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Product and Topic Expert
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last updated: 2024-02-24

The article explains the SAP GUI – TCODE (Transaction Code): SM51 usage in details.


Transaction code SM51 is to display list of active application servers. Application servers used for load balancing.

Video explanation by SAP Learning Hub
SAP Instance Monitoring (SM51)

SM51 - Tools -> Administration -> Monitor -> System Monitoring -> Servers


Screen: Application Server (AS) Instances of SAP System
Initial screen where the application servers listed.

Single Application Server:


Multiple Application Servers:


Use case
The menu is important in case of investigation when we need to switch between the application servers to see the actual traces on specific application server. The selected application server appears on the bottom of the SAP GUI window to inform the user.


Other articles in this series
3428763 - Bookmark of frequently used SAP GUI transaction codes for SAP HANA related investigations

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Release Information

Release Date Description
2024.02.07First/initial Release of the SAP Blog Post documentation (Product Information).
2024.02.24Insert SAP Learning Hub video. - SAP Instance Monitoring (SM51)