Installing 11g Database Gateway When There is an Existing Earlier Oracle Version Installed (Doc ID 954184.1)

Last updated on JANUARY 19, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.0 [Release 11.1 to 11.2]
Oracle Database Gateway for DRDA - Version 11.1.0.6 to 11.2.0.0 [Release 11.1 to 11.2]
Oracle Database Gateway for WebSphere MQ - Version 10.1.0.2 and later
Oracle Database Gateway for Sybase - Version 11.1.0.6 to 11.1.0.7 [Release 11.1]
Oracle Database Gateway for Informix - Version 11.1.0.6 to 11.1.0.7 [Release 11.1]
Information in this document applies to any platform.
***Checked for relevance on 07-Jul-2011***
***Checked for relevance on 23-Sep-2013***

Goal

Give advice on installing 11g Gateway products when there is already an install of Oracle products at an earlier version.
This does not apply where there is already an Oracle install at the same level as the gateway being installed. In that case the 11g gateway can be installed into the existing ORACLE_HOME at the same level but it will then also be necessary to re-apply any patch sets to bring the base gateway to the same level as the existing install.

Solution

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