How to Fix ORA-28040: No Matching Authentication Protocol in Oracle

Post author:admin
Post published:May 23, 2025
Post category:Databases

The error message ORA-28040: No matching authentication protocol is a common issue. You might see it when your apps try to connect to an Oracle database, especially Oracle 12c and newer.

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How to Fix ORA-12514: Oracle Listener Service Name Mismatch

Post author:Michael Rodriguez
Post published:May 21, 2025
Post category:Databases

The Oracle error ORA-12514: TNS:listener does not currently know of service requested in connect descriptor is a common issue.
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