In today’s article, we will talk about ORA 12638 credential retrieval failed tips.
For the solution, we need to make the following change in sqlnet.ora
Instead of
1 | SQLNET.AUTHENTICATION_SERVICES= (NTS) |
This is written
1 | SQLNET.AUTHENTICATION_SERVICES= (NONE) |
This error will be fixed.
1 2 | $ vi sqlnet.ora SQLNET.AUTHENTICATION_SERVICES= (NONE) |