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Preface:

This is basically the same procedure as the Windows 2000 tutorial.  Some things to note about adding a Windows XP computer to a domain are the following:

• 
  
  
  
  
  You need Windows XP Professional to join a XP computer to a domain.  Home can't be used fully for this
• 
  
  
  
  
  You will loose the "fancy" log on screen and you will receive the "classic" log on screen instead.  This is for security and cannot be changed, unless you revert to workgroup mode
• 
  
  
  
  
  You will loose the "Fast User Switching".  This cannot be restored, except by reverting back to workgroup mode.

Method:

Click Start, right click "My Computer" and click "Properties"

Go to the "Computer Name" tab and click "Change..."

Select the "Domain" radio button then put in your domain name, not including the . extension (in my example I used the domain "hello.test" but when joining the computer to a domain, I will only type "hello")

Press "OK".  Then you will be presented with a user name and password prompt.  Enter the user name and password of a Domain Administrator

Press "OK" and after a minute or two you will receive a message welcoming you to the domain.  Then you will receive a message telling you that a reboot is required, click "OK" to that, and the properties window.  Then click "Yes" when you are prompted to reboot.

And we're finished.  You have just learnt how to add a Windows XP computer to a Windows Server 2003 domain

Additive:

After the XP computer boots to Control-Alt-Delete you may need to change it from logging onto itself (which will use the local info) to logging onto the domain.  To do this, press Ctrl-Alt-Del, then the "Options >>>" button on the log on screen.  Then select the domain from the drop-down box

After that you can log on using domain credentials

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Windows Server 2003 includes all the functionality customers expect from a mission critical WindowsServer operating system, such as security, reliability, availability, and scalability. In addition, Microsoft has improved and extended the Windows server product family to enable organizations to experience the benefits of Microsoft .NET—a set of software for connecting information, people, systems, and devices.

This tutorial will explain how to create a first domain controller(DC) in your network or company includes DNS server setup in windows server 2003 .You have to install DNS server for DC without DNS the client computerswouldn’t know which one is DC.You can host DNS on a different server than DC.

Before Starting the DC installation process you need to make sure the following points

• You have installed Basic windows server 2003 installation

• Make sure you have assigned a static ip address to your server

Now start DC and DNS Setup process

First you need to go to Start–>All Programs–>Administrative Tools–>Manage Your Server

Here you need to select Add or remove a role

Verify the following steps click on Next

Select Server Role as Domain Controller option click on Next

Summary of Your Selections click on Next

Active Directory Installation Wizard click on Next

Click “Next” on the compatibility window

Next window select the default option of “Domain Controller for a new domain” and click “Next”

In this tutorial we will create a domain in a new forest, because it is the first DC, so keep that option selected

Now we have to think of a name for our domain. If you have a domain like windowsreference.com”, you can use it, but it isn’t suggested because computers nside of your domain may not be able to reach the company website. Active directory domains don’t need to be “real” domains like the one above – they can be anything you wish. So i will create “windowsreference.int”.

Now in order to keep things simple, we will use “windowsreferenc”, which is the default selection, as the NetBIOS name of the domain.

The next dialog suggests storing the AD database and log on separate hard disks and you can just leave the default settings.

The SYSVOL folder is a public share, where things like .MSI software packages can be kept when you will distribute packages and you can just leave the default settings or you can change the path.

Next Screen basically says that you will need a DNS server in order for everything to work the way we want it (i.e., our “windowsreference.int” to be reachable).we will install the DNS server on this machine or if you want you can installed else where select “Install and Configure…” and click next.

Here you need to select the permissions for win 2000 or win 2003 server if you have any NT4 select first option otherwise select second option and click next

The restore mode password is the single password that all administrators hope to never use, however they should also never forget it because this is the single password that might save a failed server.click next

Now we will see a summary of what will happen click next

Active directory installation process started this can take several minutes. It’s likely that you will be prompted for your Windows Server 2003 CD (for DNS) so have it handy.

Active directory Installation finish screen click Finish.

Now you need to select “Restart Now” option to reboot your server.

After rebooting you can see new option for logon

After logging in you can see similar to the following screen saying your server is now domain controller.

That’s it now your server is configured as domain controller and DNS server.

If you want Step by step guide how to install windows server 2003 check here

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Preface:

One of the greatest features of Windows Server 2003 is its ability to be a Domain Controller (DC).  The features of a domain extend further than this tutorial ever could, but some of its most well known features are its ability to store user names and passwords on a central computer (the Domain Controller) or computers (several Domain Controllers).  In this tutorial we will cover the "promoting" (or creating) of the first DC in a domain.  This will include DNS installation, because without DNS the client computers wouldn't know who the DC is.  You can host DNS on a different server, but we'll only deal with the basics.

Method:

Click Start -> Run...

Type "dcpromo" and click "OK"

You will see the first window of the wizard.  As it suggests, I suggest reading the help associated with Active Directory.  After this, click "Next"

Click "Next" on the compatibility window, and in the next window keep the default option of "Domain Controller for a new domain" selected, and click "Next"

In this tutorial we will create a domain in a new forest, because it is the first DC, so keep that option selected

Now we have to think of a name for our domain.  If you own a web domain like "visualwin.com", you can use it, but it isn't suggested because computers inside of your domain may not be able to reach the company website.  Active Directory domains don't need to be "real" domains like the one above - they can be anything you wish.  So here I will create "visualwin.testdomain"

Now in order to keep things simple, we will use the first part of our domain ("visualwin"), which is the default selection, as the NetBIOS name of the domain

The next dialog suggests storing the AD database and log on separate hard disks, and so do I, but for this tutorial I'll just keep the defaults

The SYSVOL folder is a public share, where things like .MSI software packages can be kept when you will distribute packages (as I said, AD has a lot of different features).  Once again, I will keep the default selection but it can be changed if you wish to use the space of another drive

Now we will get a message that basically says that you will need a DNS server in order for everything to work the way we want it (i.e., our "visualwin.testdomain" to be reachable).  As I mentioned earlier, we will install the DNS server on this machine as well, but it can be installed elsewhere.  So keep the default selection of "Install and configure", and click "Next"

Because, after all, this is a Windows Server 2003 tutorial website, we'll assume there are no pre-Windows 2000 servers that will be accessing this domain, so keep the default of "Permissions compatible only with Windows 2000 or Windows Server 2003 operating systems" and click "Next"

The restore mode password is the single password that all administrators hope to never use, however they should also never forget it because this is the single password that might save a failed server.  Make sure it's easy to remember but difficult to guess

Now we will see a summary of what will happen.  Make sure it's all correct because changing it afterwards can prove to be difficult

After the previous next was clicked, the actual process occurs.  This can take several minutes.  It's likely that you will be prompted for your Windows Server 2003 CD (for DNS) so have it handy

If your computer has a dynamically assigned address (from DHCP) you will be prompted to give it a static IP address.  Click ok, and then in the Local Area Connection properties, click "Internet Protocol (TCP/IP)" and then "Properties"

In the next window select "Use the following IP address" and select the information that you will use for your domain (and 127.0.0.1 for the primary DNS, because your computer will host DNS.  I still suggest setting up an alternate as well.)  Click "OK" and then "Close" on the next window

And after a while you will see

And we're finished.  You may also want to see the other Active Directory tutorials on the main page.

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How to uninstall Oracle database software :

1. Uninstall all Oracle components using the Oracle Universal Installer (OUI).
2. Run regedit.exe and delete the HKEY_LOCAL_MACHINE/ SOFTWARE/ORACLE key. This contains registry entire for all Oracle products.
3. Delete any references to Oracle services left behind in the following part of the registry: HKEY LOCAL MACHINE/ SYSTEM/ CurrentControlsSet/ Services/Ora*. It should be pretty obvious which ones relate to Oracle
4. Reboot your machine.
5. Delete the C: \Oracle directory, or whatever directory is your Oracle_Base.
6. Delete the C:\Program Files \Oracle directory.
7. Empty the contents of your c:\temp directory.
8. Empty your recycle bin.

Installing Oracle 10g database software :

1. Insert Oracle CD , the autorun window opens automatically. If you are installing from network or hard disk, click setup.exe in the installation folder.
2. The Oracle Universal Installer (OUI) will run and display the Select Installation MethodWindow.
   
   
   
   
3. Choose Basic Installation:
   Select this option to quickly install Oracle Database 10g. This method requires minimal user input. It installs the software and optionally creates a general-purpose database based on the information you provide. 
   For basic installation, you specify the following:
   Oracle Home Location — Enter the directory in which to install the Oracle Database 10g software. You must specify a new Oracle home directory for each new installation of Oracle Database 10g. Use the default value, which is :
   
   
   
   
   c:\oracle\product\10.2.0\db_1
   
   Installation Type — Select Enterprise Edition :
   If you have limited space, select standard edition. Personal edition installs the same software as the Enterprise Edition, but supports only a single-user development and deployment environment.
   Create Starter Database — Check this box to create a database during installation. Oracle recommends that you create a starter database for first Create Starter Database — time installations. Choose a Global Database Name, like cs157b, or just use the default value.
   Type a password. Don’t lose this password, since you will need it to connect to the database server.
   Click next
4. The Product-Specific Prerequisite Checks window appears: Click next 
   
5. A summary screen appears showing information such as your global settings, space requirements and the new products to be installed. Click Install to start the installation..
   
6. The Install window appears showing installation progress.
   
7. At the end of the installation phase, the Configuration Assistants window appears. This window lists the configuration assistants that are started automatically. 
   If you are creating a database, then the Database Configuration Assistant starts automatically in a separate window.
   
   
   
   
   
   
   At the end of database creation, you are prompted to unlock user accounts to make the accounts accessible. The SYS and SYSTEM accounts are already unlocked. Click OK to bypass password management.
   
   
   Note: Oracle 10g still keeps scott / tiger username and password (UID=scott, PWD=tiger) from the old version of oracle. In the old version of oracle, scott/tiger user ID is available by default, but not in oracle 10g. If you want to use scott /tiger account, you must unlock it by clicking “Password Management” at the last window.
   Password Management window will appear like the one shown below. Find the user name “Scott” and uncheck the “Lock Account?” column for the user name.
8. Your installation and database creation is now complete. The End of Installation window displays several important URLs, one of which is for Enterprise Manager.
   
   
9. You can navigate to this URL in your browser and log in as the SYS user with the associated password, and connect as SYSDBA. You use Enterprise Manager to perform common database administration tasks 
   Note : you can access Oracle Enterprise Manager using browser by typing the URL shown above in your browser. Instead of typing the IP address, you can also access the Enterprise Manager by typing http://localhost:1158/em or “http://[yourComputerName]:1158/em” or by clicking “Start >> All Programs >> Oracle – [YourOracleHome_home1] >> Database Control – [yourOracleID]” in Windows menu.
   By default, use user ID “SYSTEM”, with the password that you have chosen at the beginning of installation, to connect to database, SQLPlus, etc. If you want to use other user ID, you may create a new user .