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Not able to connect to database with TNS error.

in Database Administration (MOSC) 1 commentAnswered ✓

Oracle 12.1.0.2

Windows OS

We are not able to connect to db with ORA-12560: TNS:protocol adapter error.

Listener is running fine and all the environment variables and path is properly set.

We are getting this error all sudden.

Below is error shown in alert log:

ORA-27144: attempt to kill process failed

ORA-27300: OS system dependent operation:spdde:9262:4210 failed with status: 0

ORA-27301: OS failure message: The operation completed successfully.

ORA-27302: failure occurred at: skgpkill4


Can any one please help me with this?

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