I encountered a scenario where I was unable to delete the last connection filter in SharePoint 2010. I do now know if this occurs because of a certain cumulative update but this blog helps you delete this last filter. Scenario It is possible to set an connection...
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Identity ManagerUsing ForeFront Identity Manager client for SharePoint
SharePoint 2010 and 2013 both use some parts of ForeFront Identity Manager (FIM) for the synchronization of users between for example AD and SharePoint. It is possible to use the FIM client to monitor this process and review issues related to the User Profile Service...