TNS-00542: SSL Handshake failed
Cause: The SSL protocol adapter was unable to connect to another process.
Action: This error can be caused by a variety of problems including the termination of the peer process. Enable Oracle Net tracing and attempt the connection again. The trace file should give some clues as to what the exact problem is.
TNS-00541: underlying transport does not exist
Cause: The SSL protocol adapter was unable to locate an adapter for the protocol that it is going to use as the data transport.
Action: In most cases, the underlying transport is TCP. Make sure that the Oracle Net TCP/IP adapter was installed.
TNS-00540: SSL protocol adapter failure
Cause: The SSL protocol adapter encountered an error.
Action: In most cases, this error should only be paired with a more meaningful ORA- error.
TNS-00539: Network or Protocol services are down
Cause: The Network services on or from your node are not running or have stopped running.
Action: Restart your network or protocol services on this platform. If the error persists, contact Oracle Support Services.
TNS-00537: Index into protocol adapter table is out of legal range
Cause: Internal protocol adapter error.
Action: For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.
TNS-00536: Connection entered inappropriate state
Cause: Internal protocol adapter error.
Action: For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.
TNS-00535: Failed to send or receive disconnect message
Cause: Internal protocol adapter error.
Action: For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.
TNS-00534: Failed to grant connection ownership to child
Cause: Internal protocol adapter error.
Action: For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.
TNS-00533: Connection dissolved or not yet made
Cause: Internal protocol adapter error.
Action: For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.
TNS-00532: No previous async operation to wait on
Cause: Internal protocol adapter error.
Action: For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.