How to determine Lync Server version ?
Below we present few methods to do this.
Microsoft releases updates to Lync components periodically and only updates the version level of the components that actually get the update.
So Microsoft released tool which will help you to keep the Lync Server components at the latest versions.
If you download and run the LyncServerUpdateInstaller.exe, this will check your Lync server and install the updated components that are needed.
But remember to download this tool periodically with the latest version of the installer.
You can check Lync Server build numbers on our site:
When you run this tool you will get all informations about versions you have installed and latest available versions like below: