TNS: could not resolve service name

ERROR: ORA-12154: TNS: could not resolve service name
does any1 know what this means...and how to overcome this problem
username : scott
passwd: tiger
host string: myora
i have personal oracle8i in d:\oracle
and d2k in d:\d2k
it connects with the SQLPlus
however with d2k when i try to connect it gives the above error
message.
does any 1 know a solution to the problem...

Hello,
First of all, If you are using PO8i and D2k as a front end
on single machine,no need of specifying Connect String. You can
connect using scott,tiger. If still it is giving problem,try
this one.
Open TNSNAMES.ORA file from folder NET80/Admin in your PC
using NOTEPAD. Look there entry for myora. If it is there,Check
SID,IPAddress or remove word "World" from there. See E.g
ora816 = -- Your connect string
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS =
(COMMUNITY = tcp.world)
(PROTOCOL = TCP)
(Host = 10.0.0.3) -- IP address
(Port = 1521)
(CONNECT_DATA = (SID = ora816) -- Database SID
Hope it will work...
Adi

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ORA-12154: TNS:could not resolve service name

Hi Guru's
i applied Maintainacepack 3480000 patch on my application for upgrading 11.5.7 to11.5.10.2, after completion of patch, I run the autoconfig it has given bellow error, please anybody can help me, i need to finish my task immediately, please provide me the solution.
autoConfig Profile Phase
Running Profile Process 1 of 1 for CLN_TOP
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/sgmtemp/prodcomn/admin/install/MSBEP004_dcpsr006osm/clnadmprf.sh
script returned:
clnadmprf.sh started at Sun Feb 17 06:24:13 WST 2008
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ORACLE_HOME : /sgmtemp/prodora/8.0.6
ORACLE_SID :
TWO_TASK : msbep004
PATH : /sgmtemp/prodora/iAS/Apache/perl/bin:/sgmtemp/prodora/8.0.6/bin:/sgmtemp/prodappl/fnd/11.5.0/bin:/sgmtemp/prodappl/ad/11.5.0/bin:/sgmtemp/prodcomn/util/jre/1.1.8/bin:/sgmtemp/prodcomn/util/unzip/unzip::/sgmtemp/prodora/8.0.6/bin:/usr/bin:/usr/ccs/bin:/usr/sbin:/sgmtemp/prodora/iAS/Apache/perl/bin:/sgmtemp/prodora/iAS/Apache/perl/bin:/sgmtemp/prodora/8.0.6/bin:/sgmtemp/prodcomn/util/jre/1.1.8/bin:/sgmtemp/prodcomn/util/unzip/unzip:/sgmtemp/prodora/8.0.6/bin:/usr/bin:/usr/ccs/bin:/usr/sbin:/usr/java14/jre/bin:/usr/java14/bin:/usr/bin:/etc:/usr/sbin:/usr/ucb:/sgmtemp/prodappl/bin:/usr/bin/X11:/sbin:/usr/lpp/pd/bin:.
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SQL*Plus: Release 8.0.6.0.0 - Production on Sun Feb 17 06:24:13 2008
(c) Copyright 1999 Oracle Corporation. All rights reserved.
ERROR:
ORA-12154: TNS:could not resolve service name
clnadmprf.sh exiting with status 1
ERRORCODE = 1 ERRORCODE_END
.end std out.
thanks

Please Apply "Patch 5985992 - TXK AUTOCONFIG ROLLUP PATCH Q (JUL/AUG 2007)", run AutoConfig, and check then.

IFS 9 : TNS:could not resolve service name

Hello,
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Looks like your TNSnames is not properly configured .. Did you
try to do a sqlplus from the command prompt to see if you can
connect to SQLPlus ??

Fundamental Problem: ORA-12154: TNS:could not resolve service name

Hello,
I am faced with a fundamental problem:
ORA-12154: TNS:could not resolve service name
I can say with a high level of confidence that the TNSNAMES.ora configuration file is not the problem. My peer is using the exact same file with no issues. I am using the TOAD database utility to connect to the db host. Also, I have ORACLE_HOME defined and the file is located in /network/ADMIN.
Any ideas?

Hello,
Make sure your toad looking into right tnsnames.ora; also try this from command line after adding following entry to your tnsnames.ora.
sqlplus username/password@ECDEV
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(DESCRIPTION =
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        (PORT = 1521)
    (SDU = 8192)
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)Edited by: OrionNet on Dec 23, 2008 2:22 PM

MSDAORA,IIS,ORA-12154: TNS:could not resolve service name

Hi All,
I have a Web Service that coded in VS2008, using ORACLE DB(9i).
At a time the application working fine and I can access and do everything with database.
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i tried that;
If theire is multiple copies of OCIW32.dll you have to make sure that there is only one copy of OCIW32.dll which should be in /Bin folder of the oracle home folder.
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Hi,
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What do you mean by "When i reset iis it start to work fine for a while.Then same problem occurs again."? The same problem meaning you get 12154 when you take the database down? Or you get 12154 without a db restart?
Are you using TNSNames.ora for client naming resolution, or something else (ldap, for example)?
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ORA -ERR :Tns could not resolve service name

Hi,
I am tring to get into sql plus. As the oracle is pre installed and as donot know the system password, I am tring to login as Scott/tiger and host string as 'ORCL'.
I am getting the following error.
ORA-12154 :
Tns could not resolve service name
Is there any way to find the Host string name through any of the installation files.
Please suggest.
Badrinath

Hi,
Open the tns file ( available at oracle_home/network/admin/tnsnames.ora). I do not know what your oracle_home name is. Usually it is oracle/ora81/ under c: or D: or where ever you installed Oracle. Go thru the file. You will find the service name. Use that while logging. If you want to login to ORCL, it has to be there in tns files name otherwise Oracle cvan not resolve the name.
Good luck
Krishna Priya
null

ORA-12154: TNS:Could not resolve service name. (WIS 10901).

HI Gurus, we have the following scenario...
Weu2019ve installed Busines Objects EDGE 3.1 SP3.
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Edited by: Alberto Magaña Chávez on Jul 9, 2011 7:44 PM

Make sure there are no syntax errors in the TNSNAMES.ORA file, look for unmatched parentheses. Also check the SQLNET.ORA file.
Is the environment is clustered, if so then make sure you have the ODBC connection in all the servers.

URGENT :: ORA-12154: TNS:could not resolve service name

Hi All,
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java.lang.NullPointerException
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The checked the oracle listener status. It was UP.
Can anyone help me in this issue.
Thanks,
Rag

Hello,
Make sure that the service which you have specified in jdbc for making connection with oracle, exists in TNSNAMES.ORA file. You will find this file at different locations in 8i and above. So, better search for it. And add you service name in it. Example services is given in this file itself. So, take help from them.

ORA-12154 TNS could not resolve service name error

Hi
I'm having trouble connecting to database throug sql*plus.I'm able to connect through TOAD but getting 'ORA-12154 TNS could not resolve service name error' when trying to login through sql*plus using same credentials .
I tried running sqlplus through command prompt,but when i enter the user-name i'm getting ORA-12203:TNS:unable to connect to destination.
Can someone help me with this error.
Thanks.

It would probably give you an idea where to start looking. You need to make sure that you have the correct .ora files needed for establishing connections. I don't know if your service desk just does the installation but no setup or if they also do the setup configuration. You can also try doing the setup on your own to check. You can use net easy config.

Oracle 9i "TNS:could not resolve service name" on 64-bit OS

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Does anyone have an idea why I am getting this error?
[tnsnames.ora]
TRADMIN.ASCINDIA.COM =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.253.57.44)(PORT = 1521))
(CONNECT_DATA =
(SID = TRADMIN)
(SERVER = DEDICATED)
[sqlnet.ora]
# SQLNET.ORA Network Configuration File: D:\Oracle\Ora92\network\admin\sqlnet.ora
# Generated by Oracle configuration tools.
NAMES.DEFAULT_DOMAIN = xxx.yyy.zzz
SQLNET.AUTHENTICATION_SERVICES= (NONE)
NAMES.DIRECTORY_PATH= (TNSNAMES, ONAMES, HOSTNAME)
[tnsping on 32-bit OS]
Used parameter files:
D:\Oracle\Ora92\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.253.57.44)(PORT = 1521))) (CONNECT_DATA = (SID = TRADMIN) (SERVER = DEDICATED)))
OK (640 msec)
[tnsping from 64-bit OS]
Used parameter files:
D:\oracle\ora92\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.253.57.44)(PORT = 1521))) (CONNECT_DATA = (SID = TRADMIN) (SERVER = DEDICATED)))
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Hi, paste in this post your tnsnames.ora and sqlnet.ora files and give us a example tnsping for test your alias database.
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Regards.

CONCSUB failed due to ORA-12154: TNS:could not resolve service name

Hiall,
While bringing up concurrent managers getting the below error.
Cause: CONCSUB failed due to ORA-12154: TNS:could not resolve service name
I just cloned the instance.
urgent help is appreciated as I am missing the dead line to complete clone.
Regards,
Siva

Pleas post OS and EBS version
Please check the listener is up and running on DB tier.
TROUBLESHOOTING GUIDE: ORA-12154 & TNS-12154 TNS:could not resolve service name [ID 114085.1
Edited by: 3Amigos on Nov 21, 2010 9:16 AM

ToadFree-ORA-12154: TNS:Could not resolve service name

Hello forum,when I install my oracle9.2.0.1.0 last week, I connected to it with taodFree succesfully, but now when try to connect by using taod the same user/password I get the following message.
ORA-12154: TNS:Could not resolve service name
But I can connect to the database with sqlplus.
using the same user/password
I am trying to connect to JULSOF.
tnsnames.ora.
# TNSNAMES.ORA Network Configuration File: C:\oracle\ora92\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
JULSOF =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS =
(PROTOCOL = TCP)(HOST = jean)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = JULSOF)
INST1_HTTP =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = jean)(PORT = 1521))
(CONNECT_DATA =
(SERVER = SHARED)
(SERVICE_NAME = MODOSE)
(PRESENTATION = http://HRService)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)

Thanks Michel for your time.
well please look here.
C:\oracle\ora92\bin>tnsping julsof
TNS Ping Utility for 32-bit Windows: Version 9.2.0.1.0 - Production on 30-AUG-2003 13:03:53
Copyright (c) 1997 Oracle Corporation. All rights reserved.
Brugte parameterfiler:
C:\oracle\ora92\network\admin\sqlnet.ora
Brugte TNSNAMES adapter til at tolke aliaset
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = jean)(PORT =
1521))) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = JULSOF)))
OK (30 msec)
here is sqlnet.ora
SQLNET.ORA Network Configuration File: C:\oracle\ora92\network\admin\sqlnet.ora
# Generated by Oracle configuration tools.
SQLNET.AUTHENTICATION_SERVICES= (NTS)
NAMES.DIRECTORY_PATH= (TNSNAMES, ONAMES, HOSTNAME)
listner.ora
# LISTENER.ORA Network Configuration File: C:\oracle\ora92\network\admin\listener.ora
# Generated by Oracle configuration tools.
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = jean)(PORT = 1521))
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\ora92)
(PROGRAM = extproc)
(SID_DESC =
(GLOBAL_DBNAME = JULSOF)
(ORACLE_HOME = C:\oracle\ora92)
(SID_NAME = JULSOF)
here is init.ora.724200395724
# Copyright (c) 1991, 2001, 2002 by Oracle Corporation
# Cache and I/O
db_block_size=8192
db_cache_size=25165824
db_file_multiblock_read_count=16
# Cursors and Library Cache
open_cursors=300
# Database Identification
db_domain=""
db_name=JULSOF
# Diagnostics and Statistics
background_dump_dest=C:\oracle\admin\JULSOF\bdump
core_dump_dest=C:\oracle\admin\JULSOF\cdump
timed_statistics=TRUE
user_dump_dest=C:\oracle\admin\JULSOF\udump
# File Configuration
control_files=("C:\oracle\oradata\JULSOF\CONTROL01.CTL", "C:\oracle\oradata\JULSOF\CONTROL02.CTL", "C:\oracle\oradata\JULSOF\CONTROL03.CTL")
# Instance Identification
instance_name=JULSOF
# Job Queues
job_queue_processes=10
# MTS
dispatchers="(PROTOCOL=TCP) (SERVICE=JULSOFXDB)"
#dispatchers="(PROTOCOL=TCP) (SERVICE=JULSOF)"
# Miscellaneous
aq_tm_processes=1
compatible=9.2.0.0.0
# Optimizer
hash_join_enabled=TRUE
query_rewrite_enabled=FALSE
star_transformation_enabled=FALSE
# Pools
java_pool_size=33554432
large_pool_size=8388608
shared_pool_size=50331648
# Processes and Sessions
processes=150
# Redo Log and Recovery
fast_start_mttr_target=300
# Security and Auditing
remote_login_passwordfile=EXCLUSIVE
# Sort, Hash Joins, Bitmap Indexes
pga_aggregate_target=25165824
sort_area_size=524288
# System Managed Undo and Rollback Segments
undo_management=AUTO
undo_retention=10800
undo_tablespace=UNDOTBS1
*********************************************************

Suddenly getting "ORA-12154: TNS: could not resolve service name"

Hi all
A fairly basic post from a newbie here!
Basically, I connect to several Oracle 9i instances from my PC using Toad and SQLPlus. Yesterday, this was working fine, but today, I am getting "ORA-12154: TNS: could not resolve service name" every time I try to hit any oracle instance from either Toad or SQLPlus. I have checked my TNSNAMES.ora file and it looks fine.
Are there any system variables I should look at? My PATH was changed yesterday, but I have checked and my Oracle 9i bin path is still correctly in my PATH.
I'm a bit baffled so any help/pointers would be most welcome!
Many thanks
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Since you have changed your PATH, did you change any other Env Variable?
How many ORACLE_HOME have you got. i.e have you installed any new Oracle Software on the same machine?
Ensure that that Environment Variables ORACLE_HOME and TNS_ADMIN is pointing to the correct directory where your TNSNAMES.ORA is located.

"Database Log In Failed - TNS could not resolve service name"

Hello.
I have an installation of Oracle 10g Release 2 (10.2) for Microsoft Windows (32-Bit) using WinXP Pro on my computer.
I have also installed the compantion CD on the same machine (In a separate home directory) so that I can use PL/SQL.
I have searched through the forum threads but haven't found any similar problem. The solutions that fixed other peoples problem don't seem to be applicable to mine.
I have created a user 'antagning' and some tables and also some PL/SQL procedures that compile fine. When I request
http://localhost:7777/pls/projekt/firsttest
(firsttest is the procedure. doesn't take any params)
I get the famous
Database Log In Failed
TNS could not resolve service name
Verify that the TNS name in the connectstring
entry of the DAD for this URL is valid.
This is my DAD file:
<location /pls/projekt>
SetHandler pls_handler
PlsqlDatabaseUsername antagning
PlsqlDatabasePassword antagning
PlsqlDatabaseConnectString ORCL
PlsqlAuthenticationMode Basic
PlsqlErrorStyle DebugStyle
</location>
and my tnsnames.ora looks like: (there is only one on the machine so there is no conflicting setups I think)
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST =
localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = ORCL)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
finally, this is my sqlnet.ora:
# sqlnet.ora Network Configuration File: c:\oracle10g\network\admin\sqlnet.ora
# Generated by Oracle configuration tools.
# This file is actually generated by netca. But if customers choose to
# install "Software Only", this file wont exist and without the native
# authentication, they will not be able to connect to the database on NT.
SQLNET.AUTHENTICATION_SERVICES= (NTS)
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
I haven't set any default domain because the database runs on my local computer and not on a microsoft server in a domain. Is that correctly concluded?
I get an OK message when I ping my TNS with "tnsping orcl" (Maybe that information is not relevant in the context)
My webserver is started and is running fine (I think). If I request:
http://localhost:7777/pls/projekt (without any procedure name)
I get the message that no procedure is specified to run so I get some sort of answer from the webserver, so far so right.
When I log in using sqlplus with my own created user account I have to leave the database field empty or the login will fail. If I specify the field with the string orcl
the login will fail. Does that imply that something is not quite right? Maybe that hasn't got anything to do with the failure message.
/Fredrik

Has anyone resolved the problems with using TNSFormat?
As is, I want to move to a shared server setup and to do that I want to use TNSFormat and point to a tns entry which is setup for IPC+Shared connection.
But the Oracle Home that has the Oracle HTTP Server (from the companion CD) does not have SQL*net installed and does not seem to understand TNS.
I have TNS_ADMIN setup, I have ORACLE_HOME_LISTENER poiting to the DB Home.
for the OHS home, using "sqlplus login/pw@ipcshared" works, but "tnsping ipcshared" does not, since tnsping does not exist in the OHS home.
I cannot install SQL*Net from the CD1, since it requires a dedicated/new home and does not want to install in the OHS Home.
The only format that works in a dedicated OHS Home setup is ServiceNameFormat.
Any help or input would be very helpful.
Regards
ps. This is a redhat linux setup.
Message was edited by:
Oli_t

About ORA-12154: TNS:could not resolve service name

Hi~
i have a problem about Oracle Form/Report connecting
when i keyin UserName/PassWord & Service Name(like myInstance_172.22.22.22) connecting to Instance,connection failed(Form/Report),error as follow
ORA-12154: TNS:could not resolve service name
but when i try this(the same userName/PassWord & Service String) on the SQL*Plus or DBA(OEM),it can successfully connection to Instance.
what should i to do to resolve this problem?
Thanks.

Robson
"TNS:could not resolve service name" means the tnsnames.ora file doesn't have the entry for your service name.
There are couple of situations where this error can come even if you see the sqlplus works
Please check the follwoing
1. You may be having morethan one tnsnames.ora file in your system and the entry doesn't exist in any one of them , which is unfortunatel used by Forms/Reports.
In your Oracle_Home for Forms / Reports, serach for the folder Network/admin or Net80/Admin and see the tnsnmaes.ora file there. Ensure you have the proper entry for your referred tnsname
2. If your Reports server / client is in different machines, ensure both the machne's tnsnames.ora files have the entry
Alternatively, you canedit the registry of your Oracle_Home to add another variable call ed TNS_ADMIN and give your directory where theproper tnsnames.ora
is available
Thanks
The Oracle Reports Team

TNS: could not resolve service name

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