Skype for Business Server Subscription Edition (SE) was released for general availability on July 1, 2025. The Skype for Business Server SE RTM build can be installed as a cumulative update (CU) to Skype for Business Server 2019, and it can be joined to your organizations. The version number of this update is 7.0.2046.810.
Skype for Business Server SE introduces changes to how SFB SE is serviced and licensed. This means there is no fixed end date for support, provided that configurations remain current. The product will be serviced continuously as an evergreen release, with no additional major, year-based versions planned for the future release.
For more information about the upgrade process, see Upgrading your organization from current versions to Skype for Business Server SE.
Installation methods
Prerequisites
There are no prerequisites for installing this cumulative update.
Known issue in this update
-
In the current release of Skype for Business Server, the setup dialog displays a pre-release label as part of the product name. This is a cosmetic issue only and does not impact the installation process or the functionality of the product. The label is expected to be removed in a future update.​​​​​​​​​​​​​​
Install the Update
You can get the update for Skype for Business Server SE through the Microsoft Download Center.
For more information about how to install this update, follow the steps that are provided in the following Knowledge Base articles:
-
4470124 Updates for Skype for Business Server 2019
Registry information
To use one of the cumulative updates in this package, you do not 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 Skype for Business Server 2019 Cumulative Update KB4470124
Update package installation information
To apply this cumulative update, you must follow the steps that are discussed in Updates for Skype for Business Server 2019 on computers that are running the following server roles:
-
Skype for Business Server 2019Â - Standard Edition server
-
Skype for Business Server 2019Â - Enterprise Edition - Front End Server and Back End Server
Removal information
We recommend that you refer to the uninstallation instructions that are discussed in Updates for Skype for Business Server 2019 when you remove the cumulative update.
File hash information
|
File name |
SHA256 hash |
|---|---|
|
SkypeServerUpdateInstaller.exe |
96B6DC44C58050B7E37E7D5767D1B8FED1EA2B19AE438C8584CDCE2A60DA51C8 |
|
PersistentChatUpdateInstaller.exe |
9D09C50514B50D3D824BDF6A189679A8666C45326B8994FB6D89E9810FB165A3 |
References
Learn about the standard terminology that Microsoft uses to describe software updates. Get the latest cumulative update for Skype for Business Server 2019.
