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<div>I found the issue. The idp-metadata.xml file on our IDP look different from other ones I have seen. The first 3 certificates in the IDP metadata are all the same and the bottom 3 are different. I imagine this is a mistake made from the person who originally
set up our IDP. When I provide the SP with the metadata that we provide to InCommon (containing only the signing cert) it works fine, but when I give the SP the entire idp-metadata.xml file from the IDP, which I did, it gives me the error I received. I have
changed the metadata on the SP to the InCommon one and everything is working fine now.</div>
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<div>Thanks for helping track down the issue,</div>
<div>Bill</div>
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