12c and Later Releases: ORA-28040 After Upgrade: No Matching Authentication Protocol
(Doc ID 1957995.1)
Last updated on MAY 24, 2024
Applies to:
Oracle Net Services - Version 12.1.0.1 to 19.5.0.0.0 [Release 12.1 to 19]Business Intelligence Suite Enterprise Edition - Version 11.1.1.9.180116 to 11.1.1.9.180116 [Release 11g]
Oracle Database - Enterprise Edition - Version 19.3.0.0.0 to 19.3.0.0.0 [Release 19]
Information in this document applies to any platform.
Symptoms
Following an upgrade to the version 12c database, the following errors are thrown when attempting to connect from remote
clients:
ORA-28040: No matching authentication protocol exception
Changes
This is a new installation of the version 12 database.
Cause
To view full details, sign in with your My Oracle Support account. |
|
Don't have a My Oracle Support account? Click to get started! |
In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |