When done, try signing in to Skype for Business and check to see whether or not the problem has been resolved. Type the following into both the Internal server name box and the External server name box:.Click on Advanced after your email address, and select Manual configuration.On the sign-in page in Skype for Business, click on the gear and then click on Personal.Send now How your phone number or email address is used. To try and fix this problem by yourself, you need to: Sign in Get the Skype for Business mobile app Enter your phone number or email address and we’ll send a download link.

However, if the problem doesn’t go away on its own, fear not as there is something that you can do to try and get rid of this problem yourself. If you are experiencing this problem because the Lync server Skype for Business is trying to access is actually unresponsive, the problem should sort itself out in a few hours, and all you have to do is wait. This problem occurs either because DNS records related to Skype for Business haven’t been added to your computer or couldn’t be found by the application, or because the Lync server that Skype for Business is trying to access in order to sign you in is not responding.

Skype for business app