SPO Site Sharing will now use Azure B2B Invitation Manager

We are updating the SharePoint Online Site Sharing backend to use Azure B2B Invitation Manager instead of the legacy SharePoint Invitation Manager. 

This message is associated with Microsoft 365 Roadmap ID 117557

When this will happen:

This change will begin rolling out in late February, and complete rollout by end of April.

How this will affect your organization:

Today, sharing just the SharePoint site goes through the original SharePoint Invitation Manager which always creates guest users in your organization’s directory. We are now updating this flow & experience to use the Azure B2B Invitation Manager instead. The sharing flow will remain identical to what users see today, but external recipients will now go through your organization’s B2B Invitation Manager experience. 

What you need to do to prepare:

You may want to review your Azure B2B Invitation Manager policies.

Message ID: MC525663


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I've been working with Microsoft Technologies over the last ten years, mainly focused on creating collaboration and productivity solutions that drive the adoption of Microsoft Modern Workplace.

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