ORA-12560, 00000, "TNS:protocol adapter error"

ORA-12560, 00000, "TNS:protocol adapter error"
Please how can i resolve this issue and were do i go on my db server to resolve it.
Thank You.
Edited by: SEUN on Feb 17, 2010 5:37 PM
Edited by: SEUN on Feb 17, 2010 5:39 PM

Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Prod
PL/SQL Release 10.2.0.3.0 - Production
CORE 10.2.0.3.0 Production
TNS for 32-bit Windows: Version 10.2.0.3.0 - Production
NLSRTL Version 10.2.0.3.0 - Production

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Oracle 64bit Server (From JD Edwards) and oracle 32 bit client showing ORA:12560 "TNS: protocol adapter error "??

I installed 64bit Oracle successfully and was able to connect to DB using SQL Developer and sqlplus (Oracle E1local and TNSListener is up and running). I installed Oracle 32bit client and copied both tnsnames.ora and sqlnet.ora files to C:\app\Administrator\product\11.2.0\client\Network\admin. But if i am trying to access DB through Oracle 32bit client (thru cmd as sqlplus /sys as sysdba or thru sqlplus , it is throwing ORA:12560. "TNS: protocol adapter error ". (Both 62bit server and 32 client on same VM machine - Windows 2008 R2 ). I directly executed sqlplus from "C:\app\Adm\....client\bin", but it is still throwing same error and because of this JDEdward installation is not able to find if any database is running or not.!
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Please help me with the problem. Thanks in advance.

Thread moved from Peoplesoft forum to JD Edwards.
Nicolas.

ORA-12560: TNS protocol adapter error for 11g

I'm attempting to install Oracle 11g in my Windows 2008 Doamin machine.
During the installation of database configuration assistant, I got the
pop up error "ORA-12560: TNS protocol adapter error." I tried it
twice and still failed. I have no idea what's going on. Any ideas?

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Unable to create database due to ORA-12560, TNS protocol adapter error

Hello,
I'm trying to create an 8.1.7.0 database on a W2k server, but it is failing because as soon as svrmgrl is launched, I get an ORA-12560, TNS: protocol adapter error:
D:\oracle\db_creation_scripts>D:\oracle\ora81\bin\svrmgrl @D:\oracle\db_creation_scripts\mterm62run.sql
Oracle Server Manager Release 3.1.7.0.0 - Production
Copyright (c) 1997, 1999, Oracle Corporation. All Rights Reserved.
ORA-12560: TNS:protocol adapter errorEcho ON
SVRMGR> connect INTERNAL/manager
ORA-12560: TNS:protocol adapter error
SVRMGR> startup nomount pfile="D:\oracle\admin\mterm62\pfile\initmterm62.ora"
LCC-00161: Message 161 not found; product=RDBMS; facility=MGR
My ORACLE_HOME, ORACLE_SID, and TNS_ADMIN environmental variables are correctly set, and I'm able to tnsping the listener.
I've enabled tracing, and my client trace file is:
--- TRACE CONFIGURATION INFORMATION FOLLOWS ---
New trace stream is d:\trace\client_trace.log_2084_9.trc
New trace level is 6
--- TRACE CONFIGURATION INFORMATION ENDS ---
--- PARAMETER SOURCE INFORMATION FOLLOWS ---
Attempted load of system pfile source d:\oracle\ora81\network\admin\sqlnet.ora
Parameter source loaded successfully
Attempted load of local pfile source D:\oracle\db_creation_scripts\sqlnet.ora
Parameter source was not loaded
-> PARAMETER TABLE LOAD RESULTS FOLLOW <-
Successful parameter table load
-> PARAMETER TABLE HAS THE FOLLOWING CONTENTS <-
TRACE_DIRECTORY_SERVER = d:\trace
TRACE_DIRECTORY_CLIENT = d:\trace
NAMES.DIRECTORY_PATH = (TNSNAMES, HOSTNAME)
SQLNET.CRYPTO_SEED = 4fhfguweotcadsfdsafjkdsfqp5f201p45mxskdlfdasf
TRACE_FILE_CLIENT = client_trace.log
TRACE_FILE_SERVER = server_trace.log
SQLNET.AUTHENTICATION_SERVICES = (NTS)
TRACE_UNIQUE_CLIENT = on
TRACE_LEVEL_CLIENT = ADMIN
TRACE_LEVEL_SERVER = ADMIN
--- PARAMETER SOURCE INFORMATION ENDS ---
--- LOG CONFIGURATION INFORMATION FOLLOWS ---
Log stream will be "D:\oracle\db_creation_scripts\sqlnet.log"
Log stream validation not requested
--- LOG CONFIGURATION INFORMATION ENDS ---
nigini: entry
nigini: Count in NI global area now: 1
nigini: Count in NI global area now: 1
nrigbi: entry
nrigbni: entry
nrigbni: Unable to get data from navigation file tnsnav.ora
nrigbni: exit
nrigbi: exit
nigini: exit
niqname: Hst is already an NVstring.
niqname: Inserting CID.
niotns: entry
niotns: niotns: setting up interrupt handler...
niotns: Not trying to enable dead connection detection.
niotns: Calling address: (DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=BEQ)(PROGRAM=oracle)(ARGV0=oracleMTERM62)(ARGS='(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))')))(CONNECT_DATA=(SID=MTERM62)(CID=(PROGRAM=D:\oracle\ora81\bin\SVRMGRL.EXE)(HOST=SERV0354)(USER=tarisa))))
nsmal: 140 bytes at 0x12493f0
nscall: connecting...
nladini: entry
nladini: exit
nladget: entry
nladget: exit
nlpcaini: entry
nlpcaini: prg =
nlpcaini: arg[0] =
nlpcaini: arg[1] =
nlpcaini: exit
nsmal: 420 bytes at 0x12542f0
nsmal: 1712 bytes at 0x12572f0
nsopen: opening transport...
ntpcon: entry
ntpcon: toc = 1
sntpcall: entry
snlpcss: entry
ntpcon: exit
nserror: nsres: id=0, op=65, ns=12560, ns2=0; nt[0]=530, nt[1]=2, nt[2]=0; ora[0]=0, ora[1]=0, ora[2]=0
nsopen: unable to open transport
nsmfr: 1712 bytes at 0x12572f0
nsmfr: 420 bytes at 0x12542f0
nladget: entry
nladget: exit
nsmfr: 140 bytes at 0x12493f0
nladtrm: entry
nladtrm: exit
nioqper: error from nscall
nioqper: nr err code: 0
nioqper: ns main err code: 12560
nioqper: ns (2) err code: 0
nioqper: nt main err code: 530
nioqper: nt (2) err code: 2
nioqper: nt OS err code: 0
niomapnserror: entry
niqme: entry
niqme: reporting NS-12560 error as ORA-12560
niqme: exit
niomapnserror: returning error 12560
niomapnserror: exit
niotns: Couldn't connect, returning 12560
niotns: exit
nigtrm: Count in the NI global area is now 0
nnfgdei: entry
nrigbd: entry
nrigbd: exit
nigtrm: Count in the NL global area is now 0
My tnsnames, listener and sqlnet.ora files are very simple:
## BEGIN TNSNAMES.ORA
# TNSNAMES.ORA Network Configuration File: D:\oracle\ora81\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.
MTERM62 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.3.1.75)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = mterm62)
(INSTANCE_NAME = mterm62)
INST1_HTTP =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.3.1.75)(PORT = 1521))
(CONNECT_DATA =
(SERVER = SHARED)
(SERVICE_NAME = mterm62)
(PRESENTATION = http://admin)
# LISTENER.ORA Network Configuration File: D:\oracle\ora81\NETWORK\ADMIN\listener.ora
# Generated by Oracle configuration tools.
LISTENER =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = serv0354)(PORT = 1521))
SID_LIST_LISTENER =
(SID_DESC =
(ORACLE_HOME = D:\oracle\ora81)
(SID_NAME = mterm62)
TRACE_LEVEL_LISTENER = ADMIN
# SQLNET.ORA Network Configuration File: D:\oracle\ora81\NETWORK\ADMIN\sqlnet.ora
# Generated by Oracle configuration tools.
TRACE_DIRECTORY_CLIENT = d:\trace
TRACE_UNIQUE_CLIENT = on
TRACE_DIRECTORY_SERVER = d:\trace
SQLNET.AUTHENTICATION_SERVICES= (NTS)
TRACE_FILE_CLIENT = client_trace.log
TRACE_FILE_SERVER = server_trace.log
TRACE_LEVEL_CLIENT = ADMIN
TRACE_LEVEL_SERVER = ADMIN
NAMES.DIRECTORY_PATH= (TNSNAMES, HOSTNAME)
SQLNET.CRYPTO_SEED = 4fhfguweotcadsfdsafjkdsfqp5f201p45mxskdlfdasf
Does anyone have any ideas what else I can check. I'm a Unix person, not a Windows person, which is making it even more complicated. If I was on Unix, I'd just blow everything away and start again from scratch, but since I'm not sure how to remove all traces from the registry, etc., I don't want to try that on this machine. There was already one other database created, but it's not goign to be used.
Any help would be greatly appreciated.
regards,
Tarisa.

hi,
thanks for the info. the problem, as it turns out, was that I was connected to the db server via a terminal service (Microsoft Management Console), which for some reason caused probelms with TNS. After I connected directly to the machine using VNC, I was able to create the database with no problems. strange but true.
regards,
Tarisa.

TNS-12560: TNS:protocol adapter error, ORA-12535: TNS:operation timed out

I installed Oracle 9i (9.2.0.1.0) on a Windows XP machine (the machine is in a domain). There were no errors during the instalation, but I have problems connecting from the same machine using the sid. Here are some examples from a command promt:
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TNS Ping Utility for 32-bit Windows: Version 9.2.0.1.0 - Production on 31-OCT-20
08 17:43:22
Copyright (c) 1997 Oracle Corporation. All rights reserved.
Used parameter files:
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)
(HOST = timisoara01)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = orcl9i)))
TNS-12560: TNS:protocol adapter error
D:\>sqlplus "sys/pass@orcl9i as sysdba"
SQL*Plus: Release 9.2.0.1.0 - Production on Fri Oct 31 17:54:54 2008
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
ERROR:
ORA-12535: TNS:operation timed out
Enter user-name:If I don't use the sid I can connect:
D:\>sqlplus "sys/pass as sysdba"
SQL*Plus: Release 9.2.0.1.0 - Production on Fri Oct 31 18:05:46 2008
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
Connected to:
Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production
With the OLAP and Oracle Data Mining options
JServer Release 9.2.0.1.0 - Production
SQL>If I go to services I see that the service is running: OracleServiceORCL9I Started.
Thx.

Yes, the XP firewall is running. During the Oracle instalation it poped up twice, but I selected 'Unblock'. I can't turn it off because it is running using the domain settings, but I can add exceptions (programs or ports). Port 1521, tnsping or sqlplus are not blocked and there is an option 'Display a notification when Windows Firewall blocks a program' witch is checked.

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Hi, I installed Oracle developer suite to use for Oracle forms but am getting "ORA-12560: TNS:protocol adapter error" when trying to run a form. The database is running locally on my PC.
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# Generated by Oracle configuration tools.
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(CONNECT_DATA =
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(ADDRESS = (PROTOCOL = TCP)(HOST = frankenputer)(PORT = 1522))
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I'm trying to use sqlplus on Windows 2008 R2 which is installed on VirtualBox to access an Oracle 11gR2 database on Red Hat Linux.
I'm sure that the database on Red Hat Linux is up and tnsnames.ora is a copy from another machine which is used by another application to connect to the same Oracle database.
When I run sqlplus, I got the ORA-12560: TNS:protocol adapter error.
sqlnet.ora
SQLNET.AUTHENTICATION_SERVICES = (NTS)
Both sqlnet.ora and tnsnames.ora are located in c:\app\administrator\product\11.2.0\client64\network\admin folder.
The registry ORACL_HOME has c:\app\administrator\product\11.2.0\client64.
echo %ORACLE_HOME% incommand window returns %ORACLE_HOME%
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If I set ORACLE_HOME to another folder, I will get the following error:
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I have also tried set ORACLE_SID to the service name listed in tnsnames.ora but sqlplus still returns the ORA-12560:TNS:protocol adapter error.
For unknown reason, the value of ORACLE_HOME and ORACLE_SID I set by using set command will not persist after I close the command window that I set the values.

881656 wrote:
I'm trying to use sqlplus on Windows 2008 R2 which is installed on VirtualBox to access an Oracle 11gR2 database on Red Hat Linux.
I'm sure that the database on Red Hat Linux is up and tnsnames.ora is a copy from another machine which is used by another application to connect to the same Oracle database.
When I run sqlplus, I got the ORA-12560: TNS:protocol adapter error.
sqlnet.ora
SQLNET.AUTHENTICATION_SERVICES = (NTS)
It make NO sense do to as above when attempting to connect to Oracle DB on *NIX
which knows NOTHING about NTS Authentication.
SQLNET.AUTHENTICATION_SERVICES = (NONE)
or just remove the line or whole file.
Also need to be sure that ipchains is disabled on *NIX system

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Hi ,
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Thanks,

Here are my config files.
On SERVER
listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME =/u01/app/oracle/product/10.2.0/db_1)
(PROGRAM = extproc)
(SID_DESC =
(SID_NAME = db10g)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
(PROGRAM = extproc1)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = xxxxx)(PORT = 1521))
(ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
sqlnet.ora
# Generated by Oracle configuration tools.
SQLNET.AUTHENTICATION_SERVICES = (NTS)
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT, HOSTNAME)
tnsnames.ora
# Generated by Oracle configuration tools.
DB10G =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = xxxx)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = DB10G.WORLD)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
now when I issue lsnrctl start db10g i am getting following error.
TNS-01151: Missing listener name, db10g, in LISTENER.ORA
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Oracle 9i database server ORA-12560: TNS: Protocol adapter error ?

My OS windows xp 2002 sp2. im using oracle 9i database server .I cant login Oracle sql * plus when in going Enter user name and password “ scott and tiger “ then I got problem here is the message is below :
SQL*Plus: Release 9.0.1.0.1 - Production on Sat Mar 13 03:12:47 20
(c) Copyright 2001 Oracle Corporation. All rights reserved.
Error :
ORA-12560: TNS: Protocol adapter error
Any one help me please. Please let me know how can I slove or fix the problem ?
how can im going to login Oracle 9i database Sql Plus ? anywany other fix this problem ?
Edited by: shajib on Mar 12, 2010 1:31 PM

Step 1 - from a command line on the database machine, enter 'lsnrctl status' and report the output
Step 2 - display the contents of the %ORACLE_HOME%\network\admin\tnsnames.ora file on the machine running sqlplus.
These are the first two stepo, whether on the database machine or in a traditional client-server configuration.

Urgent!!! ERROR: ORA-12560 TNS: protocol adapter error

Recently we tried to install a new product with a new dataabse instance. Since doing this SQLPLUS replies with:
ERROR: ORA-12560
TNS: protocol adapter error
I have looked at my tnsnames.ora and listener.ora and everything looks fine. I am hoping someone here can shed some light on this for me... Is it possible something got corrupted?
Here is my file settings...
# TNSNAMES.ORA Network Configuration File: C:\oracle\ora92\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
ORACLE9I.GESDev =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = GESDev)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = oracle9i)
EXTPROC_CONNECTION_DATA.GESDev =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
INST1_HTTP.127.0.0.1 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = GESDev)(PORT = 1521))
(CONNECT_DATA =
(SERVER = SHARED)
(SERVICE_NAME = MODOSE)
(PRESENTATION = http://HRService)
# 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 = TCP)(HOST = GESDev)(PORT = 1521))
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\ora92)
(PROGRAM = extproc)
(SID_DESC =
(GLOBAL_DBNAME = oracle9i)
(ORACLE_HOME = C:\oracle\ora92)
(SID_NAME = intellikit)
# SQLNET.ORA Network Configuration File: C:\oracle\ora92\network\admin\sqlnet.ora
# Generated by Oracle configuration tools.
NAMES.DEFAULT_DOMAIN = GESDev
SQLNET.AUTHENTICATION_SERVICES= (NTS)
NAMES.DIRECTORY_PATH= (TNSNAMES, ONAMES, HOSTNAME)

C:\>lsnrctl services
LSNRCTL for 32-bit Windows: Version 9.2.0.1.0 - Production on 17-AUG-2006 09:30:50
Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=GESDev)(PORT=1521)))
Services Summary...
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 "intellikitXDB" has 1 instance(s).
Instance "intellikit", status READY, has 1 handler(s) for this service...
Handler(s):
"D000" established:0 refused:0 current:0 max:1002 state:ready
DISPATCHER <machine: GESDEV, pid: 316>
(ADDRESS=(PROTOCOL=tcp)(HOST=GESDev.gesldap.4point.com)(PORT=1038))
Service "oracle9i" has 2 instance(s).
Instance "intellikit", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0
LOCAL SERVER
Instance "intellikit", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
The command completed successfully
C:\>

How to solve the ORA-12560: TNS:protocol adapter error

    Hello All,
          when i am am trying to connecting the database i am getting the error ORA-12560: TNS:protocol adapter error
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Windows\system32>set oracle_sid=QUANTUM
C:\Windows\system32>sqlplus / as sysdba
SQL*Plus: Release 11.2.0.3.0 Production on Mon Jul 15 12:54:50 2013
Copyright (c) 1982, 2011, Oracle. All rights reserved.
ERROR:
ORA-12560: TNS:protocol adapter error
Enter user-name:
My TNS File is below : -
# tnsnames.ora Network Configuration File: C:\app\Onkar\product\11.2.0\dbhome_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
QVS =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = qvs)
LISTENER_QVS =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
ORACLR_CONNECTION_DATA =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    (CONNECT_DATA =
      (SID = CLRExtProc)
      (PRESENTATION = RO)
ORCL =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
Oradb11g_home1=
(DESCRIPTION=
    (ADDRESS_LIST=
      (ADDRESS=(PROTOCOL=TCP)(HOST=115.111.50.61)(PORT=1522))
    (CONNECT_DATA=
      (SERVER=DEDICATED)
      (SERVICE_NAME=test)
Listener :-
# listener.ora Network Configuration File: C:\app\Onkar\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\Onkar\product\11.2.0\dbhome_1)
      (PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:C:\app\Onkar\product\11.2.0\dbhome_1\bin\oraclr11.dll")
(SID_DESC =
      (SID_NAME = QUANTUM)
      (ORACLE_HOME = C:\app\Onkar\product\11.2.0\dbhome_1)
      (ENVS = "EXTPROC_DLLS=ONLY:C:\app\Onkar\product\11.2.0\dbhome_1\bin\oraclr11.dll")
LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
ADR_BASE_LISTENER = C:\app\onkar
sqlnet .ora :-
# sqlnet.ora Network Configuration File: C:\app\Onkar\product\11.2.0\dbhome_1\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)
Reply Quick:-
PLZZZZZ
Thanks in advance:-
shekhar

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Windows\system32>set oracle_sid=QUANTUM
C:\Windows\system32>sqlplus / as sysdba
SQL*Plus: Release 11.2.0.3.0 Production on Mon Jul 15 12:54:50 2013
Copyright (c) 1982, 2011, Oracle. All rights reserved.
ERROR:
ORA-12560: TNS:protocol adapter error
This is a local connection (called an internal connect in the old days). The connection does not go via the Listener. It is a local IPC connection. And as you can see, you do not supply a database schema and password as credentials - the o/s user and environment need to provide the credentials.
So I would not expect a TNS protocol adapter error, as this usually indicates a network driver related problem.
For a local IPC connection to work, TWO_TASK must not be set, and ORACLE_SID and ORACLE_HOME must be set (and valid). The local client driver needs to launch an Oracle server process (dedicated server process to service the client driver). It finds that executable in ORACLE_HOME/bin. Next it needs that server process to "attach" itself to the database's brains (the SGA). This shared memory area is identified via the ORACLE_HOME and ORACLE_SID variables.
There also is a requirement that the dedicated server process created, has the o/s permissions to attach to the SGA - which means it needs to be run as the same o/s user as the owner of the shared memory (in other words, the client should be running in the same o/s user as the database processes).
Thus the need to have these variables set. And no need for using a Listener - it is not a factor.

Gives ORA-12560: TNS: protocol adapter error when installing oracle 10g

I tried to install oracle 10g r2 in server 2008. but it gives ORA-12560: TNS: protocol adapter error when installing. how I can fix this issue??? please help me ASAP. because its urgent.
thanks in advance.
chamara

Welcome to the forums !
Pl indicate which version of 10g you are installing and on which version of Win 2008. Neither 10gR1 nor 10gR2 are certified to be installed on Win 2008 R1, AFAIK.
For 10gR2, only 10.2.0.5 is certified for Win 2008 R2 - see MOS Doc 1173433.1 (How to Install Oracle 10.2.0.5 on MS Windows 7 / Windows 2008R2)
Also see MOS Doc 740926.1 (Where can I find the Database / Client software to download for Microsoft Vista, or Windows 2008R1?).
Both 10gR1 and 10gR2 are now in extended support - is there a reason you are not using 11gR2 ?
HTH
Srini

ORA-12560 TNS:Protocol Adapter Error and ORA-12557 Error

Hello ,
I have installed Oracle 11.2.0 64 bit database on my Windows 7 ( Home Premium) PC which is also 64 bit. I installed it because I am trying to setup Informatica. Later, I learnt that informatica is 32 bit and can not communicate to Oracle 11.2.0 64 bit database. So after digging through solutions, someone mentioned that I need to install Oracle 11g client 32bit.
I have installed 11g client software successfully now. Here is problem though :
When I launch SQL-Plus from 11g database , it works fine. However I launch SQL-Plus from 32bit client it gives me error as :
Ora-12560 :TNS: Protocol Adapter Error.
So I have been trying to resolve this error. I saw that this question has been posted many many times and have tried many thing as listed below :
1. copy tnsnames.ora from database ( dbhome_1) to client installation ( client_1 ) under ..\network\admin\ --- Didn't work.
2. Set $ORACLE_HOME and $ORACLE_SID environment variable.
Here is interesting fact - If I set $ORACLE_HOME to database path and not client path error changes to :
ORA-12557 TNS: Protocol adapter not loadable.
If I keep $ORACLE_HOME as client path then I get same error as earlier ORA-12560.
3. I have also tried changing $PATH variable. I did set to path containing only database installation, only client installation, both database and client installation with database installation appearing first
But all of these haven't worked.
Can anyone please suggest what I am missing and any further things I could try ?
Thank you in advance !

982090 wrote:
Hello ,
I have installed Oracle 11.2.0 64 bit database on my Windows 7 ( Home Premium) No oracle product is certified to run on any 'home' edition of any version of Windows.
PC which is also 64 bit. I installed it because I am trying to setup Informatica. Later, I learnt that informatica is 32 bit and can not communicate to Oracle 11.2.0 64 bit database.If the connection is via TNS, the bit architecture shouldn't matter.
So after digging through solutions, someone mentioned that I need to install Oracle 11g client 32bit.
I have installed 11g client software successfully now. Here is problem though :
When I launch SQL-Plus from 11g database , it works fine. However I launch SQL-Plus from 32bit client it gives me error as :
Ora-12560 :TNS: Protocol Adapter Error.
So I have been trying to resolve this error. I saw that this question has been posted many many times and have tried many thing as listed below :
1. copy tnsnames.ora from database ( dbhome_1) to client installation ( client_1 ) under ..\network\admin\ --- Didn't work.
2. Set $ORACLE_HOME and $ORACLE_SID environment variable.
Here is interesting fact - If I set $ORACLE_HOME to database path and not client path error changes to :
ORA-12557 TNS: Protocol adapter not loadable.
If I keep $ORACLE_HOME as client path then I get same error as earlier ORA-12560.
3. I have also tried changing $PATH variable. I did set to path containing only database installation, only client installation, both database and client installation with database installation appearing first
But all of these haven't worked.
Can anyone please suggest what I am missing and any further things I could try ?
Thank you in advance !unfortunately, we need to know exactly how you tried to connect with sqlplus when it "worked" and when it "didn't work". The key to the reported error messages is highly dependent on the environment settings AND the specification of the connect string. A copy and paste of the entire command line session would be most helpful.
But again, running on any 'home' edition of windows is not supported.

ORA-12560 "TNS protocol adapter error":Win2k+Oracle8i_32bit.Helplessly struggling.

Hi Oracle Guru's,
Please save my life from this typical yet known problem.
I got an old backup on my tapes about 3 years older. I have windows server 2k where I have an access remotely through RDP(Citrix-CuraStore).
I installed oracle8i 32 bit on Windows 2k though it got stuck at the end where it installs optional tools(like Net8i assistant), so i closed the installation session, Because I could see Net8i assistant,dbca etc was installed on machine.
I checked my services, found it had started the Listerner8i service.
To create a database, I tried to happen it through DBCA...but unfortunately it gave error(ORA-12560 "TNS protocol adapter error"), I ignored it ...but it didnt move to next step...completely stuck up..So closed the session.
I tried with ORADIM to create service, It did happen, services for database was created, I setup the environment(SID,HOME,PATH) etc.
When I login with sqlplus , it gives again the same error(ORA-12560 "TNS protocol adapter error"), I tried many things like TCP/IP traffing disabling etc..Nothing worked.
Can some one please help me and give me some out of box solution..I shall be really really thankful to them.
Regards,

Sorry, If I missed to update you back..I apologize.
Two services(Database Service : OracleServicetest and OracleOraHome81TNSListenerLISTENER_TEST both are up...checked from SERVICES.MSC
listener is up, I can ping the Hostname perfectly.
Is there any other service I need to look into.
Please find the below log as reference for TEST database.
C:\Documents and Settings\Administrator>hostname
srvdba02
C:\Documents and Settings\Administrator>ping srvdba02
Pinging srvdba02 [10.241.24.54] with 32 bytes of data:
Reply from 10.241.24.54: bytes=32 time<10ms TTL=128
Reply from 10.241.24.54: bytes=32 time<10ms TTL=128
Reply from 10.241.24.54: bytes=32 time<10ms TTL=128
Reply from 10.241.24.54: bytes=32 time<10ms TTL=128
Ping statistics for 10.241.24.54:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 0ms, Average = 0ms
C:\Documents and Settings\Administrator>
C:\Documents and Settings\Administrator>lsnrctl status LISTENER_TEST
LSNRCTL for 32-bit Windows: Version 8.1.7.0.0 - Production on 28-SEP-2013 23:43:01
(c) Copyright 1998 Oracle Corporation. All rights reserved.
Kobler til (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=10.241.24.54)(PORT=1523)))
STATUS FOR LYTTERPROSESS
Tilnavn                 LISTENER_TEST
Versjon                   TNSLSNR for 32-bit Windows: Version 8.1.7.0.0 - Production
Startdato                 28-SEP-2013 23:19:31
Oppetid                    0 dager 0 t. 23 min. 29 sek
Sporingsnivσ              off
Sikkerhet                 OFF
SNMP                      OFF
Lytterens parameterfil    C:\oracle\ora81\network\admin\listener.ora
Lytterens loggfil         C:\oracle\ora81\network\log\listener_test.log
Tjenesteoversikt...
test          har 1 tjenestebehandler(e)
Kommandoen ble utf°rt
(It means test database has i service handler)..
C:\Documents and Settings\Administrator>tnsping test
TNS Ping Utility for 32-bit Windows: Version 8.1.7.0.0 - Production on 28-SEP-2013 23:43:17
(c) Copyright 1997 Oracle Corporation. All rights reserved.
Attempting to contact (ADDRESS=(PROTOCOL=TCP)(HOST=10.241.24.54)(PORT=1523))
Ok (10 msek)

ORA-12560, 00000, "TNS:protocol adapter error"

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