SAP Technical Architecture guide
Profiles, Tasks & Connectivity
Compare RZ10 and RZ11, static and dynamic parameters, STC01 task lists, ABAP RFC destinations, qRFC queues, and tRFC monitoring.
Parameter value model
RZ11 displays a parameter's documentation, properties and current value; it can switch a dynamic parameter at runtime when authorized. RZ10 maintains and activates profile files so intended values persist. The effective value can come from the kernel default, default profile, instance profile or a runtime change. A runtime switch alone can disappear after restart.
| Tool / parameter | Use | Key distinction |
|---|---|---|
| RZ11 | Inspect metadata/current value; runtime switch where dynamic | Runtime does not automatically mean persistent |
| RZ10 | Maintain and activate default/instance profiles | Static changes require the relevant restart |
| rdisp/TRACE | Controls ABAP work-process trace level | Higher trace creates more detail and overhead |
| login/disable_multi_gui_login | Controls multiple SAP GUI dialog logons | Not the same as RFC multiple-logon control |
| STC01 | Execute/check task lists | Saving/displaying a list does not prove every task completed |
| SM59 type 3 | ABAP RFC destination | Connection test is not authorization/business-function proof |
| SMQ1 / SMQ2 | Outbound / inbound qRFC monitors | Direction is from the local system's perspective |
| SM58 | Transactional RFC monitor | Not the qRFC inbound/outbound queue monitor |
Connectivity troubleshooting order
For RFC, confirm destination type and target in SM59, then test network/connection, remote logon where appropriate, Unicode and authorization separately. For qRFC, use SMQ1 for outbound queues and SMQ2 for inbound queues; inspect queue status, first error and destination before retrying. For tRFC, use SM58.
For initial setup task lists, open STC01, select the approved task list (the PDF shows SAP_BASIS_SETUP_INITIAL_CONFIG), run prechecks, review the selected tasks, execute, and verify every task log.
Active recall
Test yourself
1. A dynamic parameter was changed in RZ11. What must you do if it should survive restart?
Reveal answer
Maintain the approved profile value in RZ10 and activate it.
2. An RFC connection test succeeds. Does that prove the called function is authorized?
Reveal answer
No. Connectivity, authentication and function authorization are separate checks.
3. Which monitor shows a stuck inbound qRFC queue?
Reveal answer
SMQ2.
Practice this module
This guide maps to 6 questions in the SAP Technical Architecture Top 40 bank.
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