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Procedure documentationSelecting and Displaying Lock Entries Locate this document in the navigation structure


You can select lock entries for display by

  • The table in which rows are locked

  • The argument of the lock entry

  • Client

  • User who set the lock

The client and your user are added automatically on the initial screen. If you want to display the locks of a different user or client, you must overwrite the relevant field. f you leave the field blank or enter a *, the data is selected according to all possible entries.


Information in the lock entry display includes the following:

Displaying Lock Entries




Client in which a lock entry was created

User name (UNAME)

User who set the lock (that is, the user who executed the ABAP program that created the lock).


Start time of the LUW (Logical Unit of Work), in which the lock entry was created.

Caution Caution

This is not the time the lock was set. The LUW may have occurred much earlier.

End of the caution.

Lock Mode

Type of lock object

Lock types are: S (shared lock), E (exclusive lock), X (exclusive non-cumulative lock), O (optimistic lock)

More information: SAP Lock Concept


The table in which rows are locked

Lock Argument

Argument (key field) of lock entry; corresponds to the entries in the Lock Table.

Cum.Counter Dialog

Cumulation counter of the lock entry for the dialog owner

More information:

Cumulating Locks

Lock Owners

Cum.Counter Update

Cumulation counter of the lock entry for the update owner

More information:

Cumulating Locks

Lock Owners

Backup Flag

Locks highlighted in color are those that have already been inherited by the update task, and for which the backup flag is set.. These locks are also rewritten to the lock table when the enqueue server is restarted.

Locks not highlighted still belong to the dialog owner. The backup flag is not set.


By choosing   Edit   Sort by  , you can sort the display by user, time, table, or host system.

Detail Informationen

By double-clicking a lock entry, you can display detailed information, including the host name and number of the SAP System in which the lock was generated.