How do I fix protocol adapter error in Sqlplus?

How to Fix ORA-12560: TNS: Protocol Adapter Error

Table of Contents

Make sure the windows service is up and running.
Make sure your ORACLE_SID is set to the instance name you’re trying to connect to. If either one or two are not correct you will get the error as seen below.

How can I restart a Oracle database?

Start up and Shut down the Oracle Database Instance

Open a terminal window as the oracle user.
Log in to SQL*Plus as the SYSDBA user.
Issue the SHUTDOWN command to close the database and shut down the instance.
Issue the STARTUP command to start the instance and open the database.

What are the 3 different Oracle database shutdown modes?

There are several modes for shutting down a database: normal, immediate, transactional, and abort. Some shutdown modes wait for certain events to occur (such as transactions completing or users disconnecting) before actually bringing down the database.

What is the fastest and safe shutdown mode in the Oracle database?

The SHUTDOWN IMMEDIATE is the most common and practical way to shut down the Oracle database. The SHUTDOWN IMMEDIATE does not wait for the current users to disconnect from the database or current transactions to complete.

How do you restart a database?

Start, stop, pause, resume, or restart an instance of the Database Engine. In Object Explorer, connect to the instance of the Database Engine, right-click the instance of the Database Engine you want to start, and then select Start, Stop, Pause, Resume, or Restart.

What is error code ora-12560?

ORA-12560: TNS:protocol adapter error in 8i database. This is a new Installation on Windows 2003 and I need to create a new database called xxxxxx. Copyright (c) 1997, 1999, Oracle Corporation. All Rights Reserved. Thanks, Muhammed. Welcome! It looks like you’re new here. Sign in or register to get started.

How do I find ora10gr1 service?

in the above ora10gr1 is my oracle sid, you can use control panel instead – control panel -> services -> look for the services starting with Oracle. Is this answer out of date?

What to do when ora-12560 persist?

As already stated, I make sure the oracle service has been started, followed by a restart of the listener. When the ORA-12560 still persists, I check the configuration from the Listener. For whatever reason the configuration lost the database entry I need.

Why am I getting listener is not up error in Oracle?

This error will come if Listener is not up or problem in tnsnames or database is not up.After installation of oracle user needs to up all the services including listener.

How do you fix TNS could not resolve the connect identifier specified?

The Solution

Make sure that “TNSNAMES” is listed as one of the values of the NAMES. DIRECTORY_PATH parameter in the Oracle Net profile (SQLNET.
Verify that a TNSNAMES.
Check that the net service name used as the connect identifier exists in the TNSNAMES.
Make sure there are no syntax errors anywhere in the TNSNAMES.

How do I install Tnsnames Ora file?

Specifying a Connection by Configuring a tnsnames. ora File

Run Oracle Universal Installer.
Select the Custom installation type.
In the Available Product Components list, select Oracle Network Utilities and click Next.
In the Summary window, click Install, then click Exit and Yes to exit Oracle Universal Installer.

What does Tnsnames stand for?

TNS

Acronym	Definition
TNS	Transcutaneous Nerve Stimulation
TNS	Telecommunications and Network Services (various universities)
TNS	Total Network Solutions
TNS	Trauma Nurse Specialist