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Microsoft has released a cumulative update for Skype for Business Server 2019, Mediation Server. The version number of this update is 7.0.2046.385.

Issues that this cumulative update fixes

This cumulative update fixes the following issues:

  • 4458682 "Failed creating application activity" error when you use the Test-CsUcwaConference cmdlet in Skype for Business Server 2019 and 2015

The global version of this cumulative update uses a Microsoft Windows Installer package to install the cumulative update. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

After the update is installed, the global version of this update has the file attributes, or a later version of the file attributes, that are listed in the following table.

File name

File version

File size

Date

Time

Platform

File_mediationperf.dll

7.0.2046.123

52,600

29-Jun-19

8:53

x64

File_mediationserversvc.exe

7.0.2046.244

227,192

13-Sep-20

20:06

x86

File_microsoft.rtc.mediationservercore.dll

7.0.2046.385

1,794,480

3-Dec-21

19:33

x86

File_s4perf.dll

7.0.2046.123

53,112

29-Jun-19

8:48

x64

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