ORA-12557: TNS:protocol adapter not loadable

Answer Posted / guest

Cause: On some platforms (such as OS/2) protocol adapters
are loaded at run-time. If the shared library (or DLL) for
the protocol adapter is missing or one of its supporting
libraries is missing then this error is returned.

Action: For further details, turn on tracing and reexecute
the operation. The trace file will include the name of the
shared library (or DLL) that could not be loaded.

Please add more information about this Error

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