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For Apps DBA Beginner's
  • Start From Here
  • Order of Apps Study
  • 11i Software
  • Apps Architecture
  • Install Apps 11i
  • Install Apps 11i Part II
  • Startup/Shutdown
  • Request Flow in Apps
  • Various TOP's
  • Cloning Basics
  • Cloning I
  • Cloning II
  • Autoconfig Basics
  • Autoconfig Config File
  • Template Files in Autoconfig
  • Discoverer Overview
  • Workflow Mailer in Apps
  • Printing Overview
  • Configuring Printers
  • Pasta Printing
  • Performance Overview
  • Install 10g Application Server
  • Apps DBA Certification
  • Common DBA Topics
  • Scared of RAC ?
  • Install RAC on your laptop part I
  • Step by Step build RAC part II
  • Step by Step install RAC using VMWare part III
  • Install Oracle RAC Database part IV
  • oraInventory Basics
  • Install Database
  • Upgarde DB to
  • Fusion
  • Is Fusion a conFusion ?
  • Fusion Middleware Overview I
  • Fusion Middleware Overview II
  • Application Integration Architecture
  • SOA Install Part I
  • SOA Install Part II
  • SOA Install Part III
  • Install BPEL Process Manager
  • Apps Integration OID/SSO
  • Management Qs for Apps Integration with SSO/OID
  • 25 things your DBA should know for Apps/SSO integration
  • Identity Management
  • COREid Overview
  • Oracle COREid or Idm & Access Mgmt overview
  • Installing Access Manager 10.1.4
  • WebGate request flow
  • Identity Manager Architecture
  • Installing Identity Manager
  • OAS-SSO Overview
  • OID Overview
  • OID Basics II
  • OID Cluster
  • OID Integration with Other LDAP Servers overview
  • Integrate OID with AD I
  • OID Replication Overview
  • Multi Master OID Replication
  • Migrate OID/SSO to new Host
  • Apps R 12
  • Socket or Servlet in R12
  • Startup/Shutdown Scripts in R12
  • Unified APPL_TOP
  • Apps R 12.0.1
  • Difference between 11i & R12 Technical
  • Prepare for R12 Installation
  • Install VMWare on Windows for Linux Install
  • Install Linux for Apps R12 Install
  • Install Apps R12 on Linux Virtual Machine
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  • R12 Fils System Changes
  • R12 Release Date
  • 10g Application Server
  • 10g AS Overview
  • Installing 10g AS
  • Start/Stop 10g AS
  • Web Cache Basics
  • Single Sign-On Overview
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  • CPU Patch, Middle Tier
  • AS Guard / DR Overview
  • Oracle Apps 11i
  • My Site
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  • Apps Training in India
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  • Good Metalink Notes
  • About Me  
  • For Advanced Apps DBA
  • URL Firewall in DMZ Setup
  • Upgrade Apps to
  • Load Balancer Overview
  • Load Balancer Config
  • HTTP layer Load balancing in Apps 11i
  • Dataguard Overview
  • Configure Dataguard / Standby database
  • Standby Site for Apps 11i
  • How to change Hostname on Apps Instance
  • SSL Overview in Apps
  • Configure SSL to Web Server
  • Key Points for SSL in Apps
  • Reduce Patch Timing
  • Reduce Patch Timing II
  • Shared APPL_TOP Overview
  • Configure Shared APPL_TOP
  • 11i Database Upgrade I
  • 11i Database Upgrade II
  • Change Session TimeOut
  • Patching
  • Apps Patch Basics
  • Apps Patch Basics II
  • Apply Apps Patch
  • CPU Overview
  • Steps to Apply CPU Patch
  • CPU Patch on Infra Tier
  • CPU Patch on AS Middle Tier
  • Troubleshooting
  • Web Server TS Part I
  • Web Server TS Part II
  • CM Troubleshooting
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  • Discoverer Bascis in Apps
  • Discoverer 10g Upgarde Basics
  • Discoverer 10g Configuration Steps with 11i
  • Collaboration Suite
  • Collaboration Suite
  • Calendar Overview
  • Sync Calendar from Mobile I
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  • OCS Mail Architecture
  • Apex / HTMLDB
  • Install Apex 2.2
  • Apex with SSO part I
  • Apex with SSO part II
  • SSO Authentication Schemes
  • Certification
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  • Apps DBA Certification
  • 1Z0-311-OCA-10g OAS Overview
  • 1z0-312-OCP-10g OAS Overview
  • 1z0-312 - Managing Customization and Topology
  • 1z0-312 - Cloning and Staging OAS
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  • How To ?
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  • Blog Roll
    Apps / E-Business Suite
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  • Anil Passi Technical
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    Core DBA
  • Vidya Bala DBA
  • Sabdar DBA
    Data Management
  • Ivan Pellegrin Data Management

  • We have moved to kindly check http://onlineAppsDBA.comin future
    Oracle Apps R12 Installation Guide
    Tuesday, January 30, 2007
    Register for R12 upgrade
    Oracle E-Business Suite Release 12 Installation Guide is now available at Check R12 Installation Guide

    Most of the Installation Steps are still same like Oracle Applications 11i . There are few changes and additional options available during Oracle Applications R12 Installation which I'll cover in my coming posts.

    The disk space requirement for R12 is 133 GB for vision database & 28 GB for Application Tier.
    If this is fresh Install you need around 45 GB for database & 28 GB for Application Tier.

    R12 software CD's to install are available at

    Stay tuned & register for email Notification to get more updates on Oracle Applications 11i & R12


    We have moved to

    kindly check in future

    add to  ¦  digg thisDigg This  ¦  My Yahoo!My Yahoo  ¦  RedditReddit  ¦  add to BlinkListBlinkList   ¦  Furl ItFurl It  ¦  Email This Email This  ¦     Leave Your Comments
    posted by Atul Kumar @ 3:10 PM  
    • At 2:52 AM, Anonymous Anonymous said…

      I am looking for an installation document for ebusiness release 12 but I keep getting links to the same pdf.
      I am not sure that you have successfully installed release 12, if so why are you not helping beginners by just leaving a step by step installation guide.

    • At 9:15 AM, Blogger Atul Kumar said…

      If I get time to put step by step I'll definately put it in my coming post. Do let me know if you are facing any issues in Oracle Apps R 12 installation guide with specific page number and I'll try to answer your query. For fast response try

    • At 3:54 AM, Blogger Anand said…

      Hi Atul,

      I have tried installing the Oracle EBS 12i and after initial installation, I was able to browse the home page. I have applied the following patches and restarted the machine

      Patch: 5735481, 5689224, 4742501

      Now, I'm unable to browse the homepage instead I get the below error
      500 Internal Server Error
      java.lang.NoClassDefFoundError at oracle.apps.fnd.sso.AppsLoginRedirect.AppsSetting( at oracle.apps.fnd.sso.AppsLoginRedirect.init( at com.evermind[Oracle Containers for J2EE 10g ( ].server.http.HttpApplication.loadServlet( at com.evermind[Oracle Containers for J2EE 10g ( ].server.http.HttpApplication.findServlet( at com.evermind[Oracle Containers for J2EE 10g ( ].server.http.HttpApplication.findServlet( at com.evermind[Oracle Containers for J2EE 10g ( ].server.http.HttpApplication.getRequestDispatcher( at com.evermind[Oracle Containers for J2EE 10g ( ].server.http.HttpRequestHandler.doProcessRequest( at com.evermind[Oracle Containers for J2EE 10g ( ].server.http.HttpRequestHandler.processRequest( at com.evermind[Oracle Containers for J2EE 10g ( ] at com.evermind[Oracle Containers for J2EE 10g ( ] at$ at com.evermind[Oracle Containers for J2EE 10g ( ].util.ReleasableResourcePooledExecutor$ at

      Can you give some inputs to sort this out.

      To add, the below two services I'm unable to start


    • At 10:56 PM, Blogger Atul Kumar said…

      In order to get better response for any apps quesries/questions / doubts raise them in forum dedicated to Oracle Apps DBA's at


      (Subscribe to my blog via email)

    • At 10:00 AM, Blogger Hameed said…

      Hi Atul kumar,
      I want to install Apps in External HDD and connect it at Home sys or p3 laptop and practive it. Is it possible? if yes, tell me the process how to do it?
      Thnaks you,

    • At 10:04 AM, Blogger Hameed said…

      Hi Atul,
      I moved from india to Singapore and now Switching from ORacle to Apps. Searching for a job.

      So to practice Apps i Don't have system but my friend have the system. I thought to Install Apps in an External Storage HDD (250gb) and Connect it to System or laptop and practice. It is works or not?
      If it works then tell me how to Do the Installation for it. I have Basic knowledge of apps Installation.
      Thank you,

    • At 1:07 PM, Blogger Atul Kumar said…

      Yes its possible.

      Check our services at

    • At 1:01 PM, Blogger Saravanan said…

      Hi Hameed,

      I dont think you can install in the external hard disk and work on different machines. application and data can be stored in External HDD,but some of the components will be stored in the registry(I mean where you installed oracle apps in a particular OS). You need to work on the same system where you have installed oracle apps. Hope you understand...


    • At 10:23 PM, Anonymous Anonymous said…

      Hi Atul;

      I have read your profile and been through your articles on Internet. I have a very simple and a baisc question. I am able to prepare a Solaris 10 Machine. I would like to install Oracle Financials 12i. However, is it a pre-requisire that a Oracle 10g R2 should already exist on the Server ? Or else is this some thing that gets installed with the 12i as part of the installation ?

      If, the Database is going to be a sperate instllation; What are the guide lines for the Database Tier to be installed seperately ?


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