I have a problem that needs to be addressed. Our network recently shifted to a DOD CAC only login for the network, this works fine. The problem is off the network OWA does not authenticate with the DOD Common Access Cards. I have Exchange 2013 SP1 and
previous to SP1 I was able to use CAC's for OWA by requiring SSL in the IIS Manager. After SP1 if I do not enable windows authentication the default web site the screen goes blank and never starts OWA. If I enable windows authentication, computers on the domain
will log into OWA fine, computers not on the domain will select the CAC and put in the pin but will return a page cannot be found in the browser. I am trying to find a solution quickly because we have users that the only access to their email they have is
via OWA.
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