- Lync 2013 to Skype for 2015 | Jaap Wesselius
- Skype for Updates – Jeff Schertz's Blog
- Skype for Business 2015 In-Place Upgrade Step by Step : Obsessed
- Upgrading Skype Business Server 2015 greiginsydney.com
- Plan to upgrade to Skype for Business Server 2015 - Skype for Business Server 2015 Microsoft Learn
- SFB Server 2015 (July 2019) released ThomasJuhlOlesen.dk
- SfB Server 2015: failed: RewriteModule…failure – UC Lobby
- Skype for Business Server 2015 December Cumulative Update–Lots of and Improvements Martin Boam's Microsoft Blog
- Skype for Server In-Place Upgrade Step by – Mark Consulting
- Skype for Business Server 2015 December Cumulative Update–Lots of and Improvements Martin Boam's Microsoft Blog
- Install prerequisites for Skype for Business Server - Skype for Business Server 2015 Microsoft Learn
- Skype for Business Server 2022 confirmed, be available as a subscription - Talks
- How to install Skype for Business Server 2015 on Windows Server 2016 Microsoft
- Lync and Skype for Business Updates : Obsessed
- Upgrading Skype Business Server 2015 greiginsydney.com
- Install Skype for Business Server on servers in the - for Business Server 2015 | Microsoft Learn
- Lync Server 2013 to Skype for Business Server 2015 Upgrade Process, Notes, & Issues - Eric Marsi
- Microsoft Skype for Server 2015: What's | Computerworld
- Upgrading to Skype For Business Server form Lync Server platform | The Techie
- Skype for Business Server CU12 Released – Important Changes & Prerequisite Troubleshooting – Michael Paul | @micoolpaul