Hitting with ORA-16664 error in standby Database.

Question

DGMGRL> show database kohldbpa_m2_stby
Database - kohldbpa_m2_stby
  Role:            PHYSICAL STANDBY
  Intended State:  APPLY-ON
  Transport Lag:   (unknown)
  Apply Lag:       (unknown)
  Real Time Query: OFF
  Instance(s):
    kohldbpa1 (apply instance)
    kohldbpa2
    kohldbpa3
    kohldbpa4
Database Status:
DGM-17016: failed to retrieve status for database "kohldbpa_m2_stby"
ORA-16664: unable to receive the result from a database
all the archives getting transported and apllying on the DR side...But we are hitting the error in dgmgrl

Answer 1

DGMGRL> show database verbose kohldbpa_m2;
Database - kohldbpa_m2
  Role:            PRIMARY
  Intended State:  TRANSPORT-ON
  Instance(s):
    kohldbpa1
    kohldbpa2
    kohldbpa3
    kohldbpa4
  Properties:
    DGConnectIdentifier             = 'kohldbpa_m2'
    ObserverConnectIdentifier       = ''
    LogXptMode                      = 'ASYNC'
    DelayMins                       = '0'
    Binding                         = 'optional'
    MaxFailure                      = '0'
    MaxConnections                  = '1'
    ReopenSecs                      = '300'
    NetTimeout                      = '30'
    RedoCompression                 = 'DISABLE'
    LogShipping                     = 'ON'
    PreferredApplyInstance          = ''
    ApplyInstanceTimeout            = '0'
    ApplyParallel                   = 'AUTO'
    StandbyFileManagement           = 'MANUAL'
    ArchiveLagTarget                = '0'
    LogArchiveMaxProcesses          = '10'
    LogArchiveMinSucceedDest        = '1'
    DbFileNameConvert               = ''
    LogFileNameConvert              = ''
    FastStartFailoverTarget         = ''
    InconsistentProperties          = '(monitor)'
    InconsistentLogXptProps         = '(monitor)'
    SendQEntries                    = '(monitor)'
    LogXptStatus                    = '(monitor)'
    RecvQEntries                    = '(monitor)'
    SidName(*)
    StaticConnectIdentifier(*)
    StandbyArchiveLocation(*)
    AlternateLocation(*)
    LogArchiveTrace(*)
    LogArchiveFormat(*)
    TopWaitEvents(*)
    (*) - Please check specific instance for the property value
Database Status:
SUCCESS
DGMGRL> show database verbose kohldbpa_m2_stby;
Database - kohldbpa_m2_stby
  Role:            PHYSICAL STANDBY
  Intended State:  APPLY-ON
  Transport Lag:   (unknown)
  Apply Lag:       (unknown)
  Real Time Query: OFF
  Instance(s):
    kohldbpa1 (apply instance)
    kohldbpa2
    kohldbpa3
    kohldbpa4
  Properties:
    DGConnectIdentifier             = 'kohldbpa_m2_stby'
    ObserverConnectIdentifier       = ''
    LogXptMode                      = 'ASYNC'
    DelayMins                       = '0'
    Binding                         = 'optional'
    MaxFailure                      = '0'
    MaxConnections                  = '1'
    ReopenSecs                      = '300'
    NetTimeout                      = '30'
    RedoCompression                 = 'DISABLE'
    LogShipping                     = 'ON'
    PreferredApplyInstance          = ''
    ApplyInstanceTimeout            = '0'
    ApplyParallel                   = 'AUTO'
    StandbyFileManagement           = 'Auto'
    ArchiveLagTarget                = '0'
    LogArchiveMaxProcesses          = '10'
    LogArchiveMinSucceedDest        = '1'
    DbFileNameConvert               = '+DATA/kohldbpa_m2, +DATA/kohldbpa_m2_STBY'
    LogFileNameConvert              = '+DATA/kohldbpa_m2, +DATA/kohldbpa_m2_STBY, +FRA/kohldbpa_m2, +FRA/kohldbpa_m2_STBY'
    FastStartFailoverTarget         = ''
    InconsistentProperties          = '(monitor)'
    InconsistentLogXptProps         = '(monitor)'
    SendQEntries                    = '(monitor)'
    LogXptStatus                    = '(monitor)'
    RecvQEntries                    = '(monitor)'
    SidName(*)
    StaticConnectIdentifier(*)
    StandbyArchiveLocation(*)
    AlternateLocation(*)
    LogArchiveTrace(*)
    LogArchiveFormat(*)
    TopWaitEvents(*)
    (*) - Please check specific instance for the property value
Database Status:
DGM-17016: failed to retrieve status for database "kohldbpa_m2_stby"
ORA-16664: unable to receive the result from a database
DGMGRL>
SQL> col severity for a15
col message for a70
col timestamp for a20
select severity,error_code,to_char(timestamp,'DD-MON-YYYY HH24:MI:SS') "timestamp" , message from v$dataguard_status where dest_id=2;SQL> SQL> SQL> SQL> SQL> SQL>
no rows selected
SQL>
They are in sync...but still i get that error