The x_dbmenv.dat file defines the characteristics of the various DBMS (Database Management Systems) that your Visual LANSA applications may use.
This file is shipped with your installation media and installed automatically. To view this file in text format, from your LANSA System's desktop folder, select Settings and Administration, Utilities and then Databases.
These X_DBMENV.DAT file parameters: LOCK_TYPE, LOCK_TIMEOUT,CMD_LOCK_TIMEOUT and DBMS_RETCODE_ROW_LOCKED are described in detail in Lock Timeout.
The contents of this file should only ever be changed if you receive instructions, in writing, from your LANSA product vendor.