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Skype for Business Issue in DNS KB2566790

Recently I faced problem with Skype for Business where I was not able to login. After searching I got to know to change the settings and to change the correct date and Time

Problem was with date and Time in my computer. So I have changed it.

Change Setting in Skype.

  1. Go to Tools-Options.
  2. Go to Advanced Connection Settings.
  3. In here check “Manual Configuration”.
  4. For Internal server name enter “”.
  5. For External server name enter “”.
  6. Click on OK and proceed to log in.

Once this was done now I am able to login to skype.