The Setup.exe program included with ArcGIS Mapping for SharePoint allows you to easily modify which sites and web applications contain ArcGIS Mapping functionality.  To change which sites :

1. Double-click the Setup.exe file to open it.
   
   
2. The installer will perform a series of checks to see whether ArcGIS Mapping for SharePoint has been installed and to ensure that the installer can perform its functions.  If a check fails, the installer will provide information about the failure.  Once the checks have completed successfuly, click Next.
   
   
3. Select the Modify option and click Next.
   
   
   
   
   
4. Choose the web applications or site collections to enable or disable ArcGIS Mapping on.  In the Web Applications / Site Collections tree, each top-level node represents SharePoint web application, while each child node represents a site collection.  In the screenshot below, ArcGIS Mapping for SharePoint is being targeted for deployment to the site collection located at http://hai/my and the web application located at http://hai:3333. Note that, if you target a web application, ArcGIS Mapping for SharePoint will be available to all site collections within that web application.
   
   
   
   Once you have selected the target web applications and site collections, click Next. 
   
   
5. The installer will deploy and activate ArcGIS Mapping for SharePoint to the selected site collections and deactivate ArcGIS Mapping for SharePoint on any unchecked site collections.  Once the operation is complete, click Next to view a log of the operations or Close to close the setup program.