Mass update the User Parameter Value in sap abap

When you need to mass maintain the User parameters to another value. This program will come in handy as you do not need to maintain the parameters for each user manually.

*
* Mass Update User parameters collectively.
*
* Written by : SAP Basis, ABAP Programming and Other IMG Stuff
REPORT ZUSERPARAM.

PARAMETERS: P_PARID(3), "Parameter ID
P_PARVA(18),            "Parameter Value
P_USER(18).             "User Name

TABLES: USR02, USR05.

DATA BEGIN OF IUSR02 OCCURS 5.
      INCLUDE STRUCTURE USR02.
DATA END OF IUSR02.

ULINE.
WRITE: /, 'Report Selection criteria:'.
WRITE: /10 'Parameter ID:', P_PARID.
WRITE: /10 ' Parm Value:', P_PARVA.
WRITE: /10 'User Name:', P_USER.
ULINE.

SELECT * FROM USR02 INTO TABLE IUSR02 WHERE BNAME = P_USER.

LOOP AT IUSR02. "Loop thru all users
  SELECT SINGLE * FROM USR05
    WHERE BNAME = IUSR02-BNAME
    AND PARID = P_PARID.

IF SY-SUBRC = 0.
  UPDATE USR05
  SET PARVA = P_PARVA
    WHERE BNAME = IUSR02-BNAME
    AND PARID = P_PARID.

  IF SY-SUBRC = 0.
     WRITE: /5 USR05-BNAME, USR05-PARID, 'Old =', USR05-PARVA,
               'New =', P_PARVA.
  ELSE.
     WRITE: /5 'Update rc=', SY-SUBRC, USR05-BNAME.
     EXIT.
  ENDIF.
ELSE.
  CLEAR USR05.
  USR05-BNAME = IUSR02-BNAME.
  USR05-PARID = P_PARID.
  USR05-PARVA = P_PARVA.
  INSERT USR05.
  IF SY-SUBRC = 0.
     WRITE: /5 'Insert ok:', USR05-BNAME, P_PARID, P_PARVA.
  ELSE.
     WRITE: /5 'Bad Insert, rc=', SY-SUBRC, USR05-BNAME.
     EXIT.
  ENDIF.
ENDIF.
ENDLOOP.