2014年12月23日 · Managing lock entries lets you monitor your system with regards to lock logic. You can determine which locks are being used currently. Locks that have had the backup flag set are highlighted in color. You can detect and correct …

Welcome to our tutorial on SAP transaction SM12, a crucial transaction code used in SAP for managing locks and lock entries. In this comprehensive tutorial, we will guide you through each step of using SM12, providing detailed instructions and examples.

SAP Transaction SM12 (Display and Delete Locks) is a crucial transaction code used in SAP to analyze and release locks in the system. Locks are used to prevent multiple users from making conflicting changes to the same data simultaneously.

SM12 SAP transaction is used to list lock entries in a SAP system and to find who is locking the data by enabling filtering on all system locks. Especially when an SAP user calls a transaction in change mode, sometimes a message indicating that …

Transaction SM12 show old locks at the system (sometimes from a year ago). Enqueue backup file is used. (KBA not valid for environments with Enqueue Replication Server configured.) Even when the lock is manually removed, locks appears again when SAP system or ASCS is restarted. Example of Figure 1: There is a lock from many years ago. Read more...

In SAP lock management (transaction SM12), you cannot see which data records are locked however. To do this, use the maintenance transaction for lock settings in planning (transaction RSPLSE).

To access lock management from the SAP menu choose Administration System Administration Monitor Lock Entries, or enter transaction SM12.

Lock entries are usually set and deleted automatically when user programs access a data object & release it again. The lock mechanism is closely related to the Update Mechanism. 1. You can use SM12 to check and delete lock entries. 2. In SM12, check any lock entry older > 2 days.

2013年6月19日 · Lock Entries Management: SM12 As nature of SAP system behavior, whenever a user performs an update on any table, for that period of time a lock on that particular field of that table will be created to prevent any other user can update that table to obtain data consistency.

To monitor the lock entries go to transaction code SM12. 2. Select the client and user name or leave it blank to see all the lock entries. 3. You can see detailed information for the lock argument. 4. Choose one lock entry you want to delete. Be careful before deleting lock entry, make sure it’s not used by any processes.