Abstract: You need to install the latest cumulative update for your skype for business environment but are unsure which one.
So far the latest Microsoft Skype for Business (=SfB) always contains all previously released cumulative updates (=CU).
Here is a list of current versions:
| Version | Released | Link to KB |
| 6.0.9319.102 | 2015 – November | KB 3097645 |
| 6.0.9319.88 | 2015 – September | KB 3098601 |
| 6.0.9319.72 | 2015 – September | KB 3090687 |
| 6.0.9319.55 | 2015 – Juni | KB 3061059 |
| 6.0.9319.45 | 2015 – June | KB 3061059 |
| 6.0.9319.0 | 2015 – Mai | RTM Version |
You can get the latest version via the following powershell command (from here):
Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* | ?{$_.DisplayName -like “*Skype for Business*”} | Sort-Object DisplayName | Select DisplayName, DisplayVersion, InstallDate | Format-Table -AutoSize
The latest CU can be downloaded here (KB 3061064). A list can be found here.
