SAP S/4HANA Administration · Load Balancing & RFC Server Groups

You're creating an RFC server group assignment in RZ12 on a fresh system. The dialog asks about applying quotas — what's the easy-to-skip answer, and what two groups will you already see?

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More in Load Balancing & RFC Server Groups

You changed a logon group and want to confirm the new distribution immediately, but SMLG still shows the old picture. Why, and what do you do?

A colleague says configuring SAP GUI to a logon group means the GUI tests the instances and connects to the least-loaded one. What is wrong with that, and why does the correction matter for maintenance?

Parallel-processing batch jobs are overwhelming online dialog users, but interactive logons are still spread evenly. Do you tune SMLG or RZ12, and why that one?

Two instances in a logon group have nearly identical user counts but one has much worse dialog response time. Under the B (best performance) method, which gets new logons, and is that obvious from the defaults?

A developer assumes async RFC mass-parallel jobs run in background work processes so they can't hurt online users. Why is that assumption dangerous, and what protects the users?

FavTyp offers B, R, and W for how the message server picks a logon group's favorite instance. Which is recommended and why would picking R or W bite you?

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