Forum Discussion

Re: SFB Issue

Hi Amit,
now the scenario is clear, you use Skype for Business Online, not On-Prem, so let's start from scrach :-)
First question: do you have disconection issue if you use SfB on you laptop outside your company network (eg. from home)?

Second question: do you use a proxy?

Third question: have you chacked this KB? This could help you
https://support.microsoft.com/en-us/help/2409256/you-can-t-connect-to-skype-for-business-online--or-certain-features-do

Your issue is very strange, and my first suspect is fw rules or fw application control.
Which kind of fw do you have?
Regards
Luca

7 Replies

  • Amit Trivedi's avatar
    Amit Trivedi
    Copper Contributor
    Hi Luca,
    We dont have any fw rules or fw application control.
    • Luca Vitali's avatar
      Luca Vitali
      MVP

      Hi Amit,

      based on your previous answers (confirm please):
      - your clients work outside your company network
      - your clients do not work inside your company network
      - you have no firewall control inside your company network

       

      your issue could be a DNS problem inside your company network.
      Please check from your client connected to internal network if these DNS records are resolvable, substitute <sip domains> with your SfB SIP Domain. 

       

      Let me know
      Regards
      Luca

      • Amit Trivedi's avatar
        Amit Trivedi
        Copper Contributor

        I think We have the exact same DNS settings that you have mentioned.

  • Amit Trivedi's avatar
    Amit Trivedi
    Copper Contributor

    Hi Luca,

    Hope you are doing well.

    There are my answers to your questions.

    1) No We haven't seen any discconection issue with our remote users who are working from homw.

    2) We dont use any proxy.

    3) I Haven't check that article. I am reading it now.

     

    Thanks .

     

    • Luca Vitali's avatar
      Luca Vitali
      MVP
      Hi Amit,
      well thank you.
      1) that's a good info. Fw issue are more probable now.
      2) ok
      3) Let me know!
      Regards
      Luca