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Database Administration (MOSC)

How to get Kerberos authentication running for both Microsoft .NET application and sqlplus

Nov 3, 2023 9:03AM in Database Administration (MOSC) 1 commentAnswered

We have a following test environment

Oracle database version 19.17
Microsoft Visual Studio Professional 2022 (64-bit) – Current Version 17.3.3
Oracle.ManagedDataAccess 21.11.0 (via NuGet)
MIT Kerberos for Windows
Target platform: AnyCPU / x64
Target framework: .NET Framework 4.8

Kerberos authentication worked by using in sqlnet.ora KERBEROS5_CC_NAME

OSMSFT: only with SQL*Plus and PL/SQL developer, but not with .NET application
MSLSA: only with .NET application, but not with SQL*Plus and PL/SQL developer

With MSLSA SQL*Plus we get an error message: ORA-12638 Credential retrieval failed

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