MC696169 — Legacy SharePoint Invitation Manager is being retired

Updated January 24, 2024: We have added additional information regarding this change. We are completing our retirement of the legacy SharePoint Invitation Manager for guests. This platform is currently used only when Document Libraries are shared externally or when an external user is shared to with a custom role. These flows will now use Entra B2B Invitation Manager instead. When this will happen: Targeted Release: We will begin rolling out early December 2023. Standard Release: We will begin r...