Managed ODP.NET Connect Gets ORA-12570: Network Session: Unexpected Packet Read Error (Doc ID 2135257.1)

Last updated on MAY 31, 2017

Applies to:

Oracle Data Provider for .NET - Version 12.1.0.2 and later
Microsoft Windows (32-bit)
Microsoft Windows x64 (64-bit)

Symptoms

ORA-12570: Network Session: Unexpected packet read error when attempting to connect via the 12.1.0.2 Managed ODP.NET provider.

Cause

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