
If you have Microsoft 365 Business Premium Standard or Business Essentials, you can use Skype for Business to make online calls to other people in your business who are on your subscription. You can follow the steps in this article to get your setup completed. Looks like you need help setting up Skype with your Microsoft 365 or Office 365 subscription. If you have a firewall or proxy server that restricts access to parts of the web, consider hiring a Microsoft partner to set up Skype for Business for you. You must have global admin permissions to set up Skype for Business. Remember that a successful upgrade aligns technical and user readiness, so be sure to leverage our upgrade guidance as you navigate your journey to Teams. If you want to upgrade your organization to Teams yourself, we strongly recommend that you begin planning your upgrade path today. If you haven't upgraded your Skype for Business Online users yet, they will be automatically scheduled for an assisted upgrade. Open the registry editor (Start + R -> type regedit -> Enter), go to “HKEY_CURRENT_USER\Software\Microsoft\office\16.Skype for Business Online was retired on July 31, 2021.Go to “C:\Users\Erwin\AppData\Local\Microsoft\Office\16.0\Lync\Tracing\” and Delete All files.Go to “C:\Users\AppData\Local\Microsoft\Office\16.0\Lync” and delete the specific user’s sip (Session Initiation Protocol) folder.Then – type in the login details and password again and try to log in. Open Skype for Business login window and click on “delete my sign-in info”. Uninstalling or reinstalling Office 365 software is not going to help you. There are a couple of solutions here. If the problem continues, please contact your support team”. “Can’t sign in to Skype for Business – There was a problem acquiring a personal certificate required to sign in. 1 min read Skype for Business Skype for Business Online Erwin Bierens Problem:
