New answers tagged adfs
Resolved: As it turned out, the Windows groups were Domain Local groups. We only have a single forest/single domain, so I'm not sure why it mattered, but once we changed them to either Universal or Global groups, Sharepoint was able to resolve membership.
Did you add in Elements.xml inside CustomAction this? HostWebDialog="TRUE" HostWebDialogWidth="500" HostWebDialogHeight="500" EDIT If you are using Cross Site Publishing try adding <WebPartPages:AllowFraming runat="server"/> inside master page like in this link
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