The Microsoft Connectivity Analyzer is a tool for identifying common connectivity issues for Outlook, Lync, and Office 365. Read more about this tool here or watch the short introduction video here.

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Lync Connectivity Analyzer helps Lync administrators determine whether the deployment and configuration of their Lync Server environment meets the requirements to support connections from Lync Windows Store app for Windows 8 and Windows RT, and from Lync mobile apps. Read more about this tool here.

Download the tool here.