The ” ORA-12560: TNS :protocol adapter error” almost always means 1) you are on a Windows, and 2) the environment variable ORACLE_SID is not set to the name of a database whose windows service is started. That would also explain the ORA-12154. Check that the service is started, in ‘services.msc’.
What is a TNS error?
In this blog, I will be sure to cover some common TNS errors, how we Oracle DBAs deal with them, and how to troubleshoot. When you encounter the TNS error, the first thing to understand is that it is also related to network communication somewhere between the client connection and the specific Oracle database.
Why do I get the error tns-12541 when using tnsping?
Also, if you are using TNSPING, you may generate a “TNS-12541: TNS: no listener” error. There are many possible causes for ORA-12541 TNS: no listener error. Example: Scenario: #1 The Tnsnames.ora file does not contain the correct information needed to connect when you need it.
What is ora-12560 TNS protocol adapter error?
ORA-12560: TNS: adapter protocol error This problem occurs when your database is not higher. By default, Oracle services start at Windows startup, but the user can stop them manually. Let’s solve this problem by starting their database server 2 in styles –
What is TNS protocol error?
The root cause of the ORA-12560 error is usually due to an adapter generic method error. This can be caused by something as simple as if the database is down because the instance is permanently set to start automatically. A temporary error can also occur intermittently with the SQL*Net client.
How do I fix error ORA-12560 TNS protocol adapter error?
Set the Oracle System Identifier (SID) C:>set to oracle_sid=ORCL. Then run the Net Start receive (C:>net oracleserviceORCL). This should clear up the erroneous ORA-12560 in this whole situation.
How do I fix ORA 12560 TNS protocol adapter error?
In general, set the Oracle System Identifier (SID) to C:>set oracle_sid=ORCL. Then run the net start command (C:>net start oracleserviceORCL). This should fix the ora-12560 error in this situation.
How do I get rid of TNS protocol adapter error?
Set the Oracle Circle ID (SID) to C:>set oracle_sid=ORCL. Then run Net Start Charge (C:>net oracleserviceORCL) start . This should fix the ORA-12560 error in this situation.
How do I fix the TNS protocol adapter error in Oracle 11g?
How to fix ORA-12560: TNS: protocol adapter error
- Make sure the Windows service principal is enabled.
- Make sure the ORACLE_SID set is set to the type of the name of the instance you are connecting to. If one or a is incorrect, the error is handled as shown below.
When does ora-12560 throw a TNS protocol adapter error?
ORA-12560 occurs when you can connect to the datastore but it is not ready to connect. For now, this situation just causes the TNS protocol adapter error. The reason can be one of the following: The 1st listener is not currently active. 2. Third party software. III. Problem with tnsnames.ora file.
Why do I get a TNS protocol adapter error?
At this point, the experts claim that it just throws a TNS protocol adapter error. The reason can be one of the following: The 1st listener is not active. 2. Third party software. 3. Problem with own tnsnames.ora file. 1. Speaker not activated
What is TNS protocol adapter error?
The cause of the ORA-12560 error is a generic process adapter error. This can cause something as simple as a database part to fail because that instance is not configured to start automatically. It can also be a non-persistent SQL*Net client error that occurs from time to time.
Charles Howell is a freelance writer and editor. He has been writing about consumer electronics, how-to guides, and the latest news in the tech world for over 10 years. His work has been featured on a variety of websites, including techcrunch.com, where he is a contributor. When he’s not writing or spending time with his family, he enjoys playing tennis and exploring new restaurants in the area.