Profiles & Operation Modes

When an operation mode switches, what actually happens to the running work processes?

What's the difference between the default profile and an instance profile?

How does parameter evaluation order differ for static vs dynamic parameters?

In RZ10 extended maintenance, what does double-clicking a parameter show?

How can you change a dynamic parameter without a stop/start cycle?

A parameter changed online in RZ11 reverts after the next restart — why, and how do you make it permanent?

What must stay constant across operation modes, or no switch can occur?

Where are the normal and exception timetables maintained, and what's the ordering rule?

What is a restricted (standby) work process, what type is it always, and which parameter sets its number?

Who decides when restricted and dynamic work processes are created, and what does SAP recommend about standby DIA processes?

Where are SAP's 2,000+ parameters actually stored, and what are they called as a result?

What does Transaction RZ11 let you do that RZ10 doesn't?

What's the format of a parameter name, and what mistake breaks it?

The rdisp/wp_no_* parameters only set work-process counts at startup — how do you vary the mix during the day (e.g. more batch at night)?

What happened to start profiles, and what should you do with leftover START_ files?

What two timetables schedule operation modes?

What are the four steps to set up operation modes in RZ04?

If a parameter is set in both the default and instance profile, which wins — and which parameters should only go in the default?

Where do profiles live, and how are the default and instance profiles named?

What instance-type identifiers appear in a profile name?

What does the instance type DVEBMGS in a profile name stand for, and why is it a relic?

Why can't you maintain parameters in RZ10 right after installation, and what one-time step fixes it?

What are RZ10's three maintenance modes?

What's the two-step save in RZ10, and when does a change actually take effect?

What do RZ10's 'Existing formula was overwritten' and 'Unknown parameter' warnings each mean?

After changing memory parameters, what OS tool catches errors that could stop the instance from starting?

Which report lists all parameter values in a searchable, exportable table?

In an operation mode, what is the BTC A value, and where else can it be configured?

Before generating the instance definition in RZ04, what must already have been done?

How do you switch an operation mode immediately instead of waiting for the timetable?

What are dynamically started work processes for, and what's their state in S/4HANA?

How is the maximum number of dynamically startable work processes determined?