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When I sign in SFB client, it shows 'cannot verify that the server is trusted for.your sign in address. Connect anyway?'.
What's wrong?
A Microsoft communications service that provides communications capabilities across presence, instant messaging, audio/video calling, and an online meeting experience that includes audio, video, and web conferencing.
Answer accepted by question author
@Sigrala ,
What is your Skype for Business environment? Online or others?
I find a resolution for Skype for Business Online when user has trouble with sign in as below and you could try it. For more information, please refer to this article.
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