Monday, March 30, 2020

ERROR: ORA-12638: Credential retrieval failed

Please follow the steps mentioned in this post for detailed steps, or edit the below entry to fix the issue.

Edit the sqlnet.ora file (path: $ORACLE_HOME/network/admin) and change the below entry from

SQLNET.AUTHENTICATION_SERVICES = (NTS)
To
               SQLNET.AUTHENTICATION_SERVICES = (NONE)


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