Before you can use SAP Gateway functionality you have to activate it globally in your system.
You can activate and deactivate SAP Gateway. When you deactivate it, all SAP Gateway OData services stop running, no consumer servers can communicate with it, and an error message is sent to any system that calls for the services.
When you have completed the installation and post-installation configuration described in the sections above, you must activate SAP Gateway.
Before activating SAP Gateway, ensure that you have first installed and configured the consumer server.
Proceed as follows:
In transaction SPRO open the SAP Reference IMG and navigate to: and click on the Activity icon.
A message displays.
A message displays informing you of the current status.