symbols become squares in cache

[AwesomeEvan]

My point symbols in my cache are getting turned into getting squares... These should be handicap symbols

Any ideas why, or what I can try to remedy this?

should be 

[JonathanQuinn]

If the service is rendered dynamically, do the symbols show up?  If not, you know it's not a problem with caching.  I would expect the same problem with a dynamic service.  It's likely that the handicap symbol font isn't installed on the Server machine, which is surprising because I thought that was a default symbol.

[AwesomeEvan]

Thanks

I after setting it up a few times, this time I left it on rendering dynamically, when I was intending to cache...

I set it to a cached tile service and all is well.