Resolution:
The primary and secondary Directors for an Engine is set during Engine installation. You can later change the Directors to which an Engine reports, by changing the Engine Configuration used by the Engine.

To configure an Engine's Directors:

   1. Log in to the GridServer Administration Tool.
   2. Select the Engine Tab, then select the Engine Configuration page.
   3. Select the Engine distribution used by the Engine. This is typically the operating system of the Engine.
   4. Go to the Directors and Brokers heading and change Primary Director URL and Secondary Director URL to the corresponding addresses and ports of the primary and secondary Directors, in the format http(s)://address:port.

Note that this will change the Directors for all Engines using that Engine distribution.