![install skype for business server client install skype for business server client](http://2.bp.blogspot.com/-CEOYiWShUH4/Vh0pjGWWlCI/AAAAAAAAAhQ/HUfw3JBIZr8/s1600/S4BWebApp.png)
It is also important to point out that they EnableSkypeUI parameter takes effect during subsequent client launches in the following ways
![install skype for business server client install skype for business server client](https://blog.matrixpost.net/wp-content/uploads/2020/07/Install_SFB_2019_SBS_024-768x583.png)
INSTALL SKYPE FOR BUSINESS SERVER CLIENT UPDATE
The update can be installed over the SfB Client Preview if you have previously installed that trial.Whilst the SfB UI will be presented, after several minutes (in reality, moments), users will be prompted to switch back to Lync Mode.To prevent the above behaviour, we must control the First Launch Client Behaviour, via the system registry GPO.Once the update has been applied, users will always see the SfB UI when launching the application for the first time, regardless of the EnableSkypeUI parameter.Now before we dive in and apply the update, there are a few important pointers that should be taken into account Without either of those, you may be presented with the following and the installation will end
![install skype for business server client install skype for business server client](https://izmirsadigov.com/wp-content/uploads/2021/03/Install_SFB_2019_SBS_012-768x457.png)
![install skype for business server client install skype for business server client](https://blog.matrixpost.net/wp-content/uploads/2020/07/Install_SFB_2019_SBS_042.png)
To be begin with, we will need the following prerequisites installed onto the machine in question In this post, I will be running through the client experience, when using the new client against a Lync Server 2013 Pool, as well as the experience when changes are made to the client policy switch parameter, EnableSkypeUI. Although the Skype for Business Server 2015 server components haven’t been released yet, we can still use the new clients against Lync Server 2010 or 2013. For those that have missed it, Microsoft have now released the Skype for Business client, KB2889923.