How do I fix the TNS protocol adapter error in Oracle 11g?

How do I fix the TNS protocol adapter error in Oracle 11g?

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

1. Make sure the windows service is up and running.
2. 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.

What is a TNS error?

The “ORA-12154: TNS:could not resolve the connect identifier specified” Oracle error is a commonly seen message for database administrators. When this occurs, there’s an issue with creating a connection with one of your Oracle services or database instances.

How do I connect to Oracle database?

Connecting to Oracle Database from SQL*Plus

1. If you are on a Windows system, display a Windows command prompt.
2. At the command prompt, type sqlplus and press the key Enter. SQL*Plus starts and prompts you for your user name.
3. Type your user name and press the key Enter.
4. Type your password and press the key Enter.

How do I disable Oracle services in Windows 7?

To stop Oracle Database services from Oracle Administration Assistant for Windows:

1. Choose Start > Programs > Oracle – HOME_NAME > Configuration and Migration Tools > Administration Assistant for Windows.
2. Right-click the SID. where SID is a specific instance name, such as orcl .
3. Click Stop Service.

How to fix ora-12560 TNS error in Windows?

How to Fix ORA-12560: TNS: Protocol Adapter Error. 1 Make sure the windows service is up and running. 2 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

How often does ora-12560 come up on Google?

“ORA-12560 will be searched approximately 22000 times on google per month.” Why ORA-12560 error will come? There are lot of types of errors like syntax errors,server errors,connectivity error.ORA-12560 is server connectivity error when user tries to connect the database.Most of the times when user installs oracle first time this error will occur.

What does TNS : protocol adaptor error 12560 mean?

12560: TNS: protocol adaptor Error hmmm, you still haven’t told me anything about the OS or anything (and hopefully it is an OS that existed when 8i was production – last century – and if it isn’t don’t bother asking). Also, sql developer? use sqlplus please.

How to resolve ora-12560 on Windows Server Ed Chen logic?

The error pattern combined with TNS-12518 and ORA-12560, and it repeated itself until some point off the peak. I searched MOS and found a document (Doc ID 1240013.1) matches the error pattern I met.