How to check when the last execution of a transaction took place

[SAPSupport]

There is a need to know how to find the last execution of a specific transaction code in the system.

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[SAPSupport · Accepted solution]

To check the last use of a transaction code, you can use the transaction STAT/STAD.

As for checking each transaction start (date, time, user, and other details) including failed/locked transactions in addition to successful attempts, then the best way would be to use the Security Audit Log (SAL) in transaction SM20. This would need to be configured in SM19 first before it can start recording such events. This is detailed further in SAP KBA 0003352573.

There would also be more information on the usage (e.g. amount of time used) in transaction ST03/ST03n.