7 Replies Latest reply: Apr 4, 2012 1:28 AM by 928396 RSS

    ORA-12638: Credential retrieval failed

    user520824
      Hi,
      I am getting connection error only when connecting thru SQLPlus. I could connect the user using toad no issues at all. but while connecting using sqlplus i get tbe below error

      SQL> conn fas@dwqa.world
      Enter password: ********
      ERROR:
      ORA-12638: Credential retrieval failed

      In the sqlnet.ora I have SQLNET.AUTHENTICATION_SERVICES = (NONE)

      Can someone pls tell me why would sqlplus giving connection error?