Database Error Messages

Release
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  • 23ai
  • 21c
  • 19c
Updated
Jun 24, 2024

ORA-12236

TNS:protocol support not loaded

Cause

On some platforms (such as Windows) protocol support is loaded at run-time. If the shared library (or DLL) for the protocol adapter has not been loaded, then this error is returned.


Action

For further details, turn on tracing and reexecute the operation. The trace file will have the name of the shared library (or DLL) that has not been loaded.