Oracle database error code ORA-12557 – TNS:protocol adapter not loadable

Oracle Database Error Code ORA-12557 Description :
TNS:protocol adapter not loadable
Error 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.

How to Solve :
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.


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