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This chapter describes the following tasks that you must complete before you can install the Oracle Database Client products:

2.1 Oracle Database Client Hardware Requirements

Table 2-1 lists the required hardware components for Oracle Database Client on Windows 32-Bit.

Table 2-2 lists the required hardware components for Oracle Database Client on Windows x64.

Table 2-1 Windows 32-Bit Hardware Requirements

For 32-bit applications to work on the servers, Oracle has released 32-bit Instant Client software. Download the Instant Client software by following these steps. This procedure contains steps for Linux, AIX®, and Solaris. Download the Oracle 18c distribution to a directory on a target server's hard disk. Oracle Instant Client SQL.Plus (32-bit and 64-bit) According to your operating system. AIX: Oracle Database 18c Client (18.4) for IBM AIX.

Requirement	Minimum Value
Physical memory (RAM)	256 MB minimum, 512 MB recommended (On Windows Vista, 512 MB minimum)
Virtual memory	Double the amount of RAM
Hard disk space	Total ranges between 160–700 MB. See Table 2-3 for details.
Processor	550 MHz minimum (On Windows Vista, 800 MHz minimum)
Video adapter	256 colors

Table 2-2 Windows x64 Hardware Requirements

Requirement	Minimum Value
Physical memory (RAM)	512 MB minimum, 1 GB recommended
Virtual memory	Double the amount of RAM
Hard disk space	Total ranges between 280–855 MB. See Table 2-3 for details.
Processor	AMD64, or Intel Extended memory (EM64T)
Video adapter	256 colors

2.1.1 Hard Disk Space Requirements

This section lists system requirements for Windows platforms that use the NT File System (NTFS). Oracle recommends installing Oracle components on NTFS. NTFS allows for strong security of database files, trace files, incident data, and so on, stored in the Oracle home.

The NTFS system requirements listed in this section are more accurate than the hard disk values reported by the Oracle Universal Installer Summary window. The Summary window does not include the space required to create a database or the size of compressed files that are expanded on the hard drive.

The hard disk requirements for Oracle Database Client components include space required to install Java Runtime Environment (JRE) and Oracle Universal Installer on the partition where the operating system is installed. If sufficient space is not detected, then installation fails and an error message appears.

Table 2-3 lists the Windows 32-Bit disk space requirements on NTFS.

Table 2-4 lists the Windows x64 disk space requirements on NTFS.

Table 2-3 Windows 32-Bit Disk Space Requirements on NTFS

Installation Type	TEMP Space	SYSTEM_DRIVE:Program FilesOracleInventory	Oracle Home	Total
Instant Client	100 MB	1.1 MB	160 MB	261 MB
Administrator	100 MB	1.1 MB	700 MB	801 MB
Runtime	100 MB	1.1 MB	450 MB	551 MB
Custom (all components installed)	100 MB	1.1 MB *	580 MB *	681 MB *

* Disk space requirements vary, depending on the components selected.

Note:

If you want to configure only the Instant Client Light component of Instant Client, you need 30–32 MB of disk space to store the related files. Refer to 'Configuring Instant Client Light' for more information.

See Also:

'NTFS File System and Windows Registry Permissions' in Oracle Database Platform Guide for Microsoft Windows

Table 2-4 Windows x64 Disk Space Requirements on NTFS

Installation Type	TEMP Space	SYSTEM_DRIVE:Program FilesOracleInventory	Oracle Home	Total
Instant Client	100 MB	1.1 MB	175 MB	276 MB
Administrator	100 MB	1.1 MB	760 MB	861 MB
Runtime	100 MB	1.1 MB	500 MB	600 MB
Custom (all components installed)	100 MB	1.1 MB *	650 MB *	750 MB *

* Disk space requirements vary, depending on the components selected.

Note:

If you want to configure only the Instant Client Light component of Instant Client, you need 30–32 MB of disk space to store the related files. Refer to 'Configuring Instant Client Light' for more information.

See Also:

'NTFS File System and Windows Registry Permissions' in Oracle Database Platform Guide for Microsoft Windows

To ensure that the system meets these requirements, follow these steps:

1. Determine the physical RAM size. For example, on a Windows 2003 computer, open System in the Windows Control Panel and select the General tab. If the size of the physical RAM installed in the system is less than the required size, then you must install more memory before continuing.

2. Determine the size of the configured virtual memory (also known as paging file size). For example, on a Windows 2003 computer, open System, select the Advanced tab, and click Settings in the Performance section. Then select the Advanced tab. The virtual memory is listed in the Virtual Memory section.

   If necessary, see your operating system documentation for information about how to configure additional virtual memory.

3. Determine the amount of free disk space on the system. For example, on a Windows 2003 computer, open My Computer, right-click the drive where the Oracle software is to be installed, and choose Properties.

4. Determine the amount of disk space available in the temp directory. This is equivalent to the total amount of free disk space, minus what will be needed for the Oracle software to be installed.

   If there is less than 100 MB of disk space available in the temp directory, then delete all unnecessary files. If the temp disk space is still less than 100 MB, then set the TEMP or TMP environment variable to point to a different hard drive location. For example, to change the environment variables on a Windows 2003 computer, open System, select the Advanced tab, and click Environment Variables.

2.2 Oracle Database Client Software Requirements

This section covers the following topics:

2.2.1 General Oracle Database Client Software Requirements for Windows 32-Bit

Table 2-5 lists the software requirements for Oracle Database Client on Windows 32-Bit.

Table 2-5 Windows 32-Bit Software Requirements

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Requirement	Value
System Architecture	Processor: Intel (x86), AMD64, and Intel EM64T Note: Oracle provides 32-bit (x86) and 64-bit (x64) versions of Oracle Database Client for Windows. The 32-bit database client version, which this installation guide describes, runs on the 32-bit version of Windows on either x86 or x64 hardware. Oracle provides limited certification for 32-bit Oracle Database Client on 64-bit Windows (x64). For additional information, visit My Oracle Support (formerly OracleMetaLink) at:
Operating System	Oracle Database Client for Windows is supported on the following operating systems: Windows 2000 with service pack 1 or later. All editions, including Terminal Services and Microsoft Windows 2000 MultiLanguage Edition (MLE), are supported. Windows Server 2003 - all editions Windows Server 2003 R2 - all editions Windows XP Professional Windows Vista - Business, Enterprise, and Ultimate editions Windows NT is not supported. Windows Multilingual User Interface Pack is supported on Windows Server 2003, Windows Server 2003 R2, Windows XP Professional, and Windows Vista.
Compiler	Pro*Cobol has been tested and certified with Net Express 5.0. Object Oriented COBOL (OOCOBOL) specifications are not supported. Note: This version of Pro*Cobol has also been tested and certified on Windows x64 with Net Express 5.0. The following components are supported with the Microsoft Visual C++ .NET 2002 7.0 and Microsoft Visual C++ .NET 2003 7.1 compilers: Oracle Call Interface External callouts Pro*C/C++ XDK Oracle C++ Call Interface is supported with Microsoft Visual C++ .NET 2003 7.1 Microsoft Visual C++ .NET 2005 8.0 - OCCI libraries are installed under ORACLE_BASEORACLE_HOMEocilibmsvcvc8. when developing OCCI applications with MSVC++ 8.0, ensure that the OCCI libraries are correctly selected from this directory for linking and executing.
Network Protocol	The Oracle Net foundation layer uses Oracle protocol support to communicate with the following industry-standard network protocols: TCP/IP TCP/IP with SSL Named Pipes

See Also:

2.2.2 General Oracle Database Client Software Requirements for Windows x64

Table 2-6 lists the software requirements for Oracle Database Client on Windows x64.

Table 2-6 Windows x64 Software Requirements

Requirement	Value
System Architecture	Processor: AMD64, or Intel (EM64T) Note: Oracle provides 32-bit (x86) and 64-bit (x64) versions of Oracle Database Client for Windows. The 64-bit (x64) database client version, which this installation guide describes, runs on the 64-bit version of Windows on AMD64 and EM64T hardware. Oracle provides limited certification for 32-bit Oracle Database Client on 64-bit Windows (x64). For additional information, visit My Oracle Support (formerly OracleMetaLink) at:
Operating System	Oracle Database Client for Windows x64 is supported on the following operating systems: Windows Server 2003 - all x64 editions Windows Server 2003 R2 - all x64 editions Windows XP Professional x64 Edition Windows Vista x64 - Business, Enterprise, and Ultimate editions Windows Multilingual User Interface Pack is supported on Windows Server 2003, Windows Server 2003 R2, Windows XP, and Windows Vista.
Compiler	Pro*Cobol is supported with Net Express 5.0. The following components are supported with the Windows 2003 Microsoft Platform SDK (or later) and Intel compiler version 8.1: Oracle C++ Call Interface Oracle Call Interface External callouts Pro*C/C++ XDK Microsoft Visual C++ 8 (Visual Studio 2005) is supported for Oracle C++ Call Interface. GNU Compiler Collection (GCC) and Object Oriented COBOL (OOCOBOL) specifications are not supported. OCCI libraries are installed under ORACLE_BASEORACLE_HOMEocilibmsvcvc8. When developing OCCI applications with MSVC++ 8.0, ensure that the OCCI libraries are correctly selected from this directory for linking and executing.
Network Protocol	The Oracle Net foundation layer uses Oracle protocol support to communicate with the following industry-standard network protocols: TCP/IP TCP/IP with SSL Named Pipes

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See Also:

2.2.3 Instant Client Light Language and Character Set Requirements

In addition to the requirements described in the previous section, if you plan to use Instant Client Light, the applications must use the following languages and character sets:

• Language: Any language that is supported by Oracle, but only US English error messages are returned for errors generated on the client side.

• Territory: Any territory that is supported by Oracle.

• Character sets:

  • Single byte

    • US7ASCII

    • WE8DEC

    • WE8ISO8859P1

    • WE8MSWIN1252

  • Unicode

    • UTF8

    • AL16UTF16

    • AL32UTF8

Instant Client Light can connect to databases having one of the following database character sets. An error is returned if a character set other than those in the list is used as the client or database character set.

• US7ASCII

• WE8DEC

• WE8MSWIN1252

• WE8ISO8859P1

• WE8EBCDIC37C

• WE8EBCDIC1047

• UTF8

• AL32UTF8

Instant Client Light can also operate with the OCI Environment handles created in the OCI_UTF16 mode.

The language, territory, and character sets are determined by the NLS_LANG parameter, which is stored in the registry under the HKEY_LOCAL_MACHINESOFTWAREORACLEKEY_HomeNameNLS_LANG subkey, where HomeName is the unique name identifying the Oracle home.

Caution:

AL32UTF8 is the Oracle Database character set that is appropriate for XMLType data. It is equivalent to the IANA registered standard UTF-8 encoding, which supports all valid XML characters.

Do not confuse Oracle Database database character set UTF8 (no hyphen) with database character set AL32UTF8 or with character encoding UTF-8. Database character set UTF8 has been superseded by AL32UTF8. Do not use UTF8 for XML data. UTF8 supports only Unicode version 3.1 and earlier; it does not support all valid XML characters. AL32UTF8 has no such limitation.

Using database character set UTF8 for XML data could potentially cause a fatal error or affect security negatively. If a character that is not supported by the database character set appears in an input-document element name, a replacement character (usually '?') is substituted for it. This terminates parsing and raise an exception.

See Also:

Appendix C, 'Configuring Oracle Database Globalization Support' for more information on NLS_LANG

2.3 Oracle Database Client Hardware and Software Certification

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 My Oracle Support (formerly OracleMetaLink) Web site for the most up-to-date list of certified hardware platforms and operating system versions. This Web site also provides compatible client and database versions, patches, and workaround information for bugs. The My Oracle Support (formerly OracleMetaLink) Web site is available at the following URL:

You must register online before using My Oracle Support (formerly OracleMetaLink). After logging in, click the Certifications tab from the list of tabs in the home page. On the Certification Information page, choose a product by using the Select Product menu on the left side of the page. Other options include Product Roadmap, and Quick Links.

The following sections list the certification information:

2.3.1 Windows Telnet Services Support

Windows 2000, Windows 2003, Windows Server 2003 R2, 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, in the same way that they do on UNIX. Oracle supports database command line utilities, such as SQL*Plus, Export, Import, and SQL*Loader, using this feature, but does not support their 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.

2.3.2 Windows Terminal Services and Remote Desktop Support

Oracle supports installing, configuring, and running Oracle Database through Terminal Services on Windows 2000, Windows 2003, Windows Server 2003 R2, Windows XP, and Windows Vista. To install Oracle Database, Oracle recommends that you start all configuration tools from the Terminal Server console session of the server (using mstsc/console).

For Windows 2000, Oracle supports installing, configuring, and running Oracle Database Client from a remote Terminal Services Client. You can configure Windows 2003 to use Terminal Services in Remote Desktop for Administration Mode or Terminal Server Mode. For Windows XP and Windows Vista, the Remote Desktop is only available in Single User Mode.

See Also:

• The Microsoft Web site for more information about terminal servers

• The My Oracle Support Web site for the latest Terminal Server certification information

2.3.3 Components Supported on Windows XP and Windows Vista (32-Bit)

All Oracle Database Client components are supported on Windows XP and Windows Vista with the following exceptions:

• DCE Adapter Support

• Entrust PKI Support

• nCipher Accelerator Support

• Oracle Services for Microsoft Transaction Server are not supported on Windows Vista. As a result, all Oracle Windows data access drivers on Windows Vista that use Oracle Services for Microsoft Transaction Server to enlist in Microsoft Distributed Transaction Coordinator (MSDTC) coordinated transactions cannot participate in those coordinated transactions. These data access drivers include Oracle Data Provider for .NET, Oracle Provider for OLE DB, Oracle Objects for OLE, and ODBC. Check My Oracle Support for up to date information on Oracle Services for Microsoft Transaction Server certification with Windows Vista.

• Oracle Fail Safe Manager Console is supported on Windows XP but not on Windows Vista.

Additional Components Supporting Windows Vista (32-Bit)

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Oracle Developer Tools for Visual Studio .NET 10.2.0.2.20 or higher is certified for Microsoft Vista beginning with Oracle Data Access Components (ODAC) 10.2.0.2.21. Oracle Data Access Components bundle these products together in a single installation and is available for download from Oracle Technology Network:

The tools provide support for Microsoft Visual Studio 2005 and Microsoft Visual Studio .NET 2003 users.

2.3.4 Unsupported Components on Windows x64

All Oracle Database Client components are supported on Windows x64 with the following exceptions:

• DCE Adapter

• GNU Compiler Collection (GCC)

• Oracle Developer Tools for Visual Studio .NET

• Oracle HTTP Server

• Business Components for Java (BC4J)

• CyberSafe Adapter Support

• Entrust PKI Support

• Java Server Pages

• nCipher Accelerator Support

• Oracle Services for Microsoft Transaction Server are not supported on Windows Vista. As a result, all Oracle Windows data access drivers on Windows Vista that use Oracle Services for Microsoft Transaction Server to enlist in Microsoft Distributed Transaction Coordinator (MSDTC) coordinated transactions cannot participate in those coordinated transactions. These data access drivers include Oracle Data Provider for .NET, Oracle Provider for OLE DB, Oracle Objects for OLE, and ODBC. Check My Oracle Support for up to date information on Oracle Services for Microsoft Transaction Server certification with Windows Vista.

• Oracle Objects for OLE

• Oracle Fail Safe Manager Console

2.3.5 Third-Party Database Certification for SQL Developer

SQL Developer can be used to view metadata and data of several non-Oracle databases. The following table lists the third-party database certifications.

Database	Releases	Notes
Microsoft Access	Access 97 Access 2000 Access 2003	For any Access release: no JDBC driver needed, but you must ensure read access to the system tables in the.mdb file.
Microsoft SQL Server	SQL Server 7 SQL Server 2000 SQL Server 2005	For any Microsoft SQL Server release: JDBC driver jtds-1.2.2.jar required. This is included in the jtds-1.2-dist.zip available from sourceforge.net.
MySQL	MySQL 3.x MySQL 4.x MySQL 5.x	For any MySQL release: JDBC driver required. For MySQL 5.x: mysql-connector-java-5.0.4-bin.jar is required, which is included in mysql-connector-java-5.0.4.zip.

2.3.6 Web Browser Support

The following Web browsers are supported for Oracle Enterprise Manager Database Control:

• Netscape Navigator 7.2

• Netscape Navigator 8.1

• Mozilla version 1.7

• Microsoft Internet Explorer 6.0 SP2

• Microsoft Internet Explorer 7.0 or later

• Firefox 1.0.4

• Firefox 1.5

• Firefox 2.0

Note:

Microsoft Internet Explorer 7.0 is the only web browser certified on Windows Vista.

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2.4 Recommended System Requirements for SQL Developer

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The following are recommended CPU, memory, and display requirements on the supported systems for SQL Developer:

Resource	Recommended
Operating System	Windows 2000-Service Pack 4 (32-Bit only) Windows Server 2003 R2 Windows XP-Service Pack 2
CPU Type and Speed	Pentium IV 2 GHz or faster
Memory	1 GB RAM (recommended), 256 MB RAM (minimum)
Display	65536 colors, set to at least 1024 X 768 resolution
Java SDK	JDK 5.0 Update 6 or later