Have you ever received this error?

RegistrationError: XigniteXXXXX: Maximum number of unregistered requests exceeded. Consider registering or subscribing to expand usage. Your request was authenticated using your IP address…

For example, you might get it if you have been developing on a test server with an IP address that has been authenticated by Xignite. Then, you move your application to a different production server.  If you haven’t registered the new production server’s IP address, you will receive a message like this one when trying to use the relevant Xignite Web service.

To resolve it, all you need to do is log into your Xignite account and add the new IP address (you automatically received a login when you register for the free trial or make a purchase).  One of the key features of the My Account screen is the Manage IP address link.  This link will allow you to manage your IP addresses that are used for authentication.  In addition to logging in directly, you can also add an IP address using the XigniteHelp Web service.  This service has an operation called AddIPAddress that will allow you to add new IP addresses without logging in to your account.