关于使用Oracle9i时，无法找到客户端的解决办法

　　这个其实是由于Oracle9i装在2000的NTFS分区上产生的错误。主要是IIS的权限不足，找不到Oracle9i的文件导致的错误。
　　
　　Oracle 公司的原版资料：
　　Problem Description -------------------　When running an application that connects to Oracle and uses the Authenticated User privilege (sUCh as Microsoft’s Internet Information Server (IIS)) via Oracle’s 9.2 client software and any of these programmatic interfaces
　　1.Oracle Provider for OLE DB
　　2.　Microsoft OLE DB Provider for Oracle
　　3.　Oracle ODBC Driver
　　4.　Microsoft ODBC for Oracle
　　5.　Oracle Objects for OLE (OO4O)　you will receive one of the following errors:
　　a)　Oracle Provider for OLE DB　　　　 Error Type:　Microsoft OLE DB Service Components (0x80070005)　　　　 Access is denied.
　　b)　Microsoft OLE DB Provider for Oracle　　　　　Error Type:　Microsoft OLE DB Provider for Oracle (0x80004005)　　　　 Oracle client and networking components were not found. These components　　　　are supplied by Oracle Corporation and are part of the Oracle Version　　　　7.3.3 or later client software installation. Provider is unable to　　　　function until these components are installed.　　　　 Or　　　　 Error Type:　Microsoft OLE DB Provider for Oracle (0x80004005)　　　　　　　　Oracle error occurred, but error message could not be retrieved from　　　　Oracle.
　　c)　Oracle ODBC Driver　　　　 Error Type:　Microsoft OLE DB Provider for ODBC Drivers (0x80004005)　　　　 Specified driver could not be loaded due to system error 5 (Oracle in　　　　OraHome92).
　　d)　Microsoft ODBC for Oracle　　　　 The Oracle(tm) client and networking components were not found.　These　　　　components are supplied by Oracle Corporation and are part of the Oracle　　　　 Version 7.3 (or greater) client software installation.　　　　 You will be unable to use this driver until these components have been　　　　installed.
　　e)　Oracle Objects for OLE
　　i.　while using a GLOBAL.ASA file　　　　　　 Error Type:　Active Server Pages (0x0)　　　　　　 An error occurred while creating object ’OraSession’.
　　ii.　not using a GLOBAL.ASA file　　　　　　 Error Type:　Microsoft VBScript runtime (0x800A0046)　　　　　　 Permission denied: ’CreateObject’　　　(6)
　　f)　Other miscellaneous errors
　　
　　The Specified Module Could Not Be Found　 Solution Description --------------------　You need to give the Authenticated User privilege to the Oracle Home by following these steps:
　　i.　Log on to Windows as a user with Administrator privileges.
　　ii.　Launch Windows EXPlorer from the Start Menu and and navigate to the　　　　ORACLE_HOME Directory.
　　iii.　Right-click on the ORACLE_HOME folder and choose the "Properties" option　　　　from the drop down list.　A "Properties" window should appear.
　　iv.　Click on the "Security" tab on the "Properties" window.
　　v.　Click on "Authenticated Users" item in the "Name" list (on Windows XP the　　　　"Name" list is called "Group or user names").
　　vi.　Uncheck the "Read and Execute" box in the "Permissions" list (on Windows　　　　XP the "Permissions" list is called "Permissions for Authenticated Users").　　　　This box will be under the "Allow" column.
　　vii.　Check the "Read and Execute" box.　This is the box you just unchecked.
　　viii.　Click the "Apply" button.
　　ix.　Click the "OK" button.
　　x.　You may need to reboot your computer after these changes have been made.　Re-execute the application and it should now work.
　　
　　Explanation -----------　If you install Oracle9i Release 2 (9.2.0.1) on a computer running Windows with an NTFS partition,
the contents of ORACLE_HOME directory will not be visible to users who are authenticated on that machine.　These permissions were not set properly when the software was installed.　Applications that were working fine with previous versions of Oracle software will stop working when they upgrade to Oracle 9.2.
　　
　　NOTE: The application will continue to work if the user has logged onto the　　　　 machine as an Administrator.　Any application that is using the Authenticated User privilege will not work. A notable example would be IIS which might service some of the requests based on the Authenticated User privileges.　To demonstrate the problem in further detail, you can log on to the operating　system as an authenticated machine user.　You won’t be able browse the contents of the ORACLE_HOME directory demonstrating your inability to load any Oracle DLLs or make a connection.
　　
　　References ----------　　Bug:2498880 - Oracle 9I Release 2 Installation Issue on windows 2000 NTFS　　　　　　　　 File System　 Additional Search Words ----------------------- OLEDB