ORA-12154 error help need

Similar Questions

• Error trying to recover the ORA-12154 error text

  Hi all
  
  We want SETTING using ad module OBIA 7964 Finance. As part of have installed us Informatica 9.0.1 in our Linux x 86-64-bit server machine. And in the same machine, we installed a 11.2.0.1.0 oracle client.
  
  And we install Oracle Database 11 g Enterprise Edition Release 11.2.0.1.0 - 64 bit Production in another linux server.
  
  Now the question while trying to create a service of Informatica repository we get the error
  
  2013-04-25 12:52:38: ERROR: (7899 | 140669883090720): (RS |) (BIAPPS_DEV): node01_haidcobidev01: OBJM_54538: unable to connect to the repository BIAPPS_DEV to the orcl database.
  2013-04-25 12:52:38: ERROR: (7899 | 140669883090720): (RS |) (BIAPPS_DEV): node01_haidcobidev01: REP_51002: could not connect to the database server
  Database driver error...
  Function name: logon
  Error trying to recover the ORA-12154 error text
  
  Database driver error...
  Function name: connect
  Database error: unable to connect to the database using the [lower] user and the connection string [orcl]
  
  Please let us know is there something missing as part of the Setup and let us know how to solve this problem.
  
  Thank you
  Dany

  Who is the owner of this post?
  Looks like 2 different people possess!

  What link if you guys pass, try something like
  HostName: port / serviceName

• ORA-12154 error trying to connect with the customer instant g 11 / LDAP on Ubuntu

  Hello
  
  I managed to install the client instant 11.2.0.2 and sqlplus on my Ubuntu 11.04 desktop. I am able to connect successfully to DB defined in tnsnames.ora, but when the resolution is (or should be) by LDAP, I get error
  
  ORA-12154: TNS: could not resolve the connect identifier specified
  
  Note: while it is fine for the test, it is not a viable option to configure all DB defined in the OID in tnsnames.ora - I need to use LDAP.
  
  My configuration is:
  
  Installation folder: / opt/oracle/instantclient_11_2
  TNS_ADMIN = / opt/oracle/instantclient_11_2 /.
  
  SQLNET.ora
  NAMES. DIRECTORY_PATH = (TNSNAMES, LDAP)
  
  I am sure that the tnsnames.ora and ldap.ora are valid, as I can connect on another machine with the full client installed successfully by using the same files.
  
  I tried tracing facility in sqlnet.ora as follows
  TRACE_LEVEL_CLIENT = SUPPORT
  TRACE_DIRECTORY_CLIENT = / tmp
  TRACE_FILE_CLIENT = sqlnet.trc
  but not the trace file is generated in the directory/tmp - I'm doing something wrong? (Note, I also tried to set DIAG_ADR_ENABLED = OFF as suggested by Laurenz Albe in Instant client do not trace but which did not help)
  
  I checked DocID = 359206.1 but I don't think that this applies as I am on 11 g.
  
  I hope someone can help. Thanks in advance!

  It might be the return transport of the characters in the parameter files - make sure your sqlnet.ora and ldap.ora are in Unix format.

  Linux vi versions tend to switch seamlessly between unix and back mode so it isn't always obvious - you can check with something like "od - c sqlnet.ora.

• ORA-12154 error loading I$

  Hi all
  
  When I try to execute an interface it fails with the error below when you load data to I$ table. He created the I$ table but fails when loading data only. Can someone help me with this
  
  ORA-12154: TNS: could not resolve the connect identifier specified.
  
  
  Thank you

  Just write a sql of the target to check if the DB connection is correct.

  For sure, the problem lies in your db link. Recreate the db link and check if you are able to access the source tables.

  1. click on the db link: run the query on the target (I think your target and staging are on the same db)
  Select * from MANHATTANDR '.» SYN_ASN_HDR;

  You will get the same error, this will confirm that the error is with db link.

  2 give up this db link and re-create the link correct db.

  And then run the SQL in the backend to check if the new db link is correct. i.e.

  Select * from WMOS1 '.» ASN_HDR"@"MANHATTAN_PROD_A

  It may be useful

• A question about the CREATE DATABASE LINK PUBLIC and ORA-12154 error

  Hi all
  
  
  I have a problem on the public database link creation and I would be grateful if you could kindly give me a helping hand. I have the following connection settings in my
  tnsnames.ora file:
  

  ...
  DGPAPROD.WORLD = 
       (DESCRIPTION = 
         (ADDRESS_LIST = 
          (ADDRESS = (COMMUNITY=tcp.world)
            (PROTOCOL=TCP)(HOST=ORASR001)(PORT=1521)
           ) 
         )
         (CONNECT_DATA = (SID = DGPAPROD))
      )
  ...

  Having the above mentioned parameters, I can connect to this remote database directly in a SQL * more shell:

  $ sqlplus username/[email protected]

  It works pretty well and the connection is established without any problem.
  
  Now, what I want to do is to create a public database of this remote database link to avoid the user/connection of switch for the visualization of the
  the content of this database. I proceeded in line with the syntax indicated in the Oracle online documentation:
  
  http://download.Oracle.com/docs/CD/B28359_01/server.111/b28286/statements_5005.htm#SQLRF01205
  
  This is why I run the following to create a public database link

  CREATE PUBLIC DATABASE LINK SR001_dblink CONNECT TO user IDENTIFIED BY password USING 'DGPAPROD.WORLD';

  Apparently there is no error and the link is created successfully. However, it cannot resolve the remote host and every time I run this query
  (myenterprise is the name of a table in the remote database)

  SELECT *
  FROM myenterprise@SR001_dblink
  
  ERROR at line 1:
  ORA-12154: TNS:could not resolve the connect identifier specified

  What causes this problem?
  
  Thanks in advance,
  
  
  Kind regards
  Dariyoosh

  You must have defined DGPAPROD. WORLD in tnsnames.oar on the server where DB is runnig.

• ORA-12154 error using SQL PLUS

  I have no problems connecting using SQL Developer, but I'm having issues using SQL Plus or command prompt. I also set the Oracle_home and SID and still it fails with the following message. Is there anything I can check?
  
  ORA-12154: TNS could not resolve the connect identifier
  
  The same account and tnsnames work well using SQL Developer.

  BSK wrote:
  Here's the info. Not sure why only SQL MORE fails to solve the connection identifier when the SQL Developer works very well.

  tnsnames.ora

  B51 =
  (DESCRIPTION =
  (SDU = 32768)
  (ADDRESS = (PROTOCOL = TCP (PORT = 1527))(HOST = hostname.com))
  (CONNECT_DATA =
  (SERVICE_NAME = B51)
  )
  )

  SQLNET.ora

  sqlnet.ora # Network Configuration file: C:\oracle\product\11.2.0\client_1\network\admin\sqlnet.ora
  # Generated by Oracle configuration tools.

  # This file is actually generated by netca. But if customers can opt for
  # install 'Software Only', this file does not 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)

  That's what I'm trying:

  view the results at the bottom

  sqlplus username/passwd@'hostname.com:1527/B51'

• Another Post on 'could not resolve identifier' ORA-12154

  Hi experts,
  
  A new installation of 11g and I CAN connect to the database via SQLPlus but I get ORA-12154 error when you try to connect through RMAN.
  
  I used the EZCONNECT parameter in netca
  
  SQLNET. ORA NAMES_DIRECTORY_PATH a = (EZCONNECT)
  
  
  Any ideas for what I can check, please?
  
  Thank you, John

  user629010 wrote:
  Hi experts,

  A new installation of 11g and I CAN connect to the database via SQLPlus but I get ORA-12154 error when you try to connect through RMAN.

  I used the EZCONNECT parameter in netca

  SQLNET. ORA NAMES_DIRECTORY_PATH a = (EZCONNECT)

  Any ideas for what I can check, please?

  Thank you, John

  The connection string, you really used to connect knowing would have been helpful...

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

  This error means one thing and one thing only. The customer couldn't find the entry specified in the tnsnames.ora file being used.

  Following this statement, remember that when you use a dblink, the database that defines the link acts as a client to the database that is the target of the link. So in this case, the tnsnames.ora on the host of your source file must have an entry for your db target, 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 someone tells you to check a listener in response to ora-12154, they do not pay attention, or do not understand how works the TNS. This error is equivalent to not be able to place a phone call because you do not know the number of the part you want to reach. You would not debug this situation by going to the home of the other guy and test his phone, or by accessing the phone company and the standard test. And you are debugging an ORA-12154 by checking the listener. If I had a list of ten albums of 'Incredibly Simple Concepts (tm)' which must be burned in the brain of anyone claiming to be an Oracle DBA, it would include "ORA-12154 has nothing to do with the listener.

  =================================

  Suppose 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@larry
  

  TNS will appear in your tnsnames.ora for an entry called "larry". Then, tns sends a request to (PORT = 1521) on (HOST = myhost) to aid (PROTOCOL = TCP), requesting a connection to (SERVICE_NAME = curley).

  Where's (HOST = myhost) on the network? When the request is passed to tns to the next layer in the network stack, the name "myhost" resolves to an IP address, either via a file 'hosts' local, through DNS, or possibly other mechanisms being used less. Alternatively, you can hard-code the IP (HOST = 123.456.789.101) in the tnsnames.ora.

  Then, the request arrives at port 1521 myhost. If all goes well, there is a listener on myhost configured to listen on port 1521, and this listener knows SERVICE_NAME = curley. If so, you'll be connected.

  A few important points.

  First, the listener is a process only server-side . It's all in life seeks applications for reception for connections to the databases and set up these connections. Once the connection is established, the listener is out of the picture. It creates the connection. Is not maintain the connection. A listener, linking an oracle of the House, listening on a single port, use multiple instances of database in several versions of several houses. It is unnecessary complexity to try to have several headphones. It's like the telephone company, to build a separate table for each customer.

  Secondly, the tnsnames.ora file is a problem on the client side . Its purpose is to address resolution - the equivalent of the 'hosts' file tns further to the bottom of the network stack. The only reason it exists on a host computer is because this machine also can run client processes.

  What can go wrong?

  First, there may not be an entry for 'larry' in your tnsnames file. In this 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 cannot place a phone call because you do not know the number (cannot find your phonebook (tnsnames.ora) or can not find the party looking for listed in it (no entry for larry)) you don't look at problems at the switchboard.

  Perhaps the entry for larry was found, but myhost could not be resolved to an IP address (for example there is no entry for myhost in the local hosts file). This will mean by "ORA-12545: Connect failed because target host or object does not exist.

  Maybe there is an entry for MyServer in the local hosts file, but it specified a bad IP address. This will mean by "ORA-12545: Connect failed because target host or object does not exist.

  Maybe the INVESTIGATION period was good, but there is no listener running: "ORA-12541: TNS:no listener.

  Maybe the INVESTIGATION period was good, there is a listener to myhost, but he is listening on a different port. "ORA-12560: TNS:protocol adapter error.

  Maybe the INVESTIGATION period was good, there is a listener to myhost, listening on the specified port, it's unknown SERVICE_NAME = curley. "ORA-12514: TNS:listener is not currently of service requested in connect descriptor.

• ORA-12154 with 11g and heterogeneous services

  Hello
  I have a procedure that bring data from a mysql on a service of HS server.
  In 10G has worked very well, but after I migrated to 11g, weird things happen.
  If I ran the procedure (or work that calls it) directly from sqlplus, it's fine, but if I schedule a task to run this procedure, he breaks up with: ORA-12154: TNS: could not resolve the connect identifier specified.
  It's like some environmental parameters or the rights are missing when this work is performed automatically.
  So what's changed in 11g?
  
  
  Any help is appreciated,
  Thank you

  ORA-12154: ALWAYS occurs only on SQL Client & not SQL * Net packets never leave client system
  ORA-12154 NEVER involves the listener, the database itself or whatever it is on the DB server.
  ORA-12154 occurs when the client wants to connect to a DB Server system by using a connection string.
  AMT-03505 is thrown by tnsping & is the same error ORA-12154 thrown by sqlplus or others.
  The find operation fails because the supplied name can NOT be resolved at any remote DB.
  The analogous operation would be when you wanted to call someone, but did not find their name in any directory.
  The most common cause for ORA-12154 error is when the connection alias cannot be found in tnsnames.ora.
  The research of the alias operation can have an impact on the content of the sqlnet.ora file. DOMAIN entry specifically.
  So after the content of the sqlnet.ora file.
  TROUBLESHOOTING GUIDE: ORA-12154 & TNS-12154 TNS: could not resolve service name [114085.1 ID]
  http://edstevensdba.WordPress.com/2011/02/26/ora-12154tns-03505/

• DB Link error: ORA-12154: TNS: could not resolve the connect identifier specified

  Hi all

  We need to make an entry in the tnsname.ora file in a local database to connect to the remote database using db link?

  Here is my code: -.

  create the database link * _DBLINK

  connect to the USER IDENTIFIED BY 'user '.

  using '(DESCRIPTION =)

  (ADDRESS_LIST =

  (ADDRESS = (PROTOCOL = TCP) (HOST = *. *. *. *)(PORT = 1521))

  )

  (CONNECT_DATA = (SERVICE_NAME = REM)

  )';

  After the creation of the DB connection when I'm trying to run select 1 of dual@***_DBLINK

  He throws me an error ORA-12154: TNS: could not resolve the connect identifier specified

  Am I expected to do an entry in the file tnsname.ora for "REM". I don't remember making any changes in the file tnsname.ora for the creation and access of the remote database via dblink.

  Help, please.

  Thanks in advance.

  2925917 wrote:

  Hi all

  We need to make an entry in the tnsname.ora file in a local database to connect to the remote database using db link?

  Here is my code: -.

  create the database link * _DBLINK

  connect to the USER IDENTIFIED BY 'user '.

  using '(DESCRIPTION =)

  (ADDRESS_LIST =

  (ADDRESS = (PROTOCOL = TCP) (HOST = *. *. *. *)(PORT = 1521))

  )

  (CONNECT_DATA = (SERVICE_NAME = REM)

  )';

  After the creation of the DB connection when I'm trying to run select 1 of dual@***_DBLINK

  He throws me an error ORA-12154: TNS: could not resolve the connect identifier specified

  Am I expected to do an entry in the file tnsname.ora for "REM". I don't remember making any changes in the file tnsname.ora for the creation and access of the remote database via dblink.

  Help, please.

  Thanks in advance.

  I've learned to trust in your obfuscation you covered something important, or you are showing some apples and oranges.  Error to declare you come from not being able to find referenced in tnsnames.ora entry, but the way you say you created your link db, you hardcoded the entire connection, so he never users tnsnames.ora.

  I would change the definition of db_link

  create the database link * _DBLINK

  connect to the USER IDENTIFIED BY 'user '.

  using "REM."

  Then create an entry in your tnsnames.ora

  REM =

  (DESCRIPTION =

  (ADDRESS_LIST =

  (ADDRESS = (PROTOCOL = TCP) (HOST = *. *. *. *)(PORT = 1521))

  )

  (CONNECT_DATA = (SERVICE_NAME = REM)

  )

  )

  Also, use server name instead of the HOST = IP address

  The closer looks that you can miss brackets final closing on your original definition.

• Unable to connect, ORA-12154, the installation routine to find ODBC Microsoft errors

  Hi all
  
  I have a 64-bit Windows 7 Enterprise SP1 system and I wanted to be able to connect to an oracle database server. However, I am facing a problem with the ODBC configuration.
  
  I currently installed both below in... product\11.2.0\client_1 folder:
  1 oracle Database 11 g Release 2 (11.2.0.1.0) Client for Microsoft Windows (x 64) - http://www.oracle.com/technetwork/database/windows/downloads/index-090165.html
  2 64 - bit components (ODAC) data access Oracle - http://www.oracle.com/technetwork/database/windows/downloads/index-090165.html
  
  I launched the ODBC data sources administrator and added a user DSN but gave rise to two errors:
  1. the Setup for the Microsoft ODBC driver ODBC routines oracle is not found. Please you reintall the pilot.
  2. the specified DSN contains a mismatch of architecture between the driver and the application.
  
  In addition to that, if I go to the system DSN tab and tried to test the connection it gives me an error:
  1. cannot connect SQLState = 08004 [Oracle] [ODBC] [Ora] ORA-12154: TNS: can not solved the specified identifier.
  
  Anyone can guide me please thanks to this? Thanks in advance!
  
  Published by: VTech on February 26, 2013 14:13

  VTech wrote:
  Hi all

  I have a 64-bit Windows 7 Enterprise SP1 system and I wanted to be able to connect to an oracle database server. However, I am facing a problem with the ODBC configuration.

  I currently installed both below in... product\11.2.0\client_1 folder:
  1 oracle Database 11 g Release 2 (11.2.0.1.0) Client for Microsoft Windows (x 64) - http://www.oracle.com/technetwork/database/windows/downloads/index-090165.html
  2 64 - bit components (ODAC) Oracle data access - http://www.oracle.com/technetwork/database/windows/downloads/index-090165.html

  It is enough that one of them (the other should be enough).

  I launched the ODBC data sources administrator and added a user DSN but gave rise to two errors:
  1. the Setup for the Microsoft ODBC driver ODBC routines oracle is not found. Please you reintall the pilot.

  "Microsoft ODBC for Oracle" is a different provider than 'Oracle ODBC'. Make sure that you do not use Microsoft one.

  2. the specified DSN contains a mismatch of architecture between the driver and the application.

  This can happen if you mix 32-bit and 64-bit. There are two ODBC Control Panel in Windows 7:
  -64-bit, one is that of the Panel
  -the 32 bit one is c:\windows\syswow64\odbcad32.exe

  Because you use an Oracle 64-bit driver, you must use the 64-bit ODBC Administrator and 64-bit applications. If you try to use this ODBC connection with a 32-bit application, you will need to use the 32-bit ODBC (and the driver Oracle 32-bit).

  In addition to that, if I go to the system DSN tab and tried to test the connection it gives me an error:
  1. cannot connect SQLState = 08004 [Oracle] [ODBC] [Ora] ORA-12154: TNS: can not solved the specified identifier.

  Well it actually means that it loads correctly, Oracle is something. You must add an entry for the server you want to connect in tnsnames.ora, located in the folder \network\admin inside your Oracle client installation. Because it looks like someone else set up the server that you want to connect, your DBA should be able to provide the information that is written to the file.

• error ORA-12154 tns

  I gave my hours 7, no way... the database 11g EM works without any problem... but the CMD menu when I try to connect to sqlplus, no link... I get the classic error ora-12154 tns... I also have Developer oracle adapt in my pc. both work without a problem, I mean database and oracle dev suit work well. no connection problem.but I told you with the sqlplus I problem. no connection. I deleted listener add meaning new one .no... the problem is that I haven't studied with oracle recently, I'm very rusty even though I am a certified dba 10 g, I forgot many things... pls help me friends... What can I do to fix this? I stop my firewall on windows... had not led at all... and also to restart all the services of ora... does not effect... and yet one thing when I checked the ora of the listener, tnsnames etc. I realized I have several listeners and sqlnet files this weird extensions such as listener11122712AM2407.ora and sqlnet11122712AM2407... pls help
  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  Listener.ora
  
  listener.ora # Network Configuration file: C:\app\ada\product\11.2.0\dbhome_1\network\admin\listener.ora
  # Generated by Oracle configuration tools.
  
  SID_LIST_LISTENER =
  (SID_LIST =
  (SID_DESC =
  (SID_NAME = CLRExtProc)
  (ORACLE_HOME = C:\app\ada\product\11.2.0\dbhome_1)
  (= Extproc PROGRAM)
  (ENVS = "EXTPROC_DLLS=ONLY:C:\app\ada\product\11.2.0\dbhome_1\bin\oraclr11.dll")
  )
  )
  
  LISTENER =
  (DESCRIPTION_LIST =
  (DESCRIPTION =
  (ADDRESS = (PROTOCOL = TCP) (HOST = ada - PC) (PORT = 1521))
  (ADDRESS = (PROTOCOL = CIP)(KEY = EXTPROC1521))
  )
  )
  
  ADR_BASE_LISTENER = C:\app\ada
  
  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  SQLNet
  
  
  
  # This file is actually generated by netca. But if customers can opt for
  # install 'Software Only', this file does not exist and without the native
  authentication #, they will not be able to connect to the database on NT.
  
  SQLNET. AUTHENTICATION_SERVICES = (NTS)
  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  tnsnames
  
  
  tnsnames.ora # Network Configuration file: C:\app\ada\product\11.2.0\dbhome_1\network\admin\tnsnames.ora
  # Generated by Oracle configuration tools.
  
  ORACLR_CONNECTION_DATA =
  (DESCRIPTION =
  (ADDRESS_LIST =
  (ADDRESS = (PROTOCOL = CIP)(KEY = EXTPROC1521))
  )
  (CONNECT_DATA =
  (SID = CLRExtProc)
  (PRESENTATION = RO)
  )
  )
  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  When I posted my first response, I guess you are trying to connect to your database that is running on the same server, i.e. locally. So I wanted to make sure DOB connections are ok. But appearantly not. You get the ORA-12560 error when "/ as sysdba".

  To do so below if my hypothesis is correct:

  1. go to the command prompt
  2. set the ORACLE_HOME =
  3. set ORACLE_SID =
  4. set the path ="/ bin"
  5 sqlplus "/ as sysdba".
  If it works, output
  6. now try sqlplus .

  Paste the result.

• Error: Unable to connect... SQLState = 08004... [Oracle] [ODBC] [Ora] ORA-12154:...

  Hi Experts/gurus,
  
  I am trying to create a new data source with Oracle 11 g driver with the details below:
  
  Name of the data source: PeopleSoft
  Description:
  The TNS Service name: HR91PEN
  User ID: sysadm
  Password: SysAdm1n
  
  When I click on connect Test I got this error below:
  
  Error:
  Unable to connect
  SQLState = 08004
  [Oracle] [ODBC] [Ora] ORA-12154: TNS: could not resolve the connect identifier specified
  
  Help, please.
  
  Thank you very much...
  JP

  Hello

  try to use the tnsping to see if you have the connection to the database of tehe.

  Let me know.

  Kind regards
  Gianluca

• Ora exp error 12154 meeting using rhel 5.5 64bits, oracle 10 g 2

  Dear Sirs, Hello can somebody highlight which files I have to make corrections.
  
  I noticed that the work of sqlplus network very well where the machine local exp this error,
  
  Export: Release 10.2.0.5.0 - Production on sat 8 Jan 16:25:24 2011
  
  Copyright (c) 1982, 2007, Oracle. All rights reserved.
  
  
  EXP-00056: ORACLE error 12154
  ORA-12154: TNS: could not resolve the connect identifier specified
  EXP-00000: export completed unsuccessfully
  
  Kind regards

  Hello

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

  This link can guide you:

  http://www.error-code.org.UK/view.asp?e=Oracle-ora-12154

  More, if you detail the exact declaration you run, he can help us.

  Do specify you ORACLE_SID before running the Export statement?

  Hope this helps.
  Best regards
  Jean Valentine

  Published by: Lubiez John Valentine's day January 8, 2011 14:50

• DB Link error: ORA-12154: TNS: could not resolve the connect identifier...

  All,
  
  Help, please. I get the error above despite all I know to do:
  
  tnsnames.ora entry for the remote database (it is what is on the local database):
  
  ORACLE6. STAGING =
  (DESCRIPTION =
  (ADDRESS_LIST =
  (ADDRESS = (PROTOCOL = TCP)(HOST = oracle6.staging.hobank.net) (PORT = 1521))
  )
  (CONNECT_DATA = (SERVICE_NAME = banksys))
  )
  
  
  The following works without problems of local database to a remote database:
  
  On the local database:
  
  sqlplus kay/[email protected]
  ...
  ...
  
  Connected to:
  Oracle Database 10 g Enterprise Edition Release 10.2.0.2.0 - 64 bit Production
  With partitioning, OLAP and Data Mining options
  
  SQL > select * from emp;
  
  EMPNO, ENAME, JOB HIREDATE SAL COMM MGR
  ---------- ---------- --------- ---------- --------- ---------- ----------
  DEPTNO
  ----------
  2 Kay Baffy DBA 1 6 November 10 50000.25
  2
  
  * These data are correct and comes from the remote database *.
  
  Next, I created the database link that is connected to the local database:
  
  create the database public link oracle6.staging
  connect to identified by kay kay
  using 'oracle6.staging ';
  
  Database link created.
  
  !!! But the following does not work:
  
  SQL > select * from [email protected];
  Select * from [email protected]
  *
  ERROR on line 1:
  ORA-12154: TNS: could not resolve the connect identifier specified
  
  
  I am sure of the following:
  
  1 DB link has been created on the local database.
  2 oracle6.staging entry is tnsnames.ora
  3. I am able to connect to a remote database with: sqlplus kay/[email protected]
  
  * Any help will be be appreciated.* *.
  
  Thanks in advance.
  
  Baffy

  See the link:-hope, it will be useful for you.

  Troubleshooting of database links
  http://www.akadia.com/services/ora_dblinks.html

  Kind regards

• Please help: System freezes with error message "generic host process for win32 services has encountered an error and needs to close."

  Please can anyone offer help - whenever I start my PC it freezes
  then displays an error message "generic host process for win32 services has.
  encountered an error and needs to close. »

  In this error message, I get more information:

  szAppName: svchost.exe szAppVer: 5.1.2600.2180 szModName: ntdll.dll
  szModVer: 5.1.2600.2180 offset: 000122ba

  more information:

  C:\DOCUME~1\Joe\LOCALS~1\Temp\WERd9dd.dir00\svchost.exe.mdmp
  C:\DOCUME~1\Joe\LOCALS~1\Temp\WERd9dd.dir00\appcompat.txt

  I tried a lot of things: update drivers, run Ccleaner to check the registry,.
  checked for malware, Virus, uninstall xp service pack 3... Is there
  anything else I can try?

  After I clicked through the error messages above appears the taskbar
  Crash, then reappears, but with graphic reduction (gray color)

  I checked "Event Viewer" in "control panel" from here I get
  the following error message:

  Failed application svchost.exe, version 5.1.2600.2180, failed module
  ntdll.dll, version 5.1.2600.2180, fault 0x000122ba address.

  0000: 41 70 70 6 c 69 63 61 74 Applicat
  0008: 69 6th 6f 20 46 61 69 6 c ion Fail
  0010: 75 72 65 20 20 73 76 63 ure svc
  0018: 68 6f 73 74 2nd 65 78 65 host.exe
  0020: 20 35 2 2 31 32 36 30 5.1.260
  0028: 30 2 32 31 38 30 20 69 0.2180 I
  0030: 6th 6f 20 74 64 6 c 6 c 2nd n ntdll.
  0038: 64 6 c 6 c 20 35 2e 31 2nd dll 5.1.
  0040: 32 36 30 30 2 32 31 38 2600.218
  0048: 30 20 61 74 6f 20 66 66 0-off
  0050: 73 65 74 20 30 30 30 31 the value 0001
  0058: 32 32 62 61 22ba

  also an another error at the time of the accident

  0000: 42 75 63 6 b 65 74 3 has 20 bucket:
  0008: 31 32 39 36 37 35 38 33 12967583
  0010: 36 0D 0 to 6...

  Fault 129675836 bucket.

  I am extremely grateful for any help, this problem is about to drive me
  crazy!

  I solved my problem...

  To temporarily disable closing kick, after that the warning popup will appear, I went the prompt commands and typed in 'shutdown-a' so I could help out.

  Then I went in under the Application Event Viewer and saw that some services weird I don't need anyway did not start because they had missing information/dll registry info.  It was originally the svchost.exe service to fail (and default recovery for this is to reboot)

  I stopped the weird service (in this case, it was Hello) because I didn't need anyway, and went into the properties of this service and past earlier in "Manual" "automatic".

  Good luck