Failed: We couldn't connect to Office 365 from your on-premises environment using PowerShell. To use remote PowerShell, TCP ports 80 and 443 have to be open on your firewall. For help, see the Actions pane on the right.
Failed: The outbound port 5223 through TCP protocol isn't allowed in the firewall. It will block push notification over Wi-Fi ...
Failed: The Skype for Business add-in is installed, but it doesn't start when you open Outlook. Your conference information ...
Failed: The Skype for Business server {0} is using MD5 certificates. This will prevent users from signing in Skype for Business ...
Failed: Three versions of Office Communications Server R2 and Lync were found. This configuration isn't supported. Please ...
Failed: We couldn't connect to Office 365 from your on-premises environment using PowerShell. To use remote PowerShell, TCP ...
Failed: We couldn't connect to Skype for Business on the web from your current environment. TCP port 443 has to be open on ...
Failed: We couldn't get to Skype for Business communication sessions on the web from your current environment. For help, ...
Failed: You are using a wireless connection that can affect the reliability of your network. If you are unable to install ...
Failed: Your account doesn't have the necessary permissions to run all the Skype for Business Server checks. The required ...