Under Certificates (Local Computer) in the left pane, click Trusted Root Certification Authorities, and then click Certificates. In the list under This snap-in will always manage certificates for, select Computer account, and then click Next. from the Microsoft Management Console menu. In Windows, use the Run command and type mmc.exe to open the Microsoft Management Console.Ĭlick File, Add/Remove Snap-in. Use the following steps to confirm that the root/intermediary certificates are properly installed on the client computer to ensure a secure connection to the Skype for Business Online Service: WoSign SSL – This goes into the 'Intermediate Certificate store' on your Skype for Business edge server. WoSign Root – This goes into the 'Trusted root store' on your Skype for Business edge server. The following certificates should be installed:
Otherwise, client computers cannot perform secure connections. To connect securely to your Skype for Business Online Service when you're using an on-premises configuration (with OCS 2007 R2, Lync Server 2010, and Skype for Business Server 2015), install the WoSign root/intermediary certificates on your Skype for Business Edge servers. Note: This article applies only to Office 365 operated by 21Vianet in China.
