ORA-12560: TNS:protocol adapter error Cause: A generic protocol adapter error occurred. Action: Check addresses used for proper protocol specification.
The cause of an ORA-12560 error is the occurrence of a generic protocol adapter mistake. This could result from something simple, such as the database not running due to the instance not being set to auto-start. It can also be a temporary error from an SQL*Net client that occurs intermittently.
Enter password: ERROR: ORA-12560: tns adapter: protocol error. This error occurs when the listener is not active, or there is a problem with tnsnames, or the information is not active. After installing Oracle, the user must activate all specialists, including the auditor. NO, WHEN READING, CLICK HERE TO GET THIS ARTICLE Troubleshooting:
ORA-12560: TNS: project adapter Cause: Error A universal standard protocol adapter error has occurred. Action: Check the contact information used to correctly specify the protocol. Log in before this error, look at the error stack and look for below level transport errors.
Advanced Network Option – Versions 9.0.1 to 12.2.0.1 [versions 9.0.1 to 12.2]: Connections using SSL (TCPS) fail with ORA-12560 TNS::Project Adapter Error Connections using SSL (TCPS) fail with ORA-12560 TNS failed: protocol adapter error
I created “ORA-12560: TNS: Protocol adapter error” which was fixed by manually creating all Oracle services on my new machine. Start > Control Panel > Performance and Maintenance > Administrative Tools > Services. This situation is mainly due to less RAM, so it takes a long time to start maintenance. I get an error whether or not I install an Oracle product, i.e.
How do I fix error ORA-12560 TNS protocol adapter error?
Set the Oracle system id to (sid) C:>set oracle_sid=ORCL. Then run the same Net Start command (C:>net open oracleserviceORCL). This should fix the ORA-12560 error in this situation.
How do I fix ORA 12560 TNS protocol adapter error?
Set the Oracle system id to (sid) 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 occurs when a person enters your database and never enters it. At this point, it just throws a TNS protocol adapter error. The reason can be only one of the following: 1. Headphones are not active. 2. Third party software. 3. Problem with tnsnames.ora image.
What causes ora-12560 TNS protocol adapter error?
ORA-12560: TNS protocol adapter error. Sometimes you may get the message ORA-12560: TNS: protocol adapter error. The error details are as follows. Cause: A generic protocol adapter error has occurred. Action: Check the addresses used for the correct method specification.
Why do I get an ora-12560 TNS error?
This error most often occurs when an Internet user installs Oracle for the first time and tries to connect to it. When the user tries to enter a username and password, we get the following error: the error type is displayed when the listener is not active or there is a problem in the tnsnames alias database. Once oracle is installed, the user practically needs services, including enabling the listener.

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