GetEventsByForeignID - Not returning event

[netsbselim]

Believe that returning events by ForeignID may be limited by date. I can successfully return events based on the ForeignID for most of our information. Meetings have started getting scheduled out past July of 2017, or about 6 months out. I am unable to return these events by the ForeignID. I have checked the code base but can't see behind the web service call.

Using a known Event ID I can run the following and retrieve the ForeignID.
var mm = new Granicus.MediaManager.SDK.MediaManager();
mm.Connect(GranicusServer, GranicuUsername, GranicusPassword);
var evnt = mm.GetEvent(16934);
var fId = evnt.ForeignID; //212058

Using the ForeignID I run the following and don't get an event.
var mm = new Granicus.MediaManager.SDK.MediaManager();
mm.Connect(GranicusServer, GranicuUsername, GranicusPassword);
var foundevents = mm.GetEventsByForeignID(212058);