We've been running a CRM 2015 installation for a couple of years and suddenly one day the integration to SharePoint 2013 stops working. We get a message "This content cannot be displayed in a frame". I have read some suggestions about it here in the forum about adding the domains to trusted sites, but they already are and they are in the same domain. I have also checked the browser settings about 'Delete browsing history on exit' and it is not set. Does anybody have asuggestion on what else could be wrong?
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