Thanks for pointing out that thread. I ended up getting it working. I didn't have to make any changes in the Wwise tool from that thread, but it did help me find the problem. Turns out the event I was trying to post had 2 Switch groups assigned to it but one of them didn't have a default specified. The Faction on that I was setting was actually working but because the second swtich group had no default and i wasn't setting it it wasn't working. Once I figured this out I was able to get it working.
Thanks again for all your help today.
Jared