Summary
• The SAP upgrade is performed using the Upgrade GUI program.
• Technical downtime includes time required for performing the technical upgrade.
• Business downtime includes the technical downtime plus the additional downtime needed for performing post technical upgrade steps. It is also the time the application is not available to the end business user.
• The goal of effective upgrade projects should be to reduce business downtime.
• A system-switch upgrade creates a parallel shadow instance in the same database.
• The shadow instance is for the target SAP release.
• The resource-minimized strategy consumes fewer system resources but has a longer downtime.
• The downtime-minimized strategy consumes more system resources but has a shorter ...
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