This is an Oracle database connection problem and it might occur when you try to connect an Oracle database by using an Oracle client.
Here is the solution for this problem;
Happy coding.
Here is the solution for this problem;
- Go to sqlnet.ora file which is normally under this folder: C:\..\client\network\admin
- Open it with something like Notepad ++
- Change SQLNET.AUTHENTICATION_SERVICES=(NTS) to SQLNET.AUTHENTICATION_SERVICES=(NONE)
- Save the changes, that is all.
Error Message:
ORA-12638: Credential retrieval failed
ORA-12638: Credential retrieval failed
Happy coding.
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