> id -a
uid=56088(appadm) gid=50120(dba) groups=50120(dba)

> sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Mon Jun 4 09:26:23 2012

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

ERROR:
ORA-12545: Connect failed because target host or object does not exist


Enter user-name: ^C

> env | grep -i TWO_TASKS

> uname -a
SunOS deskp05i 5.10 Generic_139555-08 sun4v sparc SUNW,Sun-Blade-T6320

> env | grep -i oracle
PATH=/opt/appadm/oracle/bin:/opt/appadm/orbix/bin:/usr/bin/bin:/usr/bin/bin:/usr/openwin/bin:/bin:/usr/sbin:/usr/dt/bin:/usr/ccs/bin:/opt/appadm/appl/bin:/usr/local/bin:.
LD_LIBRARY_PATH=/opt/appadm/oracle/lib32::/opt/appadm/orbix/lib:/usr/openwin/lib
ORACLE_SID=XXXX
ORACLE_HOME=/opt/appadm/oracle

> env | sort
ARCH=sparc
DATAREP_LOG=/opt/appadm/appl/appadm.version/log/DATAREP
DBN_LOG=/opt/appadm/appl/appadm.version/log/DATAREP
DISPLAY=10:0.0
EDITOR=vi
EL_ARCH=sparc
APP_ADMIN=appadm
APP_CSHRC_EXECUTED=1
APP_HOME=/opt/appadm
APP_OWNER=appadm
EXINIT=set ic eb showmode
EXIT_BIN=/opt/appadm/appl/appadm.version/exits/bin
GROUP=dba
HOME=/opt/appadm
HOST=deskp05i
HOSTTYPE=sun4
HZ=
INSTALL_PARAMS=/opt/appadm/appl/appadm.version/defaults/install_defaults
IONA_ROOT=/opt/appadm/orbix
IT_CONFIG_PATH=/opt/appadm/orbix/config
IT_IDLGEN_CONFIG_FILE=/opt/appadm/orbix/config/idlgen.cfg
JAVAHOME=/usr/bin
JAVA_P_FLAG=/p
JREHOME=/usr/bin
LC_TYPE=iso_8859_1
LD_LIBRARY_PATH=/opt/appadm/oracle/lib32::/opt/appadm/orbix/lib:/usr/openwin/lib
LIBPATH1=/opt/appadm/appl/appadm.version/bin:/opt/appadm/appl/appadm.version/exits/bin:/lib:/usr/lib
LIBPATH=/opt/appadm/appl/appadm.version/bin:/opt/appadm/appl/appadm.version/exits/bin:/lib:/usr/lib
LOGNAME=appadm
MACHTYPE=sparc
MAIL=/var/mail/appadm
MANPATH=/usr/man:/usr/local/man
MAX_DB_PROC=100
OPENWINHOME=/usr/openwin
ORACLE_HOME=/opt/appadm/oracle
ORACLE_SID=XXXX
ORBIXEVENTS_ROOT=/opt/appadm/orbix
ORBIXWEB_HOME=/opt/appadm/orbix
ORBIX_ROOT=/opt/appadm/orbix
OSTYPE=solaris
OS_LEVEL=5.10
PATH=/opt/appadm/oracle/bin:/opt/appadm/orbix/bin:/usr/bin/bin:/usr/bin/bin:/usr/openwin/bin:/bin:/usr/sbin:/usr/dt/bin:/usr/ccs/bin:/opt/appadm/appl/bin:/usr/local/bin:.
PWD=/opt/appadm
REMOTEHOST=192.168.11.54
SHELL=/usr/bin/tcsh
SHLIB_PATH=/opt/appadm/appl/appadm.version/bin:/opt/appadm/appl/appadm.version/exits/bin
SHLVL=1
TCL_LIBRARY=/opt/appadm/tcl8.3
TERM=xterm
TK_LIBRARY=/opt/appadm/tk8.3
TZ=MET
USER=appadm
USER_PARAMS=/opt/appadm/appl/.definitions.1.0
USE_TCL=0
VENDOR=sun

> cat /opt/appadm/oracle/network/admin/sqlnet.ora
# sqlnet.ora Network Configuration File: /opt/appadm/oracle/network/admin/sqlnet.ora
# Generated by Oracle configuration tools.

NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)

> cat /opt/oracle/product/ora10204/network/admin/sqlnet.ora
AUTOMATIC_IPC           = OFF
#NAMES.DIRECTORY_PATH    = (TNSNAMES, ONAMES, LDAP)
NAMES.DIRECTORY_PATH    = (TNSNAMES)
SQLNET.EXPIRE_TIME      = 15
DISABLE_OOB             = OFF

NAMES.PREFERRED_SERVERS =
  (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = TCP)(HOST = namesrvoral0.internal.domain.net)(PORT = 1281))
    (ADDRESS = (PROTOCOL = TCP)(HOST = namesrvora0.internal.domain.net)(PORT = 1281))
    (ADDRESS = (PROTOCOL = TCP)(HOST = namesrvora1.internal.domain.net)(PORT = 1281))
    (ADDRESS = (PROTOCOL = TCP)(HOST = namesrvora2.internal.domain.net)(PORT = 1281))
    (ADDRESS = (PROTOCOL = TCP)(HOST = namesrvora3.internal.domain.net)(PORT = 1281))
  )