Microsoft releases December 5, 2017, update for Skype for Business 2015 (Lync 2013) (KB4011284)
Fixes: KB 4054669 Can’t set the maximum number of contacts for a Skype for Business 2015 (Lync 2013) user KB 4054671 “The requested operation was blocked by policy” error when signing in to Skype for Business 2015 (Lync 2013) KB…
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