Error Add-WindowsFeatures: The request to add or remove features on the specified server failed - Skype for business Prerequisites
Issue: Hope this error most of them has been faced! but when we are in a tight schedule these kind of issues waste our time. This error comes when you try prerequisites using PowerShell for Skype for Business deployment. Add-WindowsFeature NET-Framework-Core, RSAT-ADDS, Windows-Identity-Foundation, Web-Static-Content, Web-Default-Doc, Web-Http-Errors, Web-Asp-Net, Web-Net-Ext, Web-ISAPI-Ext, Web-ISAPI-Filter, Web-Http-Logging, Web-Log-Libraries, Web-Request-Monitor, Web-Http-Tracing, Web-Basic-Auth, Web-Windows-Auth, Web-Client-Auth, Web-Filtering, Web-Stat-Compression, Web-Dyn-Compression, NET-WCF-HTTP-Activation45, Web-Asp-Net45, Web-Mgmt-Tools, Web-Scripting-Tools, Server-Media-Foundation -Restart Solution: Add to few commands to the PowerShell script "-Source D:\sources\sxs" Following will be the disk/ISO path, basically we pointing to the script exact location where sxs is available and you don't have to copy these files from ISO to local server...