September 2025 hotfix update 7.0.2046.828 for Skype for Business Server Subscription Edition, Core Components (KB5067609)

This hotfix update fixes an issue in Skype for Business Server Subscription Edition, Core Components. The version number of this update is 7.0.2046.828.

Issues that this update fixes

This update contains the following fixes:

How to install the update

To install the update for Skype for Business Server 2019, Core Components, follow the steps that are discussed in Updates for Skype for Business Server Subscription Edition (SE) (KB5065372).

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 update replaces the August 2025 hotfix update 7.0.2046.820 for Skype for Business Server SE, Core Components (KB5064805)

Update package installation information

To apply this cumulative update, you must follow the steps that are discussed in Updates for Skype for Business Server Subscription Edition (SE) 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
  • Skype for Business Server 2019, Edge server
  • Skype for Business Server 2019, Director server
  • Skype for Business Server 2019, Standalone Mediation server
  • Skype for Business Server 2019, Persistent Chat Front End server
  • Skype for Business Server 2019, Video Interop server
  • Skype for Business Server 2019, Administration Tools

Removal information

You must uninstall all cumulative updates of core components that are at version 7.0.2046.123 or a later version before you uninstall the cumulative updates for Skype for Business Server 2019 (Front End server and Edge server) that are at version 7.0.2046.116 or a later version. Otherwise, you won't be able to start the RTCSRV service.

To remove these cumulative updates, follow these steps.

Note We recommend that you refer to the instructions that are discussed in Updates for Skype for Business Server Subscription Edition (SE) when you remove these cumulative updates.

  1. Open Control Panel, and then select Program.

  2. Select Installed Updates.

  3. Uninstall all updates of core components that are at version 7.0.2046.123 or a later version:

    Press and hold (or right-click) Skype for Business Server 2019, Core Components (KB4593479) at version 7.0.2046.248. Then, select Uninstall

    Press and hold (or right-click) Skype for Business Server 2019, Core Components (KB4582622) at version 7.0.2046.244. Then, select Uninstall.

    Press and hold (or right-click) Skype for Business Server 2019, Core Components (KB4564309) at version 7.0.2046.236. Then, select Uninstall.

    Press and hold (or right-click) Skype for Business Server 2019, Core Components (KB4540585) at version 7.0.2046.216. Then, select Uninstall

    Press and hold (or right-click) Skype for Business Server 2019, Core Components (KB4528667) at version 7.0.2046.151. Then, select Uninstall

    Press and hold (or right-click) Skype for Business Server 2019, Core Components (KB4522048) at version 7.0.2046.143. Then, select Uninstall

    Press and hold (or right-click) Skype for Business Server 2019, Core Components (KB4499964) at version 7.0.2046.123. Then, select Uninstall.

  4. Uninstall the updates for Skype for Business Server 2019 (Front End server and Edge server) that are at version 7.0.2046.116 or a later version:

    Press and hold (or right-click) Skype for Business Server 2019, Front End server and Edge Server (KB4582625) at version 7.0.2046.244. Then, select Uninstall.

    Press and hold (or right-click) Skype for Business Server 2019, Front End server and Edge Server (KB4528672) at version 7.0.2046.151. Then, select Uninstall.

    Press and hold (or right-click) Skype for Business Server 2019, Front End server and Edge Server (KB4499991) at version 7.0.2046.143. Then, select Uninstall.

    Press and hold (or right-click) Skype for Business Server 2019, Front End server and Edge Server (KB4464355) at version 7.0.2046.116. Then, select Uninstall.

File information

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
Archdb.sql Not applicable 2,11,262 13-Sep-20 14:09 Not applicable
Archjobs.sql Not applicable 5,283 18-Nov-19 09:02 Not applicable
Cdrjobs.sql Not applicable 8,787 18-Nov-19 09:02 Not applicable
Component_gac_microsoft.rtc.internal.dll 7.0.2046.820 2,75,016 21-Aug-25 09:05 x86
Component_gac_microsoft.rtc.internal.storage.dll 7.0.2046.820 9,83,584 21-Aug-25 09:05 x86
Dbcommon.sql Not applicable 36,067 18-Nov-19 09:02 Not applicable
Dbrtc.sql Not applicable 23,38,273 18-Nov-19 09:02 Not applicable
File_default.tmx Not applicable 1,61,72,756 16-Sep-25 02:23 Not applicable
File_default.xml Not applicable 15,18,632 16-Sep-25 02:23 Not applicable
File_deploy.exe 7.0.2046.810 7,97,752 20-Jun-25 02:27 x86
File_gac_deviceupdate.dll 7.0.2046.385 3,69,544 03-Dec-21 13:48 x86
File_gac_microsoft.rtc.chat.endpoint.dll 7.0.2046.407 12,07,720 25-Aug-22 16:16 x86
File_gac_microsoft.rtc.collaboration.persistentchat.dll 7.0.2046.407 3,92,608 25-Aug-22 16:22 x86
File_gac_microsoft.rtc.collaborationnet.dll 7.0.2046.123 53,49,240 29-Jun-19 03:07 x86
File_gac_microsoft.rtc.internal.collaboration.appsharing.dll 7.0.2046.123 25,34,776 29-Jun-19 03:12 x86
File_gac_microsoft.rtc.internal.restapi.common.dll 7.0.2046.151 1,76,504 18-Nov-19 09:08 x86
File_gac_microsoft.rtc.internal.setup.xamluilib.dll 7.0.2046.828 3,97,888 16-Sep-25 01:54 x86
File_gac_microsoft.rtc.internal.sipepsnet.dll 7.0.2046.385 28,71,160 03-Dec-21 13:44 x86
File_gac_microsoft.rtc.internal.ucwa.clientmodel.dll 7.0.2046.385 8,17,032 03-Dec-21 13:52 x86
File_gac_microsoft.rtc.internal.ucwa.resourcecontract.dll 7.0.2046.407 4,27,432 25-Aug-22 16:22 x86
File_gac_microsoft.rtc.management.core.dll 7.0.2046.820 33,38,792 21-Aug-25 09:06 x86
File_gac_microsoft.rtc.management.dbsetup.dll 7.0.2046.123 1,57,560 29-Jun-19 03:08 x86
File_gac_microsoft.rtc.management.deployment.dll 7.0.2046.810 30,78,728 20-Jun-25 02:27 x86
File_gac_microsoft.rtc.management.dll 7.0.2046.810 74,00,496 20-Jun-25 02:27 x86
File_gac_microsoft.rtc.management.writableconfig.dll 7.0.2046.810 28,57,504 20-Jun-25 02:27 x86
File_gac_microsoft.rtc.rgs.data.dll 7.0.2046.151 4,12,536 18-Nov-19 09:08 x86
File_gac_microsoft.rtc.rgs.management.dll 7.0.2046.828 3,39,512 16-Sep-25 01:49 x86
File_gac_microsoft.rtc.server.udclib.dll 7.0.2046.151 15,64,024 18-Nov-19 09:09 x86
File_gac_microsoft.rtc.synthetictransactions.dll 7.0.2046.407 53,65,672 25-Aug-22 16:24 x86
File_gac_platformservice.common.dll 7.0.2046.151 3,34,432 18-Nov-19 09:10 x86
File_gac_servertransportadaptor.dll 7.0.2046.123 1,85,720 29-Jun-19 03:06 x64
File_localocscmdlets.format.ps1xml Not applicable 8,08,629 23-Jun-23 15:15 Not applicable
File_microsoft.rtc.management.dbsetup.dll 7.0.2046.123 1,57,560 29-Jun-19 03:08 x86
File_microsoft.rtc.management.deployment.bootstrapper.dll 7.0.2046.396 3,76,752 08-Apr-22 01:36 x86
File_ocslogger.com Not applicable 15,360 29-Jun-19 03:19 Not applicable
File_ocstrace.dll 7.0.2046.123 8,00,120 29-Jun-19 03:20 x64
File_ocstracer.exe 7.0.2046.123 8,84,088 29-Jun-19 03:21 x64
File_ocstypes.ps1xml Not applicable 13,38,806 23-Jun-23 15:16 Not applicable
File_pwdexpirycheck.dll 7.0.2046.123 8,45,384 29-Jun-19 03:18 x64
File_remoteocscmdlets.format.ps1xml Not applicable 8,18,028 23-Jun-23 15:15 Not applicable
File_reportdata.en_us.xml Not applicable 1,13,94,843 28-Jul-23 04:52 Not applicable
File_reportsetup.exe 7.0.0.0 4,99,592 28-Jul-23 05:10 x86
File_rgsconfig_static.sql Not applicable 1,13,782 18-Nov-19 07:20 Not applicable
File_rtcsres.dll.en_us 7.0.2046.810 16,34,864 20-Jun-25 02:27 Not applicable
File_serviceconsumerperf.dll 7.0.2046.123 52,088 29-Jun-19 03:17 x64
File_setup_adfsapplicationforsfbwebapps Not applicable 27,959 23-Jun-23 15:16 Not applicable
File_skypeforbusiness.psd1 Not applicable 15,362 23-Jun-23 15:17 Not applicable
File_startup.ps1 Not applicable 17,541 25-Aug-22 16:09 Not applicable
File_tpn.rtf Not applicable 83,243 29-Jun-19 00:44 Not applicable
File_wrtcesproxy.dll 7.0.2046.123 34,168 29-Jun-19 03:18 x64
File_xdseventres.dll.en_us 7.0.2046.810 92,704 20-Jun-25 02:28 Not applicable
Mgccompschema.sql Not applicable 1,745 25-Aug-22 16:09 Not applicable
Mgccompsprocs.sql Not applicable 13,296 25-Aug-22 16:09 Not applicable
Mgccompupgrade.sql Not applicable 2,779 25-Aug-22 16:09 Not applicable
Mgcschema.sql Not applicable 18,620 25-Aug-22 16:09 Not applicable
Mgcsprocs.sql Not applicable 1,87,547 25-Aug-22 16:09 Not applicable
Mgcupgrade.sql Not applicable 7,086 25-Aug-22 16:09 Not applicable
Qoejobs.sql Not applicable 8,472 18-Nov-19 09:02 Not applicable

References

Learn about the terminology that Microsoft uses to describe software updates.

Get the latest cumulative update for Skype for Business Server SE.