External Sharing in SharePoint and OneDrive is changing: What You Need to Know

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In an ongoing effort to create a more secure environment by default, Microsoft is introducing an important security update that will affect how external users access content shared through SharePoint and OneDrive. Starting July 1, 2025, any links shared with external users before your organization enabled Microsoft Entra B2B integration will no longer work. This change applies to all organizations that have already enabled or will enable SharePoint and OneDrive integration with Microsoft Entra B2B (Most organizations I have looked into so far). External users trying to use old links will see an error message saying the organization has updated its guest access settings. To regain access, the content must be reshared. Highlights of how the change affects organizations who have enabled B2B: All external sharing will require guest registration. External users must be added as guests in your Microsoft Entra directory. Access will be managed through Microsoft Entra B2B Invitation Manager. T...

Move from SFBOnline to MicrosoftTeams powershell module

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Microsoft recently announced the new MicrosoftTeams PowerShell module now include both SFBO and Teams commands, and is is no longer necessary to load both modules when operating with both SFBO and Teams features in the cloud.

This change can also be the reason why install-module MicrosoftTeams fails. I would recommend to un-install the old modules to avoid conflicts. This can be done through the computer's add/remove programs in the control panel. Alternatively use the -allowclobber switch.

Here is how to upgrade or install the new module.