Why and when to perform this task
When you install WebSphere Application Server, or an upgrade or fix pack, the installation program does not install the gateway. The installation program copies the gateway files into directories within your application server directory structure, then you install the gateway into your application server as a separate task.
When you install the gateway, any previously configured gateway is replaced with an upgraded but empty gateway. If you want to preserve an existing gateway configuration, you need to save the configuration before you install the upgraded gateway into your application server, then restore the configuration after the upgrade is installed.
To preserve your existing gateway configuration, complete the following steps:
Steps for this task