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Managed ODP.NET Connection Fails With ORA-12570: Network Session: Unexpected Packet Read Error in 19c (Doc ID 2699746.1)

Last updated on APRIL 17, 2023

Applies to:

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


Secure 19c database enabled with Data Encryption securities. When application using 12.2 or later version of Managed ODP.NET driver ,if application trying to connect the database fails with below error,
But all other applications like Unmanaged ODP.NET, SQL*Plus connect successful.



Database upgraded from to 19c with Data Encryption


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