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Find and manage updates for Skype for Business Server 2019, Skype for Business Server 2015, Lync Server 2013, and Lync Server 2010 in one place. Use the links on this page to get more information about updates, and then download the updates.
Skype is a web-based communication platform that allows users to communicate via standard instant messaging as well as to make video and phone calls for free. The platform supports group video calls involving up to 50 people and the exchange of documents, images, videos, and other multimedia files for easy, streamlined sharing. Jul 05, 2019.
For the latest Skype for Business Online and Microsoft 365 updates, see the Microsoft 365 Roadmap.
Skype for Business Server 2019 update history
KB 4470124 is the master KB for Skype for Business Server 2019 which has all the historical list of all the Cumulative Update and Hotfixes that have been published.
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| Package Name | KB Number | Release Date |
|---|
| Skype for Business Server 2019 Cumulative Update 3 Hotfix 1 | KB 4470124 | July 2020 |
| Skype for Business Server 2019 Cumulative Update 3 | KB 4470124 | March 2020 |
| Skype for Business Server 2019 Cumulative Update 2 | KB 4470124 | December 2019 |
| Skype for Business Server 2019 Cumulative Update 1 Hotfix 1 | KB 4470124 | September 2019 |
| Skype for Business Server 2019 Cumulative Update 1 | KB 4470124 | July 2019 |
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Skype for Business Server 2019 tools
| Package Name/Link | Release Date |
|---|
| UCMA 6.0 SDK | June 2019 |
| Unified Communications Managed API 5.0 Runtime | June 2018 |
| Skype for Business Server 2019, Management Pack | June 2018 |
Skype for Business Server 2015 update history
KB 3061064 contains all Cumulative Updates that have been released.
| Package Name | KB Number | Release Date |
|---|
| Skype for Business Server 2015 Cumulative Update 11 Hotfix 1 | KB 3061064 | July 14, 2020 |
| Skype for Business Server 2015 Cumulative Update 11 | KB 3061064 | May 13, 2020 |
| Skype for Business Server 2015 Cumulative Update 10 Hotfix 1 | KB 3061064 | August 2019 |
| Skype for Business Server 2015 Cumulative Update 10 | KB 3061064 | July 2019 |
| Cumulative update 9 for Skype for Business Server 2015, Web Components Server | KB 4487981 | May 2019 |
| Cumulative update 8 for Skype for Business Server 2015, Front End Server and Edge Server | KB 4464355 | January 2019 |
| Cumulative update 7 for Skype for Business Server 2015, Front End server and Edge server | KB 4340904 | July 2018 |
| Cumulative update 6 Hotfix 2 for Skype for Business Server 2015, Front End server and Edge server | KB 4086059 | March 2018 |
| Cumulative update 6 Hotfix 1 for Skype for Business Server 2015, Front End server and Edge server | KB 4074701 | January 2018 |
| Cumulative update 6 for Skype for Business Server 2015, Front End server and Edge server | KB 4036312 | December 2017 |
| Cumulative update 5 for Skype for Business Server 2015, Front End server and Edge server | KB 4012621 | May 2017 |
| Cumulative update 4 Hotfix 1 for Skype for Business Server 2015, Front End server and Edge server | KB 3207506 | February 2017 |
| Cumulative update 4 for Skype for Business Server 2015, Front End server and Edge server | KB 3199093 | November 2017 |
| Cumulative update 3 for Skype for Business Server 2015, Front End server and Edge server | KB 3149227 | June 2016 |
| Cumulative update 2 for Skype for Business Server 2015, Front End server and Edge server | KB 3134260 | March 2016 |
| Cumulative update 1 for Skype for Business Server 2015, Front End server and Edge server | KB 3097645 | November 2015 |
| Cumulative update for Skype for Business Server 2015, core components | KB 3098601 | September 2015 |
| Cumulative update for Skype for Business Server 2015, Front End server and Edge server | KB 3061059 | June 2015 |
Skype for Business Server 2015 tools
| Package Name/Link | Release Date |
|---|
| UCMA 5.0 SDK | May 2015 |
| Unified Communications Managed API 5.0 Runtime | May 2015 |
| Skype for Business Server 2015, Management Pack | June 2019 |
Lync Server 2013 update history
KB 2809243 contains all Cumulative Updates that have been released. Free music downloads for mac.
| Package Name | KB Number | Release Date |
|---|
| Lync Server 2013 Cumulative Update 10 Hotfix 4 | KB 2809243 | June 2020 |
| Lync Server 2013 Cumulative Update 10 Hotfix 3 | KB 4515509 | September 2019 |
| Lync Server 2013 Cumulative Update 10 Hotfix 2 | KB 4501392 | June 2019 |
| Lync Server 2013 Cumulative Update 10 Hotfix 1 | KB 4458772 | January 2019 |
| Lync Server 2013 Cumulative Update 10 | KB 4295703 | July 2018 |
| Lync Server 2013 Cumulative Update 9 | KB 4019183 | July 2017 |
| Lync Server 2013 Cumulative Update 8 Hotfix 4 | KB 4014154 | March 2017 |
| Lync Server 2013 Cumulative Update 8 Hotfix 3 | KB 3210166 | January 2017 |
| Lync Server 2013 Cumulative Update 8 Hotfix 2 | KB 3212869 | December 2016 |
| Lync Server 2013 Cumulative Update 8 Hotfix 1 | KB 3200079 | November 2016 |
| Lync Server 2013 Cumulative Update 8 | KB 3175336 | August 2016 |
| Lync Server 2013 Cumulative update 7 | KB 3140581 | April 2016 |
| Lync Server 2013 Cumulative Update 6 Hotfix 2 | KB 3175338 | January 2016 |
| Lync Server 2013 Cumulative Update 6 Hotfix 1 | KB 3121213 | December 2015 |
| Lync Server 2013 Cumulative Update 6 | KB 3081739 | September 2015 |
| Lync Server 2013 Cumulative Update 5 Hotfix 10 | KB 3064728 | July 2015 |
| Lync Server 2013 Cumulative Update 5 Hotfix 9 | KB 3051951 | May 2015 |
| Lync Server 2013 Cumulative Update 5 Hotfix 8 | KB 3031065 | February 2015 |
| Lync Server 2013 Cumulative Update 5 Hotfix 7.1 | KB 3027553 | December 2014 |
| Lync Server 2013 Cumulative Update 5 Hotfix 7 | KB 3018232 | December 2014 |
| Lync Server 2013 Cumulative Update 5 Hotfix 6 | KB 3010028 | November 2014 |
| Lync Server 2013 Cumulative Update 5 Hotfix 5 | KB 3003358 | October 2014 |
| Lync Server 2013 Cumulative Update 5 Hotfix 2 | KB 2987511 | Sept 2014 |
| Lync Server 2013 Cumulative Update 5 | KB 2937305 | August 2014 |
| Lync Server 2013 Cumulative Update 4 | KB 2905040 | January 2014 |
| Lync Server 2013 Cumulative Update 3 | KB 881682 | October 2013 |
| Lync Server 2013 Cumulative Update 2 | KB 2835432 | July 2013 |
| Lync Server 2013 Cumulative Update 1 | KB 2781550 | February 2013 |
Lync Server 2013 Dev tools
| Package Name/Link | Release Date |
|---|
| Unified Communications Managed API 4.0 Runtime Cumulative Update | July 2013 |
| Lync Server 2013 SDK | February 2013 |
| Lync 2013 SDK | March 2014 |
| Lync Server 2013 Debugging Tools | January 2014 |
| Lync Server 2013 Persistent Chat Server SDK | October 2013 |
| Unified Communications Managed API 4.0 SDK | February 2013 |
| Unified Communications Managed API 4.0 Runtime | October 2012 |
| UC Enhanced Presence Schemas for Lync Server 2013 | October 2012 |
Pre-configured VHDs
The complete topology consists of 7 virtual machines that enable you to fully evaluate the Microsoft Lync 2013, Microsoft Exchange 2013, SharePoint 2013, and UC developer platform APIs (including Microsoft Lync 2013 SDK, Exchange Web Services Managed API 2.0, Microsoft Lync Server 2013 SDK, and Microsoft Unified Communications Managed API 4.0).
| Package Name/Link | Release Date |
|---|
| Test Drive - Lync Server 2013 - Part 1 of 3 | September 2013 |
| Test Drive - Lync Server 2013 - Part 2 of 3 | September 2013 |
| Test Drive - Lync Server 2013 - Part 3 of 3 | September 2013 |
Lync 2013 Tools
| Package Name/Link | Release Date |
|---|
| Lync Connectivity Analyzer (32-bit) RETIRED | June 2017 |
| Lync Connectivity Analyzer (64-bit) RETIRED | June 2017 |
| Lync Server 2013 Best Practices Analyzer | October 2012 |
| Lync Server 2013 Capacity Calculator | July 2013 |
| Lync Server 2013 Debugging Tools | January 2014 |
| Lync Server 2013 Management Pack | May 2016 |
| Lync Server 2013 Persistent Chat Resource Kit | July 2013 |
| Lync Server 2013 Planning Tool | July 2013 |
| Lync Server 2013 Resource Kit Tools | January 2014 |
| Lync Server 2013 Stress and Performance Tool | March 2013 |
| Lync Server 2013 Whiteboard Archiving Viewer | February 2013 |
| Lync VDI 2013 plugin (32-bit) | October 2012 |
| Lync VDI 2013 plugin (64-bit) | October 2012 |
| New Office Visio Stencil | July 2016 |
Lync 2013 downloadable documentation
| Package Name/Link | Release Date |
|---|
| Lync Server 2013 Documentation Help File | August 2015 |
Lync Server 2010 update history
KB 2493736 contains all Cumulative Updates that have been released.
| Package Name | KB Number | Release Date |
|---|
| Lync Server 2010 Cumulative Update 18 Hotfix 1 | KB 2493736 | June 2019 |
| Lync Server 2010 Cumulative Update 18 | KB 2493736 | January 2019 |
| Lync Server 2010 Cumulative Update 17 | KB 3148801 | April 2016 |
| Lync Server 2010 Cumulative Update 16 | KB 3057803 | May 2015 |
| Lync Server 2010 Cumulative Update 15 | KB 3030726 | February 2015 |
| Lync Server 2010 Cumulative Update 13 | KB 2982385
KB 2982388 | September 2014 |
| Lync Server 2010 Cumulative Update 12 | KB 2957044 | April 2014 |
| Lync Server 2010 Cumulative Update 11 | KB 2909888 | January 2014 |
| Lync Server 2010 Cumulative Update 10 | KB 2889610 | October 2013 |
| Lync Server 2010 Cumulative Update 9 | KB 2860700 | July 2013 |
| Lync Server 2010 Cumulative Update 8 | KB 2791381 | July 2013 |
| Lync Server 2010 Cumulative Update 7 | KB 2737915 | October 2012 |
| Lync Server 2010 Cumulative Update 6 | KB 2701585 | June 2012 |
| Lync Server 2010 Cumulative Update 5 | KB 2670352 | February 2012 |
| Lync Server 2010 Cumulative Update 4 | KB 2514980 | November 2011 |
| Lync Server 2010 Cumulative Update 3 | KB 2571546 | July 2011 |
| Lync Server 2010 Cumulative Update 2 | KB 2500442 | April 2011 |
| Lync Server 2010 Cumulative Update 1 | KB 2467775 | January 2011 |
Group Chat 2010 updates
| Package Name | KB Number | Release Date |
|---|
| Cumulative update for Lync Server 2010, Group Chat | KB 2884623 | October 2013 |
| Cumulative update for Lync Server 2010, Group Chat Administration Tool | KB 2884631 | October 2013 |
| Cumulative update for Lync 2010, Group Chat | KB 2884627 | October 2013 |
Lync 2010 Dev Tools
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| Package Name/Link | Release Date |
|---|
| Lync Server 2010 SDK | November 2010 |
| Lync 2010 SDK | March 2011 |
| Lync Server 2010 Group Chat SDK | June 2012 |
| Unified Communications Managed API 3.0 SDK | May 2016 |
| Speech Platform - Server Runtime Languages (Version 10.2) | September 2010 |
| Unified Communications Enhanced Presence Schemas for Microsoft Lync Server 2010 | November 2010 |
Lync 2010 Tools
| Package Name/Link | Release Date |
|---|
| IM an Expert for Microsoft Lync Server 2010 | March 2012 |
| Lync Server 2010 Best Practices Analyzer | February 2011 |
| Lync Server 2010 Capacity Calculator | February 2012 |
| Lync Server 2010 Planning Tool | February 2011 |
| Lync Server 2010 Resource Kit Tools | May 2012 |
| Lync Server 2010 Stress and Performance Tool | March 2011 |
| Lync Server 2010 Visio Stencil | February 2011 |
| Lync Server 2010 Web Scheduler | April 2011 |
Lync 2010 downloadable documentation
| Package Name/Link | Release Date |
|---|
| Lync Server 2010 Documentation Help File | March 2012 |
| Lync Server 2010 Welcome page | October 2012 |
| IM an Expert for Microsoft Lync Server 2010 Documentation | March 2012 |
| Lync 2010 Release Notes.aspx) | January 2011 |
| Lync Server 2010 Release Notes | January 2011 |
| Lync Server 2010 Planning Tool Readme | January 2011 |
| Lync Server 2010 Edge Server Reference Architecture Diagrams | March 2011 |
Resource kit (technical reference)
Visit the Microsoft Lync Server 2010 Resource Kit download site to download book chapters individually OR download a .zip file containing all 19 chapters of the resource kit.
Group Chat
| Package Name/Link | Release Date |
|---|
| Lync Server 2010 Group Chat | November 2010 |
| Lync Server 2010 Group Chat Admin Tool | November 2010 |
| Lync 2010 Group Chat | November 2010 |
Trial Software
| Package Name/Link | Release Date |
|---|
| VHD Test Drive - Lync Server 2010 (Eval) - Part 1 of 2 | September 2012 |
| VHD Test Drive - Lync Server 2010 (Eval) - Part 2 of 2 | September 2012 |
Additional information
Software updates include any update, update rollup, service pack, feature pack, critical update, security update, or hotfix. See KB 824684 for a description of the standard terminology used to describe Microsoft software updates. Adobe cs6 mac download reddit.
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