Skype for Business Server 2015 Cumulative Updates (CU) List

With the release of Cumulative Update 0.1 (June 2015) i thought id create a Skype for Business Server Cumulative Update list and release dates.

For SfB Server 2019 please see my 2019 CU page here

Something i often search for with Lync 2010 and Lync 2013 and perhaps others may find helpful in the future.

  • Updated for CU1 Nov 2015 and renamed previous CUs are 0.x
  • Updated 12/12/2017 to add CU 6 for SfB Server 2015
  • Updated 23/03/2018 to add CU 7 for SfB Server 2015
  • Updated 27/03/2018 to rename CU7 to CU6HF2
  • Updated 01/08/2018 to add CU 7 for SfB Server 2015 (The real CU 7 )
  • Updated 11/01/2019 to add CU 8 for SfB Server 2015
  • Updated 03/04/2019 to add CU 8  HF1 / CU 9 (CU  No TBC) for SfB Server 2015
  • Updated 31/05/2019 to add CU9
  • Updated 02/08/2019 to add CU10
  • Updated 09/09/2019 to add CU10 HF1
  • Updated 28/07/2020 to add CU11
  • Updated 28/07/2020 to add CU11 HF1
  • Updated 16/12/2021 – Catching up (its been a while)

For DOWNLOADS of all CUs click here

CU NumberVersion NumberDateDownload Links
RTM6.0.9319.0May 2015 
CU 0.16.0.9319.55June 2015https://www.microsoft.com/en-us/download/details.aspx?id=47690

 

For DOWNLOADS of all CUs click here

CU 0.26.0.9319.72September 2015http://www.microsoft.com/en-us/download/details.aspx?id=48865

 

For DOWNLOADS of all CUs click here

CU0.36.0.9319.88October 2015http://www.microsoft.com/en-us/download/details.aspx?id=47690

 

For DOWNLOADS of all CUs click here

CU 16.0.9319.102November 2015https://www.microsoft.com/en-us/download/details.aspx?id=47690

 

KB3097645

For DOWNLOADS of all CUs click here

CU 26.0.9319.235March 2016https://support.microsoft.com/en-gb/kb/3061064

 

KB3134260
The March 2016 cumulative update adds the Active Directory Authentication Library (ADAL) feature to Microsoft Skype for Business Server 2015. For more information about ADALIssues resolved
The March 2016 cumulative update resolves an issue in which Windows 10 users who use Edge can’t join a meeting from Skype for Business Web App (KB 3095143).For DOWNLOADS of all CUs click here

CU 36.0.9319.259 Added Busy on Busy Options and bug fixes.

 

KB3149227

For DOWNLOADS of all CUs click here

CU 46.0.9319.272November 2016https://support.microsoft.com/en-us/kb/3061064

 

KB3199093

Also when the MAC client was released it said this was required to enabled them to join without Reverse proxy but i cant see this listed on the KB.

For DOWNLOADS of all CUs click here

CU4 HF 16.0.9319.277February 2017https://www.microsoft.com/en-us/download/details.aspx?id=47690

 

Highlights

  • Fix for SfB Installer on Server 2016 ! So it wont be long now people !
  • E911 fix for non windows auth clients
  • Push notification support for iOS and Android
  • Presence and contact card updates
  • Skype web sdk update for accepting across-domain anonymous meeting join requests
  • KB3207506

For DOWNLOADS of all CUs click here

CU59319.28117th May 2017KB4012621

 

A lot of issues resolved here too many to list. Check out a summary here

For DOWNLOADS of all CUs click here

CU69319.51011th December 2017KB4036312

 

A lot of issues resolved here too many to list. Check out a summary

For DOWNLOADS of all CUs click here

CU6 HF19319.514January 2018KB4074701

 

https://support.microsoft.com/en-us/help/4074701/january-2018-cumulative-update-6-0-9319-514-for-skype-for-business

For DOWNLOADS of all CUs click here

CU7 CU6 HF29319.516March 2018https://www.microsoft.com/en-us/download/details.aspx?id=47690

 

KB4086059

For DOWNLOADS of all CUs click here

CU79319.534July 2018https://www.microsoft.com/en-us/download/details.aspx?id=47690

 

KB4340904

For DOWNLOADS of all CUs click here

CU89319.537January 2019https://support.microsoft.com/en-gb/help/3061064/updates-for-skype-for-business-server-2015

 

KB4464355

For DOWNLOADS of all CUs click here

CU8 HF1 / CU 9 (CU Number tbc)9319.544March 2019https://support.microsoft.com/en-gb/help/3061064/updates-for-skype-for-business-server-2015

 

KB is being updated as still referencing Jan 2019.

KB4494279

For DOWNLOADS of all CUs click here

CU 99319.548May 2019KB4487979
For DOWNLOADS of all CUs click here
CU 109319.559July 2019KB4505401

 

For DOWNLOADS of all CUs click here

CU 10 HF 19319.562August 2019KB4518735

 

For DOWNLOADS of all CUs click here

CU 119319.580May 2020KB4558385

 

For DOWNLOADS of all CUs click here

CU 11 HF19319.591July 2020KB4564307

 

For DOWNLOADS of all CUs click here

CU11 HF26.0.9319.598November, 2020https://support.microsoft.com/kb/3061064
CU129319.619August 2021https://support.microsoft.com/kb/3061064

For Downloads of all CUs please see link above.

Reference

SfB Server 2015 Update history docs article

16 thoughts on “Skype for Business Server 2015 Cumulative Updates (CU) List”

  2. Pingback: Update Digest: Skype for Business Server 2015 CU4 Hotfix 1 (Feb 2017) – leedesmond's blog

  4. This is fantastic Martin. Microsoft frustrate me as sometimes I need to build labs for customer POCs and cannot get old versions!

    Reply

    1. i dont im afraid, i never got hold of it but there has been a newer one released in March 2018 which ive just blogged and uploaded the March 2018 CU to OneDrive. Blog will be posted later today.

      Reply
  6. Pingback: SfB 2015 Server Update CU7 – March 2018 | greiginsydney.com

  7. Hello,
    Do you know all the link in the writeup links to the same page.
    Microsoft only releases the latest CU. if you do not download and save it, its gone after the new CU is out.

    Reply

      1. or Perhaps create a shared drive, download it, and link your article to the corresponding folder you download the update to. often at times you find SFB resources wanting to install a previous update and cant find the update.
        I installed a new pool for a client and wanted the servers to all be on the same version.. couldnt find that CU online.

      2. Hi tola the link to my OneDrive with all cu’s to download is on the article at the top so they are there for you to download 🙂 . Hope that helps. I’ll update the download links to put to the OneDrive folders in the future. Thanks Martin

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