ORA-12560: TNS:protocol adapter error This problem occurs when your database is not up. By default Oracle services start at windows startup, but they might have been stopped manually by user.
Enter password: ORA-12560: Error: TNS: protocol adapter error. This error occurs when the listener is not active or even there is a problem with tnsnames or the database is no longer active. After Oracle Player is installed, all wizards, including listeners, should be running. NO TIME TO READ CLICK HERE TO GET THIS ARTICLE How to fix the error?
ORA-12560: Protocol-tns adapter error Cause: An unbranded protocol adapter error occurred. Action: Check the addresses used to organize the logs. Before reporting this bug, check the bug stack and see if there are any lower level transport errors.
Advanced Networking – System Version 9.0.1 to 12.2.0.1 [version 9.0.1 to possibly 12.2]: Connections using SSL (TCPS) fail with ORA-12560 TNS protocol adapter error::
I fixed “ORA-12560: TNS: protocol adapter error” by manually accessing all oracle services from one machine. Start > Control Panel > Performance and Tools > Maintenance > Administrator. This was mainly due to much less RAM, so the services took a long time to start. I am getting a great install error when using the Oracle Chrome software.
What does TNS : protocol adaptor error 12560 mean?
12560: TNS: protocol adapter error Well, you still haven’t told me about the OS or anything (and I hope it’s the OS that got stuck when 8i was designed – last century – and if it wasn’t don’t ask). Also a producer? sql please use sqlplus.
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 Net Start (command C:>net start oracleserviceORCL). This should fix the ORA-12560 error using this situation.
How do I fix ORA 12560 TNS protocol adapter error?
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.
When does ora-12560 throw a TNS protocol adapter error?
ORA-12560 Where does this come from when you connect to a database and the application can’t connect in any way. At this point, the TNS protocol error adapter simply fires. The reason can be one of the following: The 8th listener is not active. 2. Third party software. 3. Problem with each of our tnsnames.ora files.
What causes ora-12560 TNS protocol adapter error?
ORA-12560: TNS power adapter error. Sometimes you may receive the message ORA-12560: TNS: protocol adapter error. Detailed information about the error is given below. Cause: A generic project adapter error occurred. Validation Action: The addresses are validated against the protocol specification.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.