release combination is actually supported.
What tends to go wrong with Prerequisites?
Skipping the PAM check, running an unsupported combination. Under-sizing, especially HANA memory. Missing OS/kernel parameters causing install failures.
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