Once Lync completes the OWA (WAC) discovery, the URLs returned by Office Web Apps are maintained within memory only. An important note here is that the URLs above are not maintained within the Central Management Store. The message above indicates that Office Web Apps discovery has completed and Lync can successfully use OWA (WAC) for PowerPoint broadcasting. Office Web Apps Server external attendee page: Office Web Apps Server external presenter page: Office Web Apps Server internal attendee page: Office Web Apps Server internal presenter page: Web Conferencing Server Office Web Apps Server (WAC) discovery has succeeded When the Lync Web Conferencing MCU starts up and all is well between your Lync and OWA (WAC) environments, youвЂ™ll see the following entry within the Lync Application event log: The discovery URL above is what Lync uses to obtain information from Office Web Apps on what URLs are available for the Lync Web Conferencing MCU and Lync clients to use for PowerPoint broadcasting.

Within my Lync topology, I have configured the topology to have a single Office Web Apps server: Additionally, having distinct URLs keeps in-line with the general URL best practices/requirements for Lync Web Services in having separate and distinct URLs for internal web services vs external web services. I would advise against that approach, however, as it requires having to extend split-brain DNS to Office Web Apps. Note: Technically speaking, the two URLs could be exactly the same. For example, my lab environment has the following configuration: Generally speaking, each Office Web Apps farm has two URLs configured вЂ“ an internal URL and an external URL. вЂњCuriosity killed the catвЂќ, they say, but I survived and have a better understanding of Lync and Office Web Apps as a result. Office Web Apps is still becoming learned by Lync integrators and administrators, so not much information is available on the Internet on what occurs when that option is selected. Over the past year IвЂ™ve never yet had a reason to check that box and honestly didnвЂ™t have a very good idea of what happens if you do. Office Web Apps Server is deployed in an external network (that is, perimeter/Internet) Our industry experts have collected the latest application modernization trends impacting the automotive, financial services, healthcare, and manufacturing verticals.ДЇor those that have deployed Lync 2013 alongside Office Web Apps 2013, weвЂ™ve all seen this seemingly innocuous check box: Application Modernization Industry Quick GuidesДЄpplication modernization enables you to optimize business processes and transform the way you do business today, and in the future.

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