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Ora-12154 Tns Could Not Resolve Service Name

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Action: None. I had the same problem. This kept giving me the "Oracle ORA-12154: TNS: Could not..." error. How would I test the continuity of an anti-static wrist band? have a peek at this web-site

Once you have set up tnsnames correctly you could use ODBC or try TOra which will use your native oracle connection. Connection issues could also be the culprit, or the destination name may not match the input address. Today I will discuss the reason for this error and possible resolutions.

Full error message:

OLE DB provider "MSDAORA" for linked server "LINKED_ORA" returned message "ORA-12154: TNS:could not resolve Action: Make sure the network driver is functioning and the network is up.

Ora-12154 Tns Could Not Resolve Service Name

ORA-12235: TNS:Failure to redirect to destination Cause: This error is reported by an interchange which fails to redirect a connection to another interchange along the path to the destination. RESOLUTION 6: Ensure you have a "tnsnames.ora" file and it contains correct and accurate TNS entry for the database you want to connect to. Right-Click My Computer | Properties | Advanced tab | Environment Variables button | under System Variables section | click New button. 2. I'll assume the name you gave of DATASOURCE.

What is the purpose of the AT-ACT? Article: 00951 Last Reviewed: 7th September 2006 Revision: 1 This error indicates that Oracle is unable to locate the service name specified in your Easysoft ODBC-Oracle Driver ODBC data source. Being able to connect using SQL Plus isn't a guarantee Oracle SQL Developer will work - in fact, I ran into that very case where SQL Developer would not connect, while Tns Could Not Resolve The Connect Identifier Specified Odbc All rights reserved.

And, finally, for those using easy connect naming: Verify that "EZCONNECT" is listed as one of the values of the NAMES.DIRETORY_PATH parameter in the Oracle Net profile (SQLNET.ORA). Ora-12154 Tns Could Not Resolve The Connect Identifier Specified Windows 7 It doesn't have a verbose option, so I used SysInternals procmon to figure out which registry settings and files it was reading. –osullivj Nov 17 '15 at 16:04 add a comment| ORA-12219: TNS:missing community name from address in ADDRESS_LIST Cause: This error occurs when an ADDRESS_LIST has some ADDRESSes in it that have no COMMUNITY component and others that do have a check over here and use netmanagerhttp://docs.oracle.com/cd/E11882_01/network.112/e41945/admintools.htm#NETAG216Regards Like Show 0 Likes(0) Actions 3.

For example: TNS_ADMIN = /home/oracle/network/admin export TNS_ADMIN Applies To Products Easysoft ODBC-Oracle Driver Knowledge Base Feedback * Did this content help you? Asp.net Ora-12154: Tns:could Not Resolve The Connect Identifier Specified Anyone considering using the services of an Oracle support expert should independently investigate their credentials and experience, and not rely on advertisements and self-proclaimed expertise. ORA-12158: TNS:could not initialize parameter subsystem Cause: Unable to locate parameter file. SQL Server (and oracle net libraries) is not able to get the TNS alias from tnsnames.ora file.

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Ora-12154 Tns Could Not Resolve The Connect Identifier Specified Windows 7

If error persists, contact Worldwide Customer Support. http://www.dba-oracle.com/t_ora_12154_tns_resolve_service_name.htm my TNSNAMES:ORA file was also good to go but apparently there was a problem due to firewall blocking the access. Ora-12154 Tns Could Not Resolve Service Name Get the weekly newsletter! Ora-12154 Tns Could Not Resolve Service Name Oracle 11g Full disk problem on Ubuntu 16.04 (Xenial Xerus) Design strategy to replace multiple if else Referring to equations What does HR do for me?

The following methods can be used to view existing TNS Service names on your machine: Look in the file 'ORANT\Network\Admin\Tnsnames.ora' (for versions of Oracle prior to 8.1) or 'Oracle\Ora81\ Network\Admin\Tnsnames.ora' (for Check for the registry key “TNS_ADMIN” at HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE. Action: Install support for the protocol or correct typographical error, as appropriate. Somehow the installation wasn't successful on 1 of the workstations (even though there was no logging), however when comparing size/files/folders of the Oracle directory to a working client workstation, there was Tns Could Not Resolve The Connect Identifier Specified Oracle 10g

Click OK, OK, and OK 5. It real works. For example, if the type of connect identifier used was a net service name then the net service name could not be found in a naming method repository, or the repository To download a free version of Oracle client, refer to www.oracle.com/.../index.html.

If you search the toad support web site you'll find references to this known Oracle client issue. Ora-12154 Tns Listener Does Not Currently Know Of Service Requested In Connect Descriptor Check if SQL server start up account has permission to the Oracle Home. Try to connect to Oracle from the SQL server using the UDL.

After giving required permission, database connection worked. –mvsagar Jun 14 '15 at 12:21 When connecting on Windows, you are missing the TNS_ADMIN environment variable as a possible cause when

It seems to allow a configuration of something called a listener in a “net configuration utility”, I think that a “Local Net Service Name Configuration” needs to also be done. This helped a lot. I have tried every combination that I can think of. Tns Could Not Resolve The Connect Identifier Specified Sqlplus so I created a new directory named C:App\Toad then reinstalled in it to connect Toad to Oracle.

Hope it helps someone else. ORA-12151: TNS:received bad packet type from network layer Cause: Internal error. For further details, turn on tracing and reexecute the operation. the situation: just installed visual studio 2012 Oracle developer tools.

ORA-12157: TNS:internal network communication error Cause: Internal error during network communication. solution: http://www.youtube.com/watch Reply rahul says: October 23, 2015 at 12:44 am hope this solves your problem http://www.youtube.com/watch Reply Rahul says: October 26, 2015 at 6:17 am seriously, i need help.. Action: Check that in the connect descriptors you are using either all the ADDRESSes have a COMMUNITY component or all do not. ORA-12162: TNS:net service name is incorrectly specified Cause: The connect descriptor corresponding to the net service name in TNSNAMES.ORA or in the directory server (Oracle Internet Directory) is incorrectly specified.

ORA-12171: TNS:could not resolve connect identifier: string Cause: A connection to a database or other service was requested using a connect identifier, and the connect identifier specified could not be resolved ORA-12209: TNS:encountered uninitialized global Cause: Application calling navigation routine has not properly configured the global variables. It is not uncommon for new users of Oracle to spend hours upon hours trying to figure out what their mistake is when ORA-12154 appears." The oerr utility notes this on Verify that the net service name or database name used as the connect identifier is configured in the directory.

Reply Dinesh says: February 20, 2014 at 2:29 am Hi, Thank you for the article. Re: Unable to resolve ORA-12154: TNS:could not resolve the connect identifier specified Partha Sarathy S Feb 2, 2014 9:01 AM (in response to Karki) If that doesn't help then check whether This was removed - there's no #4. 5. If you get the same error that means the issue is not specific to SSMS or linked server.

Creating and Configuring Universal Data Link (.udl) Files

http://msdn.microsoft.com/en-us/library/e38h511e(VS.71).aspx 13.

Oracle technology is changing and we strive to update our BC Oracle support information. Use a smaller net service name.