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ORA-28040: No matching authentication protocol

edited Jul 25, 2017 4:00PM in Database Install/Upgrade/Opatch (MOSC) 3 commentsAnswered

hi,

After 12C upgrade we are not able to login from admin node in sqlplus with error "ORA-28040: No matching authentication protocol"

tried below but it dodn't fix the issue, please help.. database is working fine it's upgraded from 11.2.0.4 to 12.1.0.2 have applied all interop patches, our EBS is 11.5.10.2.

regards

gopalakrishna

SQLNET.ALLOWED_LOGON_VERSION=8

SQLNET.ALLOWED_LOGON_VERSION_SERVER = 11

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