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Oracle® Database Companion CD Installation Guide 10g Release 2 (10.2) for Microsoft Windows (32-Bit) Part Number B14324-01 |
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# 2 Oracle Database Companion CD Requirements

This chapter describes the requirements for installing the Oracle Database 10g Companion CD products:

- Requirements for Oracle HTML DB Products

- Requirements for Oracle Database 10g Products

- Requirements for Oracle Database 10g Companion Products

- Hardware and Software Certifications

- Network Topics

## 2.1 Requirements for Oracle HTML DB Products

This section covers the following topics:

- Oracle HTML DB Requirements

- Oracle HTTP Server Requirement

### 2.1.1 Oracle HTML DB Requirements

This section covers the following topics:

- Requirements Overview

- Disk Space Requirements

- Browser Requirements

- Oracle Database Requirement

- Oracle HTTP Server Requirement

- Oracle XML DB Requirement

- Oracle Text Requirement

#### 2.1.1.1 Requirements Overview

Table 2-1 summarizes the requirements for each Oracle HTML DB installation option. For details on each requirement, refer to the remaining topics in this section.

Table 2-1 Oracle HTML DB Requirements

Installation Option | Required Disk Space | Required Browsers | Required Products
--- | --- | --- | ---
Oracle HTML DB Only (in Oracle HTTP Server home) | Total disk space: 682.13 MB Details: "Disk Space Requirements" | Netscape Communicator 7.0 Microsoft Internet Explorer 6.0 Mozilla 1.2 Firefox 1.0.4 Details: "Browser Requirements" | Oracle Database Oracle HTTP Server Oracle XML DB Oracle Text Details: "Oracle Database Requirement" "Oracle HTTP Server Requirement" "Oracle XML DB Requirement" "Oracle Text Requirement"
Oracle HTML DB and Oracle HTTP Server | Total disk space: 1.03 GB Details: "Disk Space Requirements" | Same as Oracle HTML DB Only installation | Oracle Database Oracle XML DB Oracle Text Details: "Oracle Database Requirement" "Oracle XML DB Requirement" "Oracle Text Requirement"

#### 2.1.1.2 Disk Space Requirements

The following disk space sizes apply to Oracle HTML DB and Oracle HTTP Server only. They do not include the sizes in an existing Oracle Database installation.

Disk space requirements for Oracle HTML DB only:

- TEMP space: 110 MB

- `SYSTEM_DRIVE`:`\Program Files\Oracle` directory: 0.13 MB

- `SYSTEM_DRIVE``:\``ORACLE_BASE``\``ORACLE_HOME` directory: 342 MB

- `SYSTEM_DRIVE``:\``ORACLE_BASE``\oradata` directory: 230 MB (datafiles)

- Total: 682.13 MB

Disk space requirements for Oracle HTML DB and Oracle HTTP Server together:

- TEMP space: 110 MB

- `SYSTEM_DRIVE`:`\Program Files\Oracle` directory: 1.12 MB

- `SYSTEM_DRIVE``:\``ORACLE_BASE``\``ORACLE_HOME` directory: 715 MB

- `SYSTEM_DRIVE``:\``ORACLE_BASE``\oradata` directory: 230 MB (datafiles)

- Total: 1.03 GB

#### 2.1.1.3 Browser Requirements

To view or develop Oracle HTML DB applications, Web browsers must support JavaScript and the HTML 4.0 and CSS 1.0 standards. The following browsers meet this requirement:

- Netscape Communicator 7.0 or higher

- Microsoft Internet Explorer 6.0 or higher (Windows only)

- Mozilla 1.2 or higher

- Firefox 1.0.4

#### 2.1.1.4 Oracle Database Requirement

Oracle HTML DB requires an Oracle database that is release 9.2.0.3 or higher. You need to install Oracle HTML DB into an Oracle home that contains Oracle HTTP Server. This Oracle home can be on a different physical server from the Oracle Database home, as long as Oracle HTML DB can access this database with Oracle*Net.

For example, if Oracle Database has been installed in `OraDB10g_home1`, when you run Oracle Universal Installer to install Oracle HTML DB and are prompted for an Oracle database, you can specify the Oracle Database in that home, but you need to install Oracle HTML DB into its own home that contains Oracle HTTP Server, for example, `OraDB10g_home2`.

#### 2.1.1.5 Oracle HTTP Server Requirement

Oracle HTML DB must have access to Oracle HTTP Server and `mod_plsql` in order to run. The Oracle HTML DB installation option that you choose determines the available versions of Oracle HTTP Server that meet this requirement:

- Oracle HTML DB Only: If you plan to select the Oracle HTML DB Only installation option, you need to install it into an existing Oracle HTTP Server home. The following products include the versions of Oracle HTTP Server and `mod_plsql` that meet the requirements:

  - Oracle 9i Database release 2 (9.2) or higher.

  - Oracle 9i Application Server release 1 (1.0.2.2) or higher.

  Oracle HTTP Server has the following minimum operating system and service pack requirements:

  - Windows 2000 with Service Pack 3 or higher

    Windows 2000 includes: Window 2000 Professional, Windows 2000 Server, Windows 2000 Advanced Server, Windows 2000 Datacenter Server, and Terminal Services

  - Windows 2003

  - Windows XP Professional

  Note: Windows Multilingual User Interface Pack is supported on Windows 2003 and Windows XP.

  If the system does not meet these requirements, select the Oracle HTML DB and Oracle HTTP Server installation option instead of Oracle HTML DB Only.

- Oracle HTML DB and Oracle HTTP Server: If you plan to install the version of Oracle HTTP Server that is included in the Oracle Database 10g Companion Products release, see "Using the Oracle HTTP Server Provided with the Companion Products" for its requirements.

#### 2.1.1.6 Oracle XML DB Requirement

Oracle XML DB first must be installed in the Oracle database that you want to use for Oracle HTML DB. If you are using a preconfigured database created either during an installation or by Database Configuration Assistant (DBCA), Oracle XML DB is already installed and configured.

See Also: Oracle XML DB Developer's Guide for more information about manually adding Oracle XML DB to an existing database

#### 2.1.1.7 Oracle Text Requirement

Oracle Text must be installed so that you can use the searchable online help in Oracle HTML DB. By default, Oracle Text is installed as part of Oracle Database.

In addition, make sure that the default language preferences for Oracle Text have been installed. To install the Oracle Text default language, log into the Oracle database where you plan to install Oracle HTML DB and run the appropriate `drdef` `lang``.sql` script, which by default is located in `ORACLE_BASE``\``ORACLE_HOME``\ctx\admin\defaults`. For example, to run the language preferences script for US English, `drdefus.sql`:

    c:\> sqlplus sys/SYS_password as sysdba
    SQL> @c:\oracle\product\10.2.0\db_1\ctx\admin\defaults\drdefus.sql

See Also : Oracle Text Application Developer's Guide for more information on Oracle Text

## 2.2 Requirements for Oracle Database 10g Products

This section covers the following topics:

- Requirements Overview

- Disk Space Requirements

- Oracle Database Requirement

- Oracle Workflow Server Browser Requirements

- Oracle Workflow Server Product Requirements

See Also: "Products Available in the Oracle Database 10g Products Installation Type"

### 2.2.1 Requirements Overview

Table 2-2 summarizes the requirements for an Oracle Database 10g Products installation. For details on each requirement, refer to the remaining topics in this section.

Table 2-2 Oracle Database 10g Products Requirements

Required Disk Space | Required Browsers | Required Products
--- | --- | ---
Total: 960.2 MB Details: "Disk Space Requirements" | Oracle Workflow server needs the following browsers: Netscape Communicator 7.2 Mozilla 1.7 Microsoft Internet Explorer 6.0 Firefox 1.0.4 Safari 1.2 Details: "Oracle Workflow Server Browser Requirements" | Oracle Database Oracle Workflow server requires the following products, in addition to Oracle Database: Unzip utility, JDK 1.4, outbound SMTP mail server (optional), and inbound IMAP mail server (optional) Details: "Oracle Database Requirement" "Oracle Workflow Server Product Requirements"

### 2.2.2 Disk Space Requirements

The following disk space sizes reflect the sizes required by Oracle Database 10g Products only. They do not include the sizes in an existing Oracle Database installation.

- TEMP space: 130 MB

- `SYSTEM_DRIVE`:`\Program Files\Oracle` directory: 0.2 MB

- `SYSTEM_DRIVE``:\``ORACLE_BASE``\``ORACLE_HOME` directory: 790 MB

- `SYSTEM_DRIVE``:\``ORACLE_BASE``\oradata`: 40 MB

- Total: 960.2 MB

### 2.2.3 Oracle Database Requirement

Your system must have access to Oracle Database release 2 (10.2) before you can install the Oracle Database 10g Products installation type.

See Also: Oracle Database Installation Guide for Microsoft Windows (32-Bit)

### 2.2.4 Oracle Workflow Server Browser Requirements

Oracle Workflow server requires a Web browser that supports frames, JavaScript, Java Development Kit (JDK) Version 1.4, and AWT. The following following Web browsers meet this requirement:

- Netscape Communicator 7.2 or higher

- Mozilla 1.7 or higher

- Microsoft Internet Explorer 6.0 or higher

- Firefox 1.0.4 or higher

- Safari 1.2 or higher

### 2.2.5 Oracle Workflow Server Product Requirements

In addition to Oracle Database, Oracle Workflow server needs the following products in order to run:

- An unzip utility, such as `WINZIP` from NicoMak, to extract the Workflow HTML help from the `wfdoc.zip` file.

- Java Development Kit (JDK) Version 1.4, to run the Oracle Workflow Java Function Activity Agent and the Workflow XML Loader.

- An outbound SMTP mail server and an inbound IMAP mail server, if you want to send and receive e-mail notifications using an Oracle Workflow notification mailer.

## 2.3 Requirements for Oracle Database 10g Companion Products

This section covers the following topics:

- Requirements Overview

- Disk Space Requirements

- Browser Requirements

- Oracle Workflow Server Requirement

- Oracle HTTP Server Requirement

See Also: "Products Available in theOracle Database 10g Companion Products Installation Type"

### 2.3.1 Requirements Overview

Table 2-3 summarizes the requirements for each Oracle Database 10g Companion Products installation option. For details on each requirement, refer to the remaining topics in this section.

Table 2-3 Oracle Database 10g Companion Products Requirements

Installation Option | Required Disk Space | Required Browsers | Required Products
--- | --- | --- | ---
Oracle Workflow middle tier components (in Oracle HTTP Server home) | Total: 111.15 MB Details: "Disk Space Requirements" | Netscape Communicator 7.2 Mozilla 1.7 Microsoft Internet Explorer 6.0 Firefox 1.0.4 Safari 1.2 Details: "Browser Requirements" | Oracle Database Oracle Workflow server Oracle HTTP Server Details: "Oracle Database Requirement" "Oracle Workflow Server Requirement" "Oracle HTTP Server Requirement"
Oracle Workflow middle tier components and Oracle HTTP Server | Total: 481.11 MB Details: "Disk Space Requirements" | Netscape Communicator 7.2 Mozilla 1.7 Microsoft Internet Explorer 6.0 Firefox 1.0.4 Safari 1.2 Details: "Browser Requirements" | Oracle Database Oracle Workflow server Details: "Oracle Database Requirement" "Oracle Workflow Server Requirement"
Oracle HTTP Server only | Total: 463.1 MB Details: "Disk Space Requirements" | Netscape Communicator 7.2 Mozilla 1.7 Microsoft Internet Explorer 6.0 Firefox 1.0.4 Safari 1.2 Details: "Browser Requirements" | Oracle Database Details: "Oracle Database Requirement"

### 2.3.2 Disk Space Requirements

The following disk space sizes reflect the sizes required by the Oracle Database 10g Companion Products only. They do not include the sizes in an existing Oracle Database installation.

Disk space requirements for Oracle Workflow middle tier components only:

- TEMP space: 90 MB

- `SYSTEM_DRIVE`:`\Program Files\Oracle` directory: 0.15 MB

- `SYSTEM_DRIVE``:\``ORACLE_BASE``\``ORACLE_HOME` directory: 21 MB

- Total: 111.15 MB

Disk space requirements for Oracle Workflow middle tier components and Oracle HTTP Server:

- TEMP space: 90 MB

- `SYSTEM_DRIVE`:`\Program Files\Oracle` directory: 1.11 MB

- `SYSTEM_DRIVE``:\``ORACLE_BASE``\``ORACLE_HOME` directory: 390 MB

- Total: 481.11 MB

Disk space requirements for Oracle HTTP Server only:

- TEMP space: 90 MB

- `SYSTEM_DRIVE`:`\Program Files\Oracle` directory: 1.1 MB

- `SYSTEM_DRIVE``:\``ORACLE_BASE``\``ORACLE_HOME` directory: 372 MB

- Total: 463.1 MB

### 2.3.3 Browser Requirements

The Oracle Database 10g Companion Products require a Web browser that supports frames, JavaScript, Java Development Kit (JDK) Version 1.4, and AWT. The following following Web browsers meet this requirement:

- Netscape Communicator 7.2 or higher

- Mozilla 1.7 or higher

- Microsoft Internet Explorer 6.0 or higher

- Firefox 1.0.4 or higher

- Safari 1.2 or higher

### 2.3.4 Oracle Workflow Server Requirement

If Oracle Workflow server is not installed, follow the instructions in this guide for installing Oracle Database 10g products. After you install Oracle Workflow server, you need to configure it using Oracle Workflow Configuration Assistant.

Oracle Workflow server must be installed in an Oracle Database 10g Oracle home. You can use the Oracle Universal Installer to check the contents of an Oracle home.

See Also: "Identifying the Oracle Home Directory Location" for how to find the contents of the Oracle home

### 2.3.5 Oracle HTTP Server Requirement

The Oracle Workflow middle tier components need access to Oracle HTTP Server in order to run. You can install the version of Oracle HTTP Server that is available with the Oracle Database 10g Companion Products. Alternatively, you can use an existing Oracle HTTP Server installation.

- Using the Oracle HTTP Server Provided with the Companion Products

- Using an Existing Oracle HTTP Server Installation

#### 2.3.5.1 Using the Oracle HTTP Server Provided with the Companion Products

If you plan to use the version of Oracle HTTP Server available with Oracle Database 10g Companion Products, you can install this version of Oracle HTTP Server, along with the Companion Products, into their own Oracle HTTP Server home. If you plan to choose this option, ensure that you have the following requirements in place:

- Requirements Overview

- Disk Space Requirements

- Operating System and Service Pack Requirements

- Oracle Database Requirement

Requirements Overview

Table 2-4 summarizes the requirements for an Oracle HTTP Server installation. For details on each requirement, refer to the remaining topics in this section.

Table 2-4 Oracle HTTP Server Requirements

Required Disk Space | Required Operating System and Service Pack | Required Products
--- | --- | ---
Total: 463.1 MB Details: "Disk Space Requirements" | Windows 2000 with Service Pack 3 or higher Windows 2003 Windows XP Details: "Operating System and Service Pack Requirements" | Oracle Database Details: "Oracle Database Requirement"

Disk Space Requirements

The disk space requirements for Oracle HTTP Server are as follows:

- TEMP space: 90 MB

- `SYSTEM_DRIVE`:`\Program Files\Oracle` directory: 1.1 MB

- `SYSTEM_DRIVE``:\``ORACLE_BASE``\``ORACLE_HOME` directory: 372 MB

- Total: 463.1 MB

Operating System and Service Pack Requirements

Oracle HTTP Server has the following minimum operating system and service pack requirements:

- Windows 2000 with Service Pack 3 or higher

  Windows 2000 includes: Window 2000 Professional, Windows 2000 Server, Windows 2000 Advanced Server, Windows 2000 Datacenter Server, and Terminal Services

- Windows 2003

- Windows XP Professional

Note: Windows Multilingual User Interface Pack is supported on Windows 2003 and Windows XP.

Oracle Database Requirement

Oracle HTTP Server must have access to Oracle9i release 9.2.0.3 or higher in order to run. Oracle Database can be on a separate system from Oracle HTTP Server, as long as it is accessible by Oracle*Net. However, Oracle HTTP Server must be in its own home.

For example, if Oracle Database has been installed in `OraDB10g_home1`, when you run Oracle Universal Installer to install Oracle HTTP Server, you can specify the Oracle Database in that home, but you need to install Oracle HTTP Server into its own home, for example, `OraDB10g_home2`, along with the Oracle Database 10g Companion Products.

#### 2.3.5.2 Using an Existing Oracle HTTP Server Installation

If you plan to install the Oracle Database 10g Companion Products into an existing Oracle HTTP Server home, make sure that this version of Oracle HTTP Server has `mod_plsql`. Oracle home directories for the following products meet this requirement:

- Oracle HTTP Server 10g

- Oracle Identity Management 10g (part of Oracle Application Server 10g)

## 2.4 Hardware and Software Certifications

The platform-specific hardware and software requirements included in this installation guide were current at the time this guide was published. However, because new platforms and operating system software versions might be certified after this guide is published, review the certification matrix on the OracleMetaLink Web site for the most up-to-date list of certified hardware platforms and operating system versions. The OracleMetaLink Web site is available at the following URL:

    http://metalink.oracle.com/

You must register online before using OracleMetaLink. After logging in, select Certify & Availability from the left-hand column. From the Product Lifecycle page, select the Certifications button. Other Product Lifecycle options include Product Availability, Desupport Notices, and Alerts.

The following sections list the following certification information:

- Windows Telnet Services Support

- Windows Terminal Services and Remote Desktop Support

### 2.4.1 Windows Telnet Services Support

Windows 2000, Windows 2003, and Windows XP include a Telnet Service that allows remote users to log on to the operating system and run console programs using the command line. Oracle supports command line utilities using this feature, but does not support the database GUI tools such as Oracle Universal Installer, Database Configuration Assistant, and Oracle Net Configuration Assistant.

Note: Make sure that the Telnet service is started on the Windows Services utility.

### 2.4.2 Windows Terminal Services and Remote Desktop Support

Oracle supports using the Windows Terminal Services console to install, configure, and run Oracle HTML DB and Oracle HTTP Sever on Windows 2000 Server, Windows XP Professional, and Windows Server 2003. You cannot use the Terminal Services Client on Windows 2000. However, if you want to use the Terminal Services Client instead, you can only do so with Windows Server 2003. If you attempt to install Oracle HTTP Server or Oracle HTML DB in this manner, many configuration tools will stop responding. Start all configuration tools from the Terminal Services console (using `mstsc/console`) and not from the Terminal Services Client.

See Also: The Microsoft Web site for more information about terminal services `http://www.microsoft.com/` The OracleMetaLink Web site for the latest Terminal Server certification information `http://metalink.oracle.com/`

## 2.5 Network Topics

Typically, the computer on which you want to install the Oracle Database Companion CD products is connected to the network, has local storage to contain this installation, has a display monitor, and has a DVD drive.

This section describes how to install the Oracle Database Companion CD products on computers that do not meet the typical scenario. It covers the following cases:

- Installing on DHCP Computers

- Installing on Multihomed Computers

- Installing on Computers with Multiple Aliases

- Installing a Loopback Adapter

### 2.5.1 Installing on DHCP Computers

Dynamic Host Configuration Protocol (DHCP) assigns dynamic IP addresses on a network. Dynamic addressing allows a computer to have a different IP address each time it connects to the network. In some cases, the IP address can change while the computer is still connected. You can have a mixture of static and dynamic IP addressing in a DHCP system.

In a DHCP setup, the software tracks IP addresses, which simplifies network administration. This lets you add a new computer to the network without having to manually assign that computer a unique IP address. However, before installing the Oracle Database Companion CD products onto a computer that uses the DHCP protocol, you need to install a loopback adapter to assign a local IP address to that computer.

See also: "Checking if a Loopback Adapter Is Installed on Your Computer"

### 2.5.2 Installing on Multihomed Computers

You can install Oracle Database on a multihomed computer. A multihomed computer is associated with multiple IP addresses. This is typically achieved by having multiple network cards on the computer. Each IP address is associated with a host name; additionally, you can set up aliases for the host name. By default, Oracle Universal Installer uses the `ORACLE_HOSTNAME` environment variable setting to find the host name. If `ORACLE_HOSTNAME` is not set and you are installing on a computer that has multiple network cards, Oracle Universal Installer determines the hostname by using the first name in the `hosts` file (typically located in `SYSTEM_DRIVE``:\WINDOWS\system32\drivers\etc` on Windows 2003 and Windows XP, or `SYSTEM_DRIVE``:\WINNT\system32\drivers\etc` on Windows 2000).

Clients must be able to access the computer using this hostname (or using aliases for this hostname). To check, ping the hostname from the client computers using the short name (hostname only) and the full name (hostname and domain name). Both must work.

Setting the ORACLE_HOSTNAME Environment Variable

To set the `ORACLE_HOSTNAME` environment variable:

1. Display System in the Windows Control Panel.

2. In the System Properties dialog box, click Advanced.

3. In the Advanced tab, click Environment Variables.

4. In the Environment Variables dialog box, under System Variables, click New.

5. In the New System Variable dialog box, enter the following information:

   - Variable name: `ORACLE_HOSTNAME`

   - Variable value: The hostname of the computer that you want to use.

6. Click OK, then in the the Environment Variables dialog box, click OK.

7. Click OK in the Environment Variables dialog box, then in the System Properties dialog box, click OK.

### 2.5.3 Installing on Computers with Multiple Aliases

A computer with multiple aliases is registered with the naming service under a single IP but with multiple aliases. The naming service resolves any of those aliases to the same computer. Before installing Oracle Database on such a computer, set the `ORACLE_HOSTNAME` environment variable to the computer whose hostname you want to use.

### 2.5.4 Installing a Loopback Adapter

When you install a loopback adapter, the loopback adapter assigns a local IP for your computer. After you install a loopback adapter on your computer, you have at least two network adapters on your computer: your own network adapter and the loopback adapter. The Oracle Database Companion CD products need to have Windows using the loopback adapter as the primary adapter.

The primary adapter is determined by the order in which you installed the adapters: it is the last adapter installed. If you install additional network adapters after you install the loopback adapter, you need to deinstall the loopback adapter and reinstall it.

A loopback adapter is required if you are installing on a DHCP computer.

See Also: "Installing on DHCP Computers"

The procedure for installing a loopback adapter depends on the version of Windows on which you plan to install the Oracle Database Companion CD products:

- Checking if a Loopback Adapter Is Installed on Your Computer

- Installing a Loopback Adapter on Windows 2000

- Installing a Loopback Adapter on Windows 2003

- Removing a Loopback Adapter

#### 2.5.4.1 Checking if a Loopback Adapter Is Installed on Your Computer

To check if a loopback adapter is installed on your computer, run the `ipconfig /all` command:

    c:\> ipconfig /all

If there is a loopback adapter installed, you would see a section that lists the values for the loopback adapter. For example:

    Ethernet adapter Local Area Connection 2:
      Connection-specific DNS Suffix  . :
      Description . . . . . . . . . . . : Microsoft Loopback Adapter
      Physical Address. . . . . . . . . : 02-00-4C-4F-4F-50
      DHCP Enabled. . . . . . . . . . . : Yes
      Autoconfiguration Enabled . . . . : Yes
      Autoconfiguration IP Address. . . : 169.254.25.129
      Subnet Mask . . . . . . . . . . . : 255.255.0.0

#### 2.5.4.2 Installing a Loopback Adapter on Windows 2000

Windows 2000 reports on the last network adapter installed. This means that if you install additional network adapters after you install the loopback adapter, you need to remove and reinstall the loopback adapter. The loopback adapter must be the last network adapter installed on the computer.

To install a loopback adapter on Windows 2000:

1. From the Start menu, select Settings, then Control Panel.

2. Double-click Add/Remove Hardware to start the Add/Remove Hardware wizard.

3. In the Welcome window, click Next.

4. In the Choose a Hardware Task window, select Add/Troubleshoot a device, and click Next.

5. In the Choose a Hardware Device window, select Add a new device, and click Next.

6. In the Find New Hardware window, select No, I want to select the hardware from a list, and click Next.

7. In the Hardware Type window, select Network adapters, and click Next.

8. In the Select Network Adapter window, do the following:

   1. Manufacturers: Select Microsoft.

   2. Network Adapter: Select Microsoft Loopback Adapter.

   3. Click Next.

9. In the Start Hardware Installation window, click Next.

10. In the Completing the Add/Remove Hardware Wizard window, click Finish.

11. Right-click My Network Places on the desktop and choose Properties. This displays the Network and Dial-up Connections control panel.

12. Right-click the connection that was just created. This is usually "Local Area Connection 2". Choose Properties.

13. On the General tab, select Internet Protocol (TCP/IP), and click Properties.

14. In the Properties dialog box, click Use the following IP address and do the following:

    1. IP Address: Enter a non-routable IP for the loopback adapter. Oracle recommends the following non-routable addresses:

       - `192.168.``x`.`x` (`x` is any value between 0 and 255)

       - `10.10.10.10`

    2. Subnet mask: Enter `255.255.255.0`.

    3. Record the values you entered, which you will need later in this procedure.

    4. Leave all other fields empty.

    5. Click OK.

15. Close the Network Connections window.

16. Restart the computer.

17. Add a line to the `SYSTEM_DRIVE``:\WINNT\system32\drivers\etc\hosts` file with the following format, right after the `localhost` line:

        IP_address   hostname.domainname   hostname

    where:

    - `IP_address` is the non-routable IP address you entered in step 14.

    - `hostname` is the name of the computer.

    - `domainname` is the name of the domain.

    For example:

        10.10.10.10   mycomputer.mydomain.com   mycomputer

18. Check the network configuration:

    1. Open System in the Control Panel, and select the Network Identification tab.

       In Full computer name, make sure you see the host name and the domain name, for example, `sales.us.mycompany.com`.

    2. Click Properties.

       In Computer name, you should see the host name, and in Full computer name, you should see the host name and domain name. Using the previous example, the host name would be `sales` and the domain would be `us.mycompany.com`.

    3. Click More. In Primary DNS suffix of this computer, the domain name, for example, `us.mycompany.com`, should appear.

    4. Exit the System in the Control Panel.

#### 2.5.4.3 Installing a Loopback Adapter on Windows 2003

To install a loopback adapter on Windows 2003:

1. Open the Windows Control Panel.

2. Double-click Add Hardware to start the Add Hardware wizard.

3. In the Welcome window, click Next.

4. In the Is the hardware connected? window, select Yes, I have already connected the hardware, and click Next.

5. In the The following hardware is already installed on your computer window, in the list of installed hardware, select Add a new hardware device, and click Next.

6. In the The wizard can help you install other hardware window, select Install the hardware that I manually select from a list, and click Next.

7. From the list of hardware types, select the type of hardware you are installing window, select Network adapters, and click Next.

8. In the Select Network Adapter window, make the following selections:

   - Manufacturer: select Microsoft.

   - Network Adapter: select Microsoft Loopback Adapter.

9. Click Next.

10. In the The wizard is ready to install your hardware window, click Next.

11. In the Completing the Add Hardware Wizard window, click Finish.

12. If you are using Windows 2003, restart your computer.

13. Right-click My Network Places on the desktop and choose Properties. This displays the Network Connections control panel.

14. Right-click the connection that was just created. This is usually named "Local Area Connection 2". Choose Properties.

15. On the General tab, select Internet Protocol (TCP/IP), and click Properties.

16. In the Properties dialog box, click Use the following IP address and do the following:

    1. IP Address: Enter a non-routable IP for the loopback adapter. Oracle recommends the following non-routable addresses:

       - `192.168.``x`.`x` (`x` is any value between 0 and 255)

       - `10.10.10.10`

    2. Subnet mask: Enter `255.255.255.0`.

    3. Record the values you entered, which you will need later in this procedure.

    4. Leave all other fields empty.

    5. Click OK.

17. Click OK.

18. Close Network Connections.

19. Restart the computer.

20. Add a line to the `SYSTEM_DRIVE``:\WINDOWS\system32\drivers\etc\hosts` file with the following format, after the `localhost` line:

        IP_address   hostname.domainname   hostname

    where:

    - `IP_address` is the non-routable IP address you entered in step 16.

    - `hostname` is the name of the computer.

    - `domainname` is the name of the domain.

    For example:

        10.10.10.10   mycomputer.mydomain.com   mycomputer

21. Check the network configuration:

    1. Open System in the Control Panel, and select the Computer Name tab. In Full computer name, make sure you see the host name and the domain name, for example, `sales.us.mycompany.com`.

    2. Click Change. In Computer name, you should see the hostname, and in Full computer name, you should see the host name and domain name. Using the previous example, the host name would be `sales` and the domain would be `us.mycompany.com`.

    3. Click More. In Primary DNS suffix of this computer, you should see the domain name, for example, `us.mycompany.com`.

#### 2.5.4.4 Removing a Loopback Adapter

To remove the loopback adapter:

1. Display System in the Windows Control Panel.

2. In the Hardware tab, click Device Manager.

3. In the Device Manager window, expand Network adapters. You should see Microsoft Loopback Adapter.

4. Right-click Microsoft Loopback Adapter and select Uninstall.

5. Click OK.