Tag Archives: Exchange

Skype-For-Business

Configure Office 365 Hosted Voicemail with Skype for Business Server 2015

With Telephony / Enterprise Voice enabled in a Skype for Business of Lync on-premises environment, one of the requested features could be Voicemail. In full on-premises deployments this will require Unified Messaging to be installed, configured and enabled in the Exchange Server topology. However, when your environment or customer makes use of Office 365 for…

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ExchUcUtil.ps1 fails to run when using underscores in servernames

One most common task of a Lync deployment is to connect Exchange UM to Microsoft Lync for voicemail purposes. Recently, I came across a major flaw in this procedure. To be compliant with the customers’¬†server naming convention, underscores were used in both server- and pool names. While it is not recommended using underscores in Lync…

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Federation stops working after enabling a HostingProvider with “EnabledSharedAddressSpace” turned on

This could be, for example, Lync- or Exchange Online¬†/ Office365. Recently, federation broke when implementing “voicemail in the cloud” with Microsoft’s Exchange Online. Microsoft Exchange was configured in Hybrid mode, all successful and operational – users could be moved back and forth and use either Exchange on-premise or Exchange online. Unified Messaging was already enabled…

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Exchange Unified Messaging – enable multiple mailboxes for UM

When configuring Exchange Unified Messaging, the last step in the process is to enable a mailbox for Unified Messaging. This means, each individual user from OCS need to have a mailbox, and this mailbox needs to be enabled for UM. In my situation, all OCS users already had an exchange mailbox, as only the UM…

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