You can change an existing instance using the Change Instance wizard in the Instances portlet. The type of information you can change and the steps of the wizard vary by product.
Instances that are shared by a group can only be changed by the group owner.
To change an instance, do the following:
Select the Home folder in the navigation area.
Locate the Instances portlet on the Home page.
Note: Note:If a portlet on this page has been maximized, you may need to restore it to its normal state to see this portlet.Select the Change action for the instance you want.
The Change Instance wizard appears.
Select a portal connection to use for discovery. Then click Next.
The remaining steps in the wizard vary for each product selected. Follow the wizard instructions to specify or select the requested information. Click Next to advance to the next step. When you reach the Summary step, click Finish.