Error could not load contacts at this time

Topics: Bugs, Questions and Answers
Nov 27, 2013 at 6:58 AM
Hey,

I've installed and activated the feature and added users to the SharePoint Messenger Group but i keep receiving this error whenever I added the webpart to the site / page in SharePoint Designer.

This is an ULS Viewer log:

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Can someone help me please? :)
Nov 28, 2013 at 8:54 AM
Additional information:
Request:
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Answer from Header:
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This information came from IE Browser ( F12 - Network )
Nov 28, 2013 at 9:32 AM
The Could not load contacts at this time error went away when enabling Form Authentication in IIS under SharepointMessenger.Webservices

But enabling this left me with the Unauthorized error.