Skype for Business Online Windows PowerShell Module is required for Cayosoft Administrator to connect to and manage Skype for Business service within Microsoft Office 365 extension.
Skype for Business Online Windows PowerShell Module
You need Skype for Business Online, Windows PowerShell Module version 7.0.1994.0 or later: https://www.microsoft.com/en-us/download/details.aspx?id=39366
Open the Control Panel on the windows server where Cayosoft Administrator will be installed or upgraded and navigate to Programs and Features
Select Skype for Business Online, Windows PowerShell Module
Ensure that its version is lower than 7.0.1994.0
Click Uninstall and wait until the process completes