12 Replies Latest reply: May 24, 2008 10:40 PM by 641241 RSS

    ERROR:ORA-12560: TNS:protocol adapter error

    259579
      I am using Win XP Pro. in my PC. I just installed Oracle 9i. When I put in my
      user-name and password to run SQL+ 9.0.1 it gives me the following error
      message : ERROR:ORA-12560: TNS:protocol adapter error.
      I am new to Oracle. Please give me the steps how to fix this error to be
      able to run SQL+.

      Many thanks