DB connect failed return code 000256 --- disp_work ended

Question

Hi Friends,
I have installed ides ECC 6 on oracle 10g on windows 2003 server.Now I am unable to start SAP console. While starting the disp+work getting ended. I found form the log that the DB connect failed return code 000256 in dev_disp.
snapshot is given below for the reference. Please advice with the resolution.Appreciate for an early response.
trc file: "dev_w0", trc level: 1, release: "700"
ACTIVE TRACE LEVEL           1
ACTIVE TRACE COMPONENTS      all, MJ
B 
B Mon May 18 17:14:23 2009
B  create_con (con_name=R/3)
B  Loading DB library 'D:\usr\sap\ECC\DVEBMGS04\exe\dboraslib.dll' ...
B  Library 'D:\usr\sap\ECC\DVEBMGS04\exe\dboraslib.dll' loaded
B  Version of 'D:\usr\sap\ECC\DVEBMGS04\exe\dboraslib.dll' is "700.08", patchlevel (0.46)
B  New connection 0 created
M sysno      04
M sid        ECC
M systemid   560 (PC with Windows NT)
M relno      7000
M patchlevel 0
M patchno    52
M intno      20050900
M make:      multithreaded, Unicode, optimized
M pid        3096
M
M  kernel runs with dp version 210000(ext=109000) (@(#) DPLIB-INT-VERSION-210000-UC)
M  length of sys_adm_ext is 572 bytes
M  ***LOG Q0Q=> tskh_init, WPStart (Workproc 0 3096) [dpxxdisp.c   1293]
I  MtxInit: 30000 0 0
M 
M Mon May 18 17:14:24 2009
M  DpSysAdmExtCreate: ABAP is active
M  DpSysAdmExtCreate: VMC (JAVA VM in WP) is not active
M  DpShMCreate: sizeof(wp_adm)          18304     (1408)
M  DpShMCreate: sizeof(tm_adm)          3954072     (19672)
M  DpShMCreate: sizeof(wp_ca_adm)          24000     (80)
M  DpShMCreate: sizeof(appc_ca_adm)     8000     (80)
M  DpCommTableSize: max/headSize/ftSize/tableSize=500/8/528056/528064
M  DpShMCreate: sizeof(comm_adm)          528064     (1048)
M  DpFileTableSize: max/headSize/ftSize/tableSize=0/0/0/0
M  DpShMCreate: sizeof(file_adm)          0     (72)
M  DpShMCreate: sizeof(vmc_adm)          0     (1452)
M  DpShMCreate: sizeof(wall_adm)          (38456/34360/64/184)
M  DpShMCreate: sizeof(gw_adm)     48
M  DpShMCreate: SHM_DP_ADM_KEY          (addr: 06510040, size: 4613144)
M  DpShMCreate: allocated sys_adm at 06510040
M  DpShMCreate: allocated wp_adm at 06511E28
M  DpShMCreate: allocated tm_adm_list at 065165A8
M  DpShMCreate: allocated tm_adm at 065165D8
M  DpShMCreate: allocated wp_ca_adm at 068DBB70
M  DpShMCreate: allocated appc_ca_adm at 068E1930
M  DpShMCreate: allocated comm_adm at 068E3870
M  DpShMCreate: system runs without file table
M  DpShMCreate: allocated vmc_adm_list at 06964730
M  DpShMCreate: allocated gw_adm at 06964770
M  DpShMCreate: system runs without vmc_adm
M  DpShMCreate: allocated ca_info at 069647A0
M  DpShMCreate: allocated wall_adm at 069647A8
X  EmInit: MmSetImplementation( 2 ).
X  MM diagnostic options set: 0
X  <ES> client 0 initializing ....
X  Using implementation flat
M  <EsNT> Memory Reset disabled as NT default
X  ES initialized.
M  ThInit: running on host ecc6
M 
M Mon May 18 17:14:26 2009
M  calling db_connect ...
C  Prepending D:\usr\sap\ECC\DVEBMGS04\exe to Path.
C  Client NLS settings: AMERICAN_AMERICA.UTF8
C  Logon as OPS$-user to get SAPSR3's password
C  Connecting as /@C11 on connection 0 (nls_hdl 0) ... (dbsl 700 240106)
C  Nls CharacterSet                 NationalCharSet              C      EnvHp      ErrHp ErrHpBatch
C    0 UTF8                                                      1   06B2C998   0597F194   0597EA1C
C  Attaching to DB Server C11 (con_hdl=0,svchp=0597E968,svrhp=06B41714)
C  Starting user session (con_hdl=0,svchp=0597E968,srvhp=06B41714,usrhp=06B8CD88)
C  Now '/@C11' is connected (con_hdl 0, nls_hdl 0).
C  Got SAPSR3's password from OPS$-user
C  Disconnecting from connection 0 ...
C  Closing user session (con_hdl=0,svchp=0597E968,usrhp=06B8CD88)
C  Now I'm disconnected from ORACLE
C  Connecting as SAPSR3/<pwd>@C11 on connection 0 (nls_hdl 0) ... (dbsl 700 240106)
C  Nls CharacterSet                 NationalCharSet              C      EnvHp      ErrHp ErrHpBatch
C    0 UTF8                                                      1   06B2C998   0597F194   0597EA1C
C  Starting user session (con_hdl=0,svchp=0597E968,srvhp=06B41714,usrhp=06B8CD88)
C  *** ERROR => OCI-call 'OCISessionBegin' failed: rc = 28000
[dboci.c      4345]
C  Detaching from DB Server (con_hdl=0,svchp=0597E968,srvhp=06B41714)
C  *** ERROR => CONNECT failed with sql error '28000'
[dbsloci.c    10704]
B  ***LOG BY2=> sql error 28000  performing CON [dbsh#2 @ 1204] [dbsh    1204 ]
B  ***LOG BY0=> ORA-28000: the account is locked [dbsh#2 @ 1204] [dbsh    1204 ]
B  ***LOG BY2=> sql error 28000  performing CON [dblink#3 @ 431] [dblink  0431 ]
B  ***LOG BY0=> ORA-28000: the account is locked [dblink#3 @ 431] [dblink  0431 ]
M  ***LOG R19=> ThInit, db_connect ( DB-Connect 000256) [thxxhead.c   1403]
M  in_ThErrHandle: 1
M  *** ERROR => ThInit: db_connect (step 1, th_errno 13, action 3, level 1) [thxxhead.c   10019]
M 
M  Info for wp 0
M 
M    stat = 4
M    reqtype = 1
M    act_reqtype = -1
M    rq_info = 0
M    tid = -1
M    mode = 255
M    len = -1
M    rq_id = 65535
M    rq_source = 255
M    last_tid = 0
M    last_mode = 0
M    semaphore = 0
M    act_cs_count = 0
M    control_flag = 0
M    int_checked_resource(RFC) = 0
M    ext_checked_resource(RFC) = 0
M    int_checked_resource(HTTP) = 0
M    ext_checked_resource(HTTP) = 0
M    report = >                                        <
M    action = 0
M    tab_name = >                              <
M    vm = V-1
M 
M  *****************************************************************************
M  *
M  *  LOCATION    SAP-Server ecc6_ECC_04 on host ecc6 (wp 0)
M  *  ERROR       ThInit: db_connect
M  *
M  *  TIME        Mon May 18 17:14:26 2009
M  *  RELEASE     700
M  *  COMPONENT   Taskhandler
M  *  VERSION     1
M  *  RC          13
M  *  MODULE      thxxhead.c
M  *  LINE        10204
M  *  COUNTER     1
M  *
M  *****************************************************************************
M 
M  PfStatDisconnect: disconnect statistics
M  Entering TH_CALLHOOKS
M  ThCallHooks: call hook >ThrSaveSPAFields< for event BEFORE_DUMP
M  *** ERROR => ThrSaveSPAFields: no valid thr_wpadm [thxxrun1.c   720]
M  *** ERROR => ThCallHooks: event handler ThrSaveSPAFields for event BEFORE_DUMP failed [thxxtool3.c  260]
M  Entering ThSetStatError
M  ThIErrHandle: do not call ThrCoreInfo (no_core_info=0, in_dynp_env=0)
M  Entering ThReadDetachMode
M  call ThrShutDown (1)...
M  ***LOG Q02=> wp_halt, WPStop (Workproc 0 3096) [dpnttool.c   327]
Regard's
Shashi

Answer 1

> C  *** ERROR => CONNECT failed with sql error '28000'
>  [dbsloci.c    10704]
> B  ***LOG BY2=> sql error 28000  performing CON [dbsh#2 @ 1204] [dbsh    1204 ]
> B  ***LOG BY0=> ORA-28000: the account is locked [dbsh#2 @ 1204] [dbsh    1204 ]
> B  ***LOG BY2=> sql error 28000  performing CON [dblink#3 @ 431] [dblink  0431 ]
> B  ***LOG BY0=> ORA-28000: the account is locked [dblink#3 @ 431] [dblink  0431 ]
> M  ***LOG R19=> ThInit, db_connect ( DB-Connect 000256) [thxxhead.c   1403]
Read Note  951167       ORA-28000: the account is locked
Markus