This cumulative update fixes issues in Skype for Business Server 2019 and Unified Communications Managed API 5.0 Runtime. The version number of this update is 7.0.2046.385.

Issues that the cumulative update fixes

The cumulative update fixes the following issues:

  • 5005991 Join Launcher fails in Skype for Business Server 2019

  • 5006013 UCMA app fails if UseRegistration is True and headers are added in Skype for Business Server 2019

How to install the update

To install the cumulative update for Skype for Business Server 2019 and Unified Communications Managed API 5.0 Runtime, you must follow the steps that are described in Updates for Skype for Business Server 2019 (KB4470124) on computers that are running the following server roles:

  • Skype for Business Server 2019, Standard Edition server

  • Skype for Business Server 2019, Enterprise Edition - Front End server and Back End server

  • Skype for Business Server 2019, Edge server

  • Skype for Business Server 2019, Standalone Mediation server

  • Skype for Business Server 2019, Director server

  • Skype for Business Server 2019, Persistent Chat server

  • Skype for Business Server 2019, Video Interop server

Note The Cumulative Server Update Installer applies all updates for the appropriate server role in one operation.

Prerequisites

There are no prerequisites for installing this cumulative update.

Registry information

To use one of the cumulative updates in this package, you don't have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this cumulative update.

Update replacement information

This cumulative update replaces the December 2019 cumulative update 7.0.2046.151 for Skype for Business Server 2019 and Unified Communications Managed API 5.0 Runtime

Removal information

To remove this cumulative update package, use the Add or Remove Programs item in Control Panel.

Sometimes, when you try to uninstall this cumulative update, you are prompted for the source CD. If this behavior occurs, insert the source CD, or provide the path where the source files can be found.

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_default_tmx

Not applicable

903,854

3-Dec-21

19:51

Not applicable

File_gac_collaboration_dll

7.0.2046.385

7,110,008

3-Dec-21

19:19

x86

File_gac_sipeps_dll

7.0.2046.385

2,709,896

3-Dec-21

19:15

x64

File_ocstracer_exe

7.0.2046.123

884,088

29-Jun-19

8:51

x64

File_s4perf_dll

7.0.2046.123

53,112

29-Jun-19

8:48

x64

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