Failed: The Skype for Business server {0} is using MD5 certificates. This will prevent users from signing in Skype for Business mobile clients in iOS.
Failed: The outbound port 3478 through STUN/UDP protocol isn't allowed in the firewall. It will block the audio and video ...
Failed: The outbound port 443 through STUN/TCP protocol isn't allowed in the firewall. It will block the audio, video AND ...
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, ...