September 2020 cumulative update 7.0.2046.244 for Skype for Business Server 2019 and Unified Communications Managed API 5.0 Runtime

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 7.0.2046.244.

Issues that the cumulative update fixes

The cumulative update fixes the following issues:

  • KB 4510856 User can’t create Skype meeting for a delegator via Skype for Business on Mac if they’re homed in different pools in Skype for Business Server 2019

  • KB 4510852 UCWA client is disconnected because w3wp.exe crashes when you use clarity connect in Skype for Business Server 2019

  • KB 4537394 UCWA unhandled exception – InvalidDataException in Skype for Business Server 2019

  • KB 4512879 UCWA client can’t make a P2P call or join a conference when EnableExternalAccessCheck is True and EnableOutsideAccess is False in Skype for Business Server 2019

  • KB 4518679 Skype meeting disconnection because of missing session refresh in Skype for Business Server 2019

  • KB 4538701 Conference call dropped after 28 or 56 minutes joining from Cisco phone 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

899,648

13-Sep-2020

05:17

Not Applicable

File_gac_collaboration_dll

7.0.2046.244

7,109,496

13-Sep-2020

04:50

x86

File_gac_sipeps_dll

7.0.2046.244

2,708,856

13-Sep-2020

04:47

x64

File_ocstracer_exe

7.0.2046.123

884,088

28-Jun-2019

17:51

x64

File_s4perf_dll

7.0.2046.123

53,112

28-Jun-2019

17:48

x64

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