ORA-28040: No matching authentication protocol with Devart 9.6.696.0 and Oracle 19

Discussion of open issues, suggestions and bugs regarding ADO.NET provider for Oracle
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software931
Posts: 11
Joined: Tue 18 Sep 2012 07:55

ORA-28040: No matching authentication protocol with Devart 9.6.696.0 and Oracle 19

Post by software931 » Thu 25 Feb 2021 09:13

Hello
we get error : ORA-28040: No matching authentication protocol
in direct mode.

We are using Devart 9.6.696.0 and
Oracle Database 19c Standard Edition 2 Release 19.0.0.0.0

Is there a special setting needed in connection string or sqlnet.ora?

Shalex
Site Admin
Posts: 9543
Joined: Thu 14 Aug 2008 12:44

Re: ORA-28040: No matching authentication protocol with Devart 9.6.696.0 and Oracle 19

Post by Shalex » Fri 26 Feb 2021 11:48

Please try using the newest build v9.14.1204 of dotConnect for Oracle (revision history page).

If this doesn't help, send us the following information via our contact form:
1) your sqlnet.ora
2) your connection string (mark confidential information with asterisks)

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