Support Packages, Add-ons & Enhancement Packages

What are add-ons, and with which tool are they installed?

How does SAPehpi minimize downtime when installing enhancement packages?

What do support packages deliver, and where and with which tool are they installed?

How do SAP enhancement packages add functionality, and what is the two-step model?

In which SAPehpi roadmap phases do the shadow-system build and the kernel exchange occur?

Where and when are installed business functions switched on?

What are the steps to install support packages, and what must be true of the queue?

In modern SAP systems, which single tool replaced SAPehpi for updates, EhP installation, and upgrades?

When does a modification adjustment occur during support package import, and which transactions handle it?