debugging question

[Stapleton, Steven]

> > One possibility, perhaps, is a mistake in metadata.  If the SPs were
> > both maintained by the same person and SP B's metadata  ended up with
> > some of SP As endpoints in it, that *might* lead to a case where a
> > link targeted at SP B led to an error on SP A.
>
> Yes, or some related hostname mixup, you're right. I was thinking by "link to B" that the immediate response was
 > the error, but if it hits the IdP first and then back to an SP and you get an error that looks like A, then something like 
> that is probably the issue. Most likely B doesn't know its proper name and vhost information and is identifying itself 
> as A.

Would this name/vhost be set up in the OS, Apache or Shibboleth? Note, no other servers have had this issue linking to B.

Thanks,
-Jim Stapleton