Issues with Unified Contact Store in combination with Lync on-premises and Exchange Online
Reading Time: 2 minutesI've encountered an issue that popped up while I was testing a move from Exchange On-premises to Exchange Online (EXO) while Lync Server 2013 remained on-premises due to Enterprise Voice. Outlook Web Access (OWA) from Exchange Online can be integrated with on-premises Lync, this way OWA users can see presence and have limited IM functionality just like what's possible if both products are on-premises. For this to work you'll need Lync Edge servers because OWA EXO will act as an
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