Download Oracle Client 8.1 7 Windows

Newer clients can connect to Oracle 8i databases if you set SQLNET.ALLOWED_LOGON_VERSION=8 in sqlnet.ora. However, some 8i features (like old Outer Joins) may fail.

For modern Windows versions, you must configure compatibility settings before running the installer. download oracle client 8.1 7 windows

Open a command prompt:

sqlplus system/manager@your_database

If you see SQL*Plus: Release 8.1.7.0.0, success. Newer clients can connect to Oracle 8i databases

Oracle 8.1.7 is strictly a 32-bit application. If you see SQL*Plus: Release 8

This guide covers the process of locating, downloading, and preparing to install the Oracle 8i Client (Release 8.1.7).

Add these to your System Variables:

ORACLE_HOME = C:\oracle\ora817
PATH = %ORACLE_HOME%\bin;%PATH%
TNS_ADMIN = %ORACLE_HOME%\network\admin (if using custom tnsnames.ora)