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2 Oracle Database Client Preinstallation Requirements

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

Oracle Database Client Hardware Requirements
Oracle Database Client Software Requirements
Oracle Database Client Hardware and Software Certification

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

Requirement	Minimum Value
Physical memory (RAM)	512 MB minimum, 1 GB recommended On Windows 7, 1 GB minimum
Virtual memory	Double the amount of RAM
Hard disk space	Total ranges between 276–826 MB. See Table 2-3 for details.
Processor Type	Intel-compatible processor
Video adapter	256 colors
Screen Resolution	1024 X 768 minimum

Table 2-2 Windows x64 Hardware Requirements

Requirement	Minimum Value
Physical memory (RAM)	512 MB minimum, 1 GB recommended On Windows 7, 2 GB minimum
Virtual memory	Double the amount of RAM
Hard disk space	Total ranges from 330–1080 MB. See Table 2-4 for details.
Processor Type	AMD64, or Intel Extended memory (EM64T)
Video adapter	256 colors
Screen Resolution	1024 X 768 minimum

2.1.1 Hard Disk Space Requirements

This section lists system requirements for Windows platforms that use the NT File System (NTFS). Oracle strongly recommends that you install the Oracle database home (Oracle database binaries, trace files, and so on) on Oracle ACFS or NTFS; the database files themselves must be placed on Oracle ASM if using Oracle ACFS; otherwise they can be placed on NTFS. Usage of Oracle ACFS and Oracle ASM or NTFS instead of FAT32 is recommended to ensure security of these files.

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 accurate values for disk space, 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 Files\Oracle\Inventory	Oracle Home	Total
Instant Client	100 MB	1.1 MB	175 MB	276 MB
Administrator	100 MB	1.1 MB	725 MB	826 MB
Runtime	100 MB	1.1 MB	475 MB	576 MB
Custom (all components installed)	100 MB	1.1 MB *	580 MB *	681 MB *

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

Table 2-4 Windows x64 Disk Space Requirements on NTFS

Installation Type	TEMP Space	SYSTEM_DRIVE:\Program Files\Oracle\Inventory	Oracle Home	Total
Instant Client	100 MB	5 MB	225 MB	330 MB
Administrator	100 MB	5 MB	995 MB	1060 MB
Runtime	100 MB	5 MB	665 MB	770 MB
Custom (all components installed)	100 MB	5 MB *	975 MB *	1080 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

2.1.2 Verifying Hardware Requirements

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

Determine the physical RAM size. For example, on a Windows 2003 computer, double-click System in the Windows Control Panel and select the General tab.

On a Windows Server 2008 R2 computer, click System and Security in the Windows Control Panel, then click System.

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.
Determine the size of the configured virtual memory (also known as paging file size). For example, on a Windows 2003 computer, double-click System, click the Advanced tab, and click Settings in the Performance section. Then select the Advanced tab.

On a Windows Server 2008 R2 computer, click System and Security, then click System, click Advanced System Settings, click the Advanced tab on System Properties page, and then click Settings in the Performance section. Then select the Advanced tab on Performance Options page.

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

On a Windows Server 2008 R2 computer, right-click My Computer and click Open.
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.

On Windows 32-bit, if there is less than 500 MB of disk space available in the temp directory, then delete all unnecessary files. If the temp disk space is still less than 500 MB, then set the TEMP or TMP environment variable to point to a different hard drive location.

On Windows x64, if there is less than 125 MB of disk space available in the temp directory, then delete all unnecessary files. If the temp disk space is still less than 125 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 Server 2003 computer, double-click System, click the Advanced tab, and click Environment Variables.

On a Windows Server 2008 R2 computer, click System and Security, then click System, click Advanced System Settings, click the Advanced tab on System Properties page, and then click Environment Variables.

2.2 Oracle Database Client Software Requirements

This section covers the following topics:

General Oracle Database Client Software Requirements for Windows 32-Bit
General Oracle Database Client Software Requirements for Windows x64
Instant Client Light Language and Character Set Requirements

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

Requirement	Value
System Architecture	Processor: Intel (x86), AMD64, and Intel EM64T Note: Oracle provides 32-bit (Windows x86) and 64-bit (Windows x64) versions of Oracle Database Client. The 32-bit database client version runs on the 32-bit version of Windows on either x86 or x64 hardware. Oracle certifies 32-bit Oracle Database Client on Windows x64. Table 2-6 lists the operating systems supported on Windows x64.
Operating System	Oracle Database Client for Windows is supported on the following operating systems: Windows Server 2003 - all editions Windows Server 2003 R2 - all editions Windows XP Professional Windows Vista - Business, Enterprise, and Ultimate editions Windows Server 2008 - Standard, Enterprise, Datacenter, Web, and Foundation editions. The specific operating system component that is not supported is Server Core. For information about Hyper-V support, visit My Oracle Support (formerly OracleMetaLink) at https://support.oracle.com/ Windows 7 - Professional, Enterprise, and Ultimate editions Windows Multilingual User Interface Pack is supported.
Compiler	ProCobol has been tested and certified with Net Express 5.0. Object Oriented COBOL (OOCOBOL) specifications are not supported. The following components are supported with the Microsoft Visual C++ .NET 2005 8.0, Microsoft Visual C++ .NET 2008 9.0, and Intel 10.1 C compilers: Oracle Call Interface External callouts ProC/C++ XDK Oracle C++ Call Interface is supported with Microsoft Visual C++ .NET 2005 8.0 Microsoft Visual C++ .NET 2008 9.0 - OCCI libraries are installed under `ORACLE_HOME\oci\lib\msvc\vc9`. When developing OCCI applications with MSVC++ 9.0, ensure that the OCCI libraries are correctly selected from this directory for linking and executing. Intel 10.1 C++ compiler with the relevant Microsoft Visual C++ .NET STLs.
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:

"Windows Terminal Services and Remote Desktop Support"
"Unsupported Components on 32-Bit Windows Client Operating Systems"

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, and Intel EM64T Note: Oracle provides 32-bit (Windows x86) and 64-bit (Windows x64) versions of Oracle Database Client. Oracle certifies 32-bit Oracle Database Client on Windows x64. The supported Windows x64 operating systems are listed in the following section.
Operating System	Oracle Database Client for Windows is supported on the following operating systems: Windows Server 2003 - all x64 editions Windows Server 2003 R2 - all x64 editions Windows XP Professional x64 Windows Vista x64 - Business, Enterprise, and Ultimate editions Windows Server 2008 x64 and Windows Server 2008 R2 x64 - Standard, Enterprise, Datacenter, Web, and Foundation editions. The Server Core option is not supported. Note: For more information about Hyper-V support, visit My Oracle Support (formerly OracleMetaLink) at https://support.oracle.com Windows 7 x64 - Professional, Enterprise, and Ultimate editions Windows Multilingual User Interface Pack is supported.
Compiler	ProCobol has been tested and certified with Net Express 5.0. Object Oriented COBOL (OOCOBOL) specifications are not supported. The following components are supported with the Microsoft Visual C++ .NET 2005 8.0, Microsoft Visual C++ .NET 2008 9.0, and Intel 10.1 C compilers: Oracle Call Interface External callouts ProC/C++ XDK Oracle C++ Call Interface is supported with Microsoft Visual C++ .NET 2005 8.0 Microsoft Visual C++ .NET 2008 9.0 - OCCI libraries are installed under `ORACLE_HOME\oci\lib\msvc\vc9`. When developing OCCI applications with MSVC++ 9.0, ensure that the OCCI libraries are correctly selected from this directory for linking and executing. Intel 10.1 C++ compiler with the relevant Microsoft Visual C++ .NET STLs.
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:

"Windows Terminal Services and Remote Desktop Support"
"Unsupported Components on Windows x64"

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_MACHINE\SOFTWARE\ORACLE\KEY_HomeName\NLS_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 an irrecoverable 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 raises 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:

https://support.oracle.com/

You must register online before using My Oracle Support (formerly OracleMetaLink). After logging in, click More and then select Certifications from the list. On the Certification Information page, the Certification Options list appears. Other options include Product Roadmap, Product Availability, and Lifetime Support Policy.

The following sections list the certification information:

Windows Terminal Services and Remote Desktop Support
Oracle Services for Microsoft Transaction Server
Unsupported Components on 32-Bit Windows Client Operating Systems
Unsupported Components on Windows x64
Third-Party Database Certification for SQL Developer
Web Browser Support

2.3.1 Windows Terminal Services and Remote Desktop Support

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

Platform-specific support information is as follows:

Windows 2003 and Windows Server 2003 R2: You can configure Windows 2003 and Windows Server 2003 R2 to use Terminal Services in Remote Desktop for Administration Mode or Terminal Server Mode.
Windows XP, Windows Vista, and Windows 7: The Remote Desktop is only available in Single User Mode.
Windows Server 2008 and Windows Server 2008 R2: You can have multiple Remote Desktop sessions.

See Also:

The Microsoft Web site for more information about Remote Desktop Services

http://www.microsoft.com/
The My Oracle Support (formerly OracleMetaLink) Web site for the latest Terminal Services and Remote Desktop Services certification information

https://support.oracle.com/

2.3.2 Oracle Services for Microsoft Transaction Server

Oracle Services for Microsoft Transaction Server running on Windows Vista requires a minimum of Service Pack 1 or higher.

2.3.3 Unsupported Components on 32-Bit Windows Client Operating Systems

All Oracle Database Client components are supported on Windows XP, Windows Vista, and Windows 7 with the following exceptions:

DCE Adapter Support
Entrust PKI Support

2.3.4 Unsupported Components on Windows x64

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

DCE Adapter
Business Components for Java (BC4J)
CyberSafe Adapter Support
Entrust Authority
Java Server Pages
Oracle Objects for OLE
Oracle Warehouse Builder Design Center Client

2.3.5 Third-Party Database Certification for SQL Developer

You can use SQL Developer 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:

Microsoft Internet Explorer 6.0 SP2
Microsoft Internet Explorer 7.0
Microsoft Internet Explorer 7.0 SP1
Microsoft Internet Explorer 8.0
Netscape 8.1
Netscape 9.0
Firefox 2.0
Firefox 3.0.7
Safari 3.0.4
Safari 3.1
Safari 3.2

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