In PerfDataSource could not resolve counter instance OpsMgr DW Synchronization Module,Total Error Count,All Instances.

Hello,
Event viewer Shows warning 10103 in one of SCOM Server 2012 R2.
In PerfDataSource could not find counter <counter name> in Snapshot. Unable to submit Performance value. Module will not be unloaded.
One or more workflows were affected by this.
Workflow name: <workflow name>
Instance name: <instance name> Instance ID: {<ID>}
Management group: <group>.
Counter: "OpsMgr DW Synchronization Module, Total Error Count, All Instances"
How can solve its?
Thanks

Hi,
Can you try to open perfmon and add above counters to see if they are there?
In addition, please also try to manually create the collection rule of OpsMgr DW Synchronization Module object and check the performance counters.
Regards,
Yan Li
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

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Screenshot of the error:
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EdStevens wrote:
Khurram Shehzad wrote:
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Best Regards
Akhmad H Gumas

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This is bit strange. It should work. I tested and works fine for me.
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ORA-12154: TNS:could not resolve the connect identifier specified Oracle 11

I'm having a slight issue with Oracle 11 R2
Oracle 10g was removed from the machine - The registry was cleared and I couldn't see anything of 10g left.
I then installed Oracle 11 with just the software only, and then created a listener.
Using the Database Configuration Assistant, I tried to add a database but I get the error:
'ORA-12154: TNS:could not resolve the connect identifier specified'
The TNS_ADMIN is set to: \\ravel\tnsnames and I can connect to other instances around the company.
My tnsnames entry is:
GMAN_1120.WORLD =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = gman)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = ora112)
If i start the listener i get:
TNSLSNR for 32-bit Windows: Version 11.2.0.1.0 - Production
System parameter file is D:\oracle\product\11.2.0\dbhome_1\network\admin\listener.ora
Log messages written to d:\oracle\diag\tnslsnr\gman\listener\alert\log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=gman)(PORT=1521)))
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 11.2.0.1.0 - Production
Start Date 03-AUG-2011 10:34:28
Uptime 0 days 0 hr. 0 min. 1 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File D:\oracle\product\11.2.0\dbhome_1\network\admin\listener.ora
Listener Log File d:\oracle\diag\tnslsnr\gman\listener\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=gman)(PORT=1521)))
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Instance "ora112", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
LSNRCTL>
Can anyone spot what may have gone wrong? I've setup 10g multiple times and never had a problem

I can tnsping my machine using another machine:
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = gman)(PORT = 1521))) (CONNECT_DATA = (SERVIC
E_NAME = ora112)))
OK (30 msec)
My listener.ora file is:
# listener.ora Network Configuration File: D:\oracle\product\11.2.0\dbhome_1\network\admin\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = D:\oracle\product\11.2.0\dbhome_1)
(PROGRAM = extproc)
(SID_DESC=
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(ORACLE_HOME=D:\oracle\product\11.2.0\dbhome_1)
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)

ORA-12154 could not resolve the connect indentifier specified

[http://www.freeimagehosting.net/image.php?793d240bb3.jpg]
when i try to install oracle 10g i find this problem i wish you help me

user473080 wrote:
[http://www.freeimagehosting.net/image.php?793d240bb3.jpg]
when i try to install oracle 10g i find this problem i wish you help meIn the future please work from a command line and use copy and paste to put commands and results in your posts. Many people's corporate nets block access to blog sites.
I have recently blogged extensively on this very subject. See edstevensdba.wordpress.com. I can't post a link to the exact article, because my corporate website blocks access to blog sites. I have also, many many times posted on this error in this forum, which a cursory search would have turned up. But once again, back by popular request:
=================================
ORA-12154: TNS:could not resolve the connect identifier specified
This error means one thing, and one thing only. The client could not find the specified entry in the tnsnames.ora file being used.
As a follow-on to that statement, remember that when you use a dblink, the database in which the link is defined is acting as a client to the database that is the target of the link. So in this case, the tnsnames.ora file on the host of your source should have an entry for your target db, as defined in the db_link.
And for the umpteenth time ... this error has NOTHING to do with the status of a listener. The connection request never got far enough to reach a listener. If anyone tells you to check a listener in response to ora-12154, they are not paying attention, or do not understand how TNS works. This error is the equivalent of not being able to place a telephone call because you don't know the number of the party you want to reach. You wouldn't debug that situation by going to the other guy's house and testing his telephone, or by going to the phone company and testing the switchboard. And you don't debug a ORA-12154 by checking the listener. If I had a top ten list of "Incredibly Simple Concepts (tm)" that should be burned into the brain of everyone who claims to be an Oracle DBA, it would include "ORA-12154 Has Nothing To Do With The Listener".
=================================
A couple of important points.
First, the listener is a server side only process. It's entire purpose in life is to receive requests for connections to databases and set up those connections. Once the connection is established, the listener is out of the picture. It creates the connection. It doesn't sustain the connection. One listener, with the default name of LISTENER, running from one oracle home, listening on a single port, will serve multiple database instances of multiple versions running from multiple homes. It is an unnecessary complexity to try to have multiple listeners or to name the listener as if it belongs to a particular database. That would be like the telephone company building a separate switchboard for each customer.
Additional notes on the listener: One listener is capable of listening on multiple ports. But please notice that it is the listener using these ports, not the database instance. You can't bind a specific listener port to a specific db instance. Similarly, one listener is capable of listnening on multiple IP addresses (in the case of a server with multiple NICs) But just like the port, you can't bind a specific ip address to a specific db instance.
Second, the tnsnames.ora file is a client side issue. It's purpose is for address resolution - the tns equivalent of the 'hosts' file further down the network stack. The only reason it exists on a host machine is because that machine can also run client processes.
Assume you have the following in your tnsnames.ora:
larry =
(DESCRIPTION =
 (ADDRESS_LIST =
 (ADDRESS = (PROTOCOL = TCP)(HOST = myhost)(PORT = 1521))
 (CONNECT_DATA =
 (SERVICE_NAME = curley)
)Now, when you issue a connect, say like this:
$> sqlplus scott/tiger@larrytns will look in your tnsnames.ora for an entry called 'larry'. Finding it, tns sends a request through the normal network stack to (PORT = 1521) on (HOST = myhost) using (PROTOCOL = TCP), asking for a connection to (SERVICE_NAME = curley).
Where is (HOST = myhost) on the network? When the request gets passed from tns to the next layer in the network stack, the name 'myhost' will get resolved to an IP address, either via a local 'hosts' file, via DNS, or possibly other less used mechanisms. You can also hard-code the ip address (HOST = 123.456.789.101) in the tnsnames.ora.
Next, the standard networking process delivers the message to port 1521 on myhost. Hopefully, there is a listener on myhost configured to listen on port 1521, and that listener knows about SERVICE_NAME = curley. If so, the listener will spawn a server process to act as the intermediary between your client and the database instance. Communication to the server process will be on a randomly selected available port. At that point the listener is out of the process and continues to user port 1521 to await other connection requests.
What can go wrong?
First, there may not be an entry for 'larry' in your tnsnames. In that case you get "ORA-12154: TNS:could not resolve the connect identifier specified" No need to go looking for a problem on the host, with the listener, etc. If you can't place a telephone call because you don't know the number (can't find your telephone directory (tnsnames.ora) or can't find the party you are looking for listed in it (no entry for larry)) you don't look for problems at the telephone switchboard.
Maybe the entry for larry was found, but myhost couldn't be resolved to an IP address (say there was no entry for myhost in the local hosts file). This will result in "ORA-12545: Connect failed because target host or object does not exist"
Maybe there was an entry for myserver in the local hosts file, but it specified a bad IP address. This will result in "ORA-12545: Connect failed because target host or object does not exist"
Maybe the IP was good, but there is no listener running: "ORA-12541: TNS:no listener"
Maybe the IP was good, there is a listener at myhost, but it is listening on a different port. "ORA-12560: TNS:protocol adapter error"
Maybe the IP was good, there is a listener at myhost, it is listening on the specified port, but doesn't know about SERVICE_NAME = curley. "ORA-12514: TNS:listener does not currently know of service requested in connect descriptor"
Third: If the client is on the same machine as the db instance, it is possible to connect without referencing tnsnames and without going through the listener.
Now, when you issue a connect, say like this:
$> sqlplus scott/tigertns will attempt to establish an IPC connection to the db instance. How does it know the name of the instance? It uses the current value of the enviornment variable ORACLE_SID. So...
$> export ORACLE_SID=fred
$> sqlplus scott/tigerIt will attempt to connect to the instance known as "fred". If there is no such instance, it will, of course, fail. Also, if there is no value set for ORACLE_SID, the connect will fail.
check executing instances to get the SID
[oracle@vmlnx01 ~]$ ps -ef|grep pmon|grep -v grep
oracle 4236 1 0 10:30 ? 00:00:00 ora_pmon_vlnxora1set ORACLE_SID appropriately, and connect
[oracle@vmlnx01 ~]$ export ORACLE_SID='vlnxora1
[oracle@vmlnx01 ~]$ sqlplus scott/tiger
SQL*Plus: Release 10.2.0.4.0 - Production on Wed Sep 22 10:42:37 2010
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing optionsNow set ORACLE_SID to a bogus value, and try to connect
SQL> exit
[oracle@vmlnx01 ~]$ export ORACLE_SID=FUBAR
[oracle@vmlnx01 ~]$ sqlplus scott/tiger
SQL*Plus: Release 10.2.0.4.0 - Production on Wed Sep 22 10:42:57 2010
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux Error: 2: No such file or directory
Enter user-name: Now set ORACLE_SID to null, and try to connect
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SQL*Plus: Release 10.2.0.4.0 - Production on Wed Sep 22 10:43:24 2010
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
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ORA-12162: TNS:net service name is incorrectly specifiedOk, that is how we get from the client connection request to the listener. What about the listener's part of all this?
The listener is very simple. It's job is to listen for connection requests and make the connection (server process) between the client and the database instance. Once that connection is made, the listener is out of the picture. If you were to kill the listener, all existing connections would continue. The listener is configured with the listener.ora file, but if that file doesn't exist, the listener is quite capable of starting up with all default values. One common mistake with the listner configuration is to specify "HOST=localhost" or "HOST=127.0.01". This is a NONROUTABLE ip address. LOCALHOST and ip address 127.0.0.1 always mean "this machine on which I am sitting". So, all computers are known as "localhost" or "127.0.0.1". If you specify this address, the listener will only be capable of receiving requests from the machine on which it is running. If you specified that address in your tnsnames file - on a remote client machine - the request would be routed to the machine on which the requesting client resides. Probably not what you want.
=====================================

TNS:could not resolve the connect identifier specified

I am at the end of my rope and I would really appreciate some assistance.
I get the error: "TNS:could not resolve the connect identifier specified " from my ASP pages and "Warning: oci_connect() [function.oci-connect]: Error while
trying to retrieve text for error ORA-12154" when connecting from php pages.
I am trying to access these pages from the same server as the database.
I manage to connect to the database homepage, but only after I manually stop and start the database after a restart (why?).
I have been reading forums and I have been googling for days. I think this is what you guys need to know to be able to help me.
General information:
Oracle Database 10g Express Edition Universal
Windows Server 2003 Standard SP 1
IIS 6
PHP Version 5.1.2
ASP allowed "normal" scrips runs ok
Php Allowed "normal" scrips runs ok
system variable path
C:\oraclexe\app\oracle\product\10.2.0\server\bin;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\php;C:\instantclient_10_2
(server has been rebooted since last editing)
IUSR_Curium has full control on following folders including subfolders:
c:\windows\temp
C:\oraclexe
C:\instantclient_10_2
IWAM_Curium
IUSR_Curium has full control on following folders including subfolders:
c:\windows\temp
C:\oraclexe
C:\instantclient_10_2
HTTP access is set to "Available from local server and remote clients"
All oracle related services except OracleJobSchedulerXE is set to Automatic and is in status started
I can ping curium and i get a response from the server's public IP-Adress
I can ping localhost and i get a response from 127.0.0.1
This is my connection in ASP:
Set OraConn = Server.CreateObject("ADODB.Connection")
Oraconn.ConnectionString = "Driver={Microsoft ODBC for Oracle};Server=xe;Uid=hr;Pwd=hr;"
ASP connection gives the following error:
Microsoft OLE DB Provider for ODBC Drivers error '80004005'
[Microsoft][ODBC driver for Oracle][Oracle]ORA-12154: TNS:could not resolve the connect identifier specified
/asptest/test.asp, line 5
This is my connection in php
$conn = oci_connect('hr', 'hr', 'xe');
PHP connection gives the following error:
Warning: oci_connect() [function.oci-connect]: Error while trying to retrieve text for error ORA-12154 in c:\Inetpub\wwwroot\index1.php on line 3
Error while trying to retrieve text for error ORA-12154
C:\>lsnrctl status
LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 21-MAR-2006 22:09:01
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC_FOR_XE)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production
Start Date 21-MAR-2006 20:57:04
Uptime 0 days 1 hr. 11 min. 58 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Default Service XE
Listener Parameter File C:\oraclexe\app\oracle\product\10.2.0\server\network\admin\listener.ora
Listener Log File C:\oraclexe\app\oracle\product\10.2.0\server\network\log\listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC_FOR_XEipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=curium)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=curium)(PORT=8080))(Presentation=HTTP)(Session=RAW))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "XEXDB" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Service "XE_XPT" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Service "xe" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
The command completed successfully
C:\>lsnrctl services
LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 21-MAR-2006 22:11:39
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC_FOR_XE)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0
LOCAL SERVER
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0
LOCAL SERVER
Service "XEXDB" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Handler(s):
"D000" established:38 refused:0 current:24 max:1002 state:ready
DISPATCHER <machine: CURIUM, pid: 1972>
(ADDRESS=(PROTOCOL=tcp)(HOST=curium)(PORT=1045))
Service "XE_XPT" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:1 refused:0 state:ready
LOCAL SERVER
Service "xe" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:1 refused:0 state:ready
LOCAL SERVER
The command completed successfully
C:\>tnsping XE
TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on 21-MAR-2
006 22:14:10
Copyright (c) 1997, 2005, Oracle. All rights reserved.
Used parameter files:
C:\oraclexe\app\oracle\product\10.2.0\server\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = curium)(
PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE)))
OK (10 msec)
C:\>sqlplus system/xxxxx as sysdba
SQL*Plus: Release 10.2.0.1.0 - Production on Ti Mar 21 22:15:38 2006
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
C:\>sqlplus hr/hr@XE
SQL*Plus: Release 10.2.0.1.0 - Production on Ti Mar 21 22:15:21 2006
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
C:\>sqlplus "/ as sysdba"
SQL*Plus: Release 10.2.0.1.0 - Production on Ti Mar 21 22:15:02 2006
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
Litener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oraclexe\app\oracle\product\10.2.0\server)
(PROGRAM = extproc)
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = C:\oraclexe\app\oracle\product\10.2.0\server)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
(ADDRESS = (PROTOCOL = TCP)(HOST = curium)(PORT = 1521))
DEFAULT_SERVICE_LISTENER = (XE)
sqlnet.ora
# 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)
tsnames.ora
XE =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = curium)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = XE)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
(CONNECT_DATA =
(SID = CLRExtProc)
(PRESENTATION = RO)
Sorry for the long post....
Best regards
Roy-Christian Natland
Norway

Great post - it has nearly everything needed for diagnosis. Well done.
The database is working, and the listener is listening. The successful tnsping to XE shows me that the client subsystem (at least in the oraclexe) path is set up correctly.
However, two other non-oracle clients (ASP and PHP) cannot see the definition for the XE server. This suggests to me that something is pointing them to another Oracle client software set up
I note that you have C:\instantclient_10_2 in your path - so presumably you had/have installed Instant Client on this machine as well ?
Given that you are on the server box, I don't think you need the Instant Client set up. It's possible that this is what is misdirecting the other clients you are suing. Try taking this out of your path.
If that doesn't work, can you provide the output of a SET command issued from the command line.

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

Unable to resolve ORA-12154: TNS:could not resolve the connect identifier specified

Hi Friends,
I am unable to resolve ORA-12154: TNS:could not resolve the connect identifier specified, error:
C:\Windows\system32>sqlplus scott/tiger@ORADATA
SQL*Plus: Release 11.2.0.1.0 Production on Sun Feb 2 13:46:10 2014
Copyright (c) 1982, 2010, Oracle. All rights reserved.
ERROR:
ORA-12154: TNS:could not resolve the connect identifier specified
SQL> select database_name from v$database;
DATABASE_NAME
ORADATA
SQL> select instance_name from v$instance;
INSTANCE_NAME
oradata
tnsnames.ora
============
ORADATA =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL=TCP)(HOST=himanshu-PC)(PORT=1521))
    (CONNECT_DATA =
(SERVICE_NAME = oradata)
(SERVER = DEDICATED)
listener.ora
=========
LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = himanshu-PC)(PORT = 1521))
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
SID_LIST_LISTENER =
(SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = ORADATA)
      (ORACLE_HOME = G:\app\himanshu\product\11.2.0\dbhome_1)
      (SID_NAME = oradata)
sqlnet.ora
========
SQLNET.AUTHENTICATION_SERVICES = (NTS)
C:\Windows\system32>lsnrctl status
LSNRCTL for 32-bit Windows: Version 11.2.0.1.0 - Production on 02-FEB-2014 13:53:37
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=himanshu-PC)(PORT=1521)))
STATUS of the LISTENER
Alias                     LISTENER
Version                   TNSLSNR for 32-bit Windows: Version 11.2.0.1.0 - Production
Start Date                02-FEB-2014 13:29:35
Uptime                    0 days 0 hr. 24 min. 6 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   G:\app\himanshu\product\11.2.0\dbhome_1\network\admin\listener.ora
Listener Log File         g:\app\himanshu\diag\tnslsnr\himanshu-PC\listener\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=himanshu-PC)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
Services Summary...
Service "ORADATA" has 2 instance(s).
Instance "ORADATA", status UNKNOWN, has 1 handler(s) for this service...
Instance "oradata", status READY, has 1 handler(s) for this service...
Service "ORADATAXDB" has 1 instance(s).
Instance "oradata", status READY, has 1 handler(s) for this service...
The command completed successfully
Kindly guide whats wrong with my configuration.

ORADATA =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL=TCP)(HOST=himanshu-PC)(PORT=1521))
    (CONNECT_DATA =
(SERVICE_NAME = oradata)
(SERVER = DEDICATED)
Try editing the tnsnames.ora file to check there is any junk characters around the tns entry(shown in RED) and then try pining the tns from CMD as
tnsping ORADATA.

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
Jon

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.

In PerfDataSource could not resolve counter instance OpsMgr DW Synchronization Module,Total Error Count,All Instances.

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