One container, two IDPs?

[Peter Schober]

* Matthew Slowe <m.slowe at kent.ac.uk> [2016-07-06 15:34]:
> Office365 wants the IDP entityid to be unique across its system per
> authenticated "domain". We have two domains (user principle name
> suffixes) in play so need two different IDP entityids.

Setting a different entityID when federating with a specific SP is
possible and much easier than any alternative you're considering.
-peter