2 Replies Latest reply on Nov 22, 2012 8:42 AM by Venkateshj to R12/11gR2

      Hi All,

      i am in process of upgrading instance to R12/11gR2 database and OS is Windows 2003 .

      first i planned to upgrade database to Database

      Second then go for applicaiton upgrade.

      Stuck in first phase : i followed this doc. 881505.1 and completed the pre-req steps needed for 11gR2 Database.
      Section 1: Upgrading an EBiz Suite 11i Database to Oracle Database 11gR2:
      Under Database upgrade Section: I am at 13 step " Upgrade the Database Instance" here i am following manual upgrade to 11gR2 doc. 837570.1 , In this doc. when i am performing step 29:
      I face the below error message ,
      C:\oraebs\visdb\11.2.0\RDBMS\ADMIN>sqlplus "/as sysdba"

      SQL*Plus: Release Production on Wed Jul 21 11:54:33 2010

      Copyright (c) 1982, 2010, Oracle. All rights reserved.

      ORA-12560: TNS:protocol adapter error

      Enter user-name: /as sysdba
      ORA-12560: TNS:protocol adapter error

      appreciate your response.