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Adding a "Cloud Only" SIP Domain in a Skype for Business Hybrid World
You know the old saying, when it rains it pours. Well, I had 4 different inquiries last week alone on this topic. I thought I knew how it would work, but figured I needed proof. So naturally, I took...
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Azure Voice Mail…Explained (Kind of)
I’m not sure about the rest of the world, but Azure Voicemail (AVM), aka Cloud PBX Voicemail, has had me utterly confused. I want to take a minute and explain what I’ve discovered, deduced, and can...
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Skype Meeting Icon missing from OWA in Exchange Online (TLS 1.0 Required)
In an effort to adhere to stricter security policies and updated PCI guidelines, a recent customer implemented a policy that required SSL 3.0, TLS 1.0, and known vulnerable cipher suites to be...
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Office Web Apps Not Supported on Non-System Drive
Issue: I ran into the following scenario during a recent project. Skype for Business users were unable to present Power Point Presentations, and were presented with the following error message:...
View ArticleStorage Service had an EWS Autodiscovery Failure–32054
I ran into the following scenario during a recent project. We were migrating Exchange On-Premise to Exchange Online. Issue: Users are unable to see Meetings using the Lync Mobile Client, and Event...
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Lync EWS Broken During Exchange 2013/2007 Transition
Issue: During the transition to Exchange 2013 from Exchange 2007, Exchange Web Services (EWS) integration for Lync will be unavailable for users whose mailboxes remain on Exchange 2007. MAPI...
View ArticleLync On-Premise Mobility Configuration Can Cause issues with Lync Online...
Setup: In this scenario: Bob, a Lync On-Premise user, receives a Lync Meeting request from Carol, a Lync Online (Office 365) user These users are not in the same organization Federation is not...
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Application Layer Firewall Blocks Lync Application Sharing
Anyone familiar with deploying Lync knows there are a lot of firewall requirements. There are plenty of great articles detailing the port requirements, so I won’t get into that. But what happens when...
View ArticleLync Edge DNS LB EE Pool using Hosts File
Issue: Adding multiple host names within a single line item in the Hosts file results in in the Edge server not properly failing over between the internal FE servers in the EE Pool. When using DNS...
View ArticleLync DTMF issues with CUCM 8.6(1a)
Issue: When setting up a Direct SIP connection between Lync and CUCM 8.6(1a) DTMF digits are not passed from CUCM to Lync. The DTMF has been negotiated properly as RFC2833 within the SIP signaling,...
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Lync Edge Hairpin Requirement
Lync Edge DNS Round Robin w/ NAT: Hairpin/50k Port Range Issue Issue: Bob (remote user) tries to call Carol (internal user) but receives an error message indicating the “Call failed due to network...
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