Outlook Web App – Unified Messaging 500 Unexpected Error :(

Environment: Exchange Server 2013 – On Premise Skype for Business Server 2015 – On Premise User Enabled for both Skype for Business Enterprise Voice and Exchange Unified Messaging for voicemail Issue: When logging into Outlook Web App via https://exchange.domain.com/owa clicking Tool -> Options -> Phone You receive the beautiful error message of : 500 Unexpected […]

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