

#Get all entities in your tenant that has a sip address populated, may take some time if you have tens of thousands of users #Connect to the Microsoft Teams PowerShell module Just make sure you have the latest Teams PowerShell module to perform the below PowerShell operations first, since the SfBO PowerShell module is decommissioned. This is a straightforward way to determine if you have any verified domains in your tenant that are SIP-enabled, but not in use.

If you’ve verified domains in your tenant, but are not using them for SfBO and Teams, you can disable them for this functionality by running the Disable-CsOnlineSipDomain cmdlet.

Figure 1: Microsoft Teams Upgrade Message. During that time, Microsoft will help flip your tenant to Teams Only mode for all users homed in Microsoft 365.Īfter that period, all other modes like Islands, Meeting First, or Meeting and collaboration will not be available options for your users, as these modes were just steps along the way to Teams Only mode. To find the date specified for you, navigate over to the Teams admin center. Microsoft will offer assisted transitions for your tenant during specified periods. Teams Only mode will be the only option for users homed in Microsoft 365. So, what does that really mean? It means just that, SfBO will not be available in Microsoft 365 anymore. Soon July 31 st, 2021, will be here and the official Skype for Business Online (SfBO) retirement day looms closer.
