ORA-28040: No Matching Authentication Protocol and ORA-01017: invalid username/password
(Doc ID 2436794.1)
Last updated on AUGUST 30, 2023
Applies to:
Oracle Database Cloud Service - Version N/A to N/A [Release 1.0]Information in this document applies to any platform.
Symptoms
Connection to a 12c Database through remote clients with lower version like 10g, 11g fails :
Changes
SQLNET.ALLOWED_LOGON_VERSION parameter has been deprecated in 12c and has been replaced with
SQLNET.ALLOWED_LOGON_VERSION_SERVER=n
SQLNET.ALLOWED_LOGON_VERSION_CLIENT=n
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 |