SharePoint: Getting Authentication Login Prompt When Trying To Open Office Document With Unique Permissions

November 6, 2012

The problem is in opening an Office document which is saved in SharePoint 2010: When a user has a "read" permission only to a specific document in a document library, but do not have any permissions in the document library level nor the site level. When he is accessing the document, he receives the "Download File" message with "Open" / "Save" / "Cancel" options. When clicking "Open", he is prompted with a user & password message. When clicking his correct user and password, the user & password message remains – nothing happens. Only when clicking "Cancel" in the user &...