Dec 3, 2019 · The substrate is a critical part of enabling services that run across different applications like Exchange Online, SharePoint Online, Teams, and so on. Functionality like search, information protection, data governance, and eDiscovery is a lot harder when you have multiple moving parts.

Nov 23, 2020 · The substrate is still one of those barely understood components in Microsoft's cloud services, but its influence is steadily growing, as is obvious from Microsoft Fellow Jeffrey Snover's perspective.

Hi djheyvoon,. can someone verify if there was a SaaS subscription to a product that use this account for "for example" impersonation for a certain service, the thig that came to my mind is that there is a service that taken authorization to create an account to be used by a SaaS application!!!

Jan 5, 2019 · Those events correspond to browser logins to the O365 portal/landing page. Reply. cllee. Brass Contributor.

Sep 9, 2019 · Once dual-write is enabled on your tenant, as part of dual-write operations, you will see audit log entries with actions taken by “Microsoft Substrate Management”. “Microsoft Substrate Management” is a service principal used by Exchange Online during dual-writing operations to AAD.

When verified Recovery mailbox is 100 GB and mostly used by Substrate Hold. As per MS, its something related to TEAMS deleted items container. The problem we are facing is to clear\delete mails from this hold. MS is asking to use MFCmapi from user machine as there is no way it can be done from powershell or admin portal.

Jun 17, 2024 · Cross-tenant mailbox migrations are typically used in mergers and acquisitions ('Company A' buys or merges with 'Company B'), divestitures (part of 'Company A' becomes 'Company B'), and rebranding ('Company A' becomes 'Company B').

Oct 26, 2021 · As there is an object being created in Microsoft 365 directory you will also see the event in Azure audit logs, you will find it was initiated by Microsoft Substrate management which is responsible for provisioning corresponding user objects for the scheduling mailbox that got created for the Bookings calendar.

Nov 9, 2023 · Migration . Direction. Protocol. MRS Style. Source . Target. Supported server. Hybrid Move to Exchange Online. Onboarding. MRS – MRSProxy

Nov 12, 2021 · All the Microsoft 365 services send their log events via the “auditing pipeline” to centralized storage. In fact, this storage location is not one solution, it comprises multiple technologies (Azure tables, substrate, etc.) but we won’t go into details in …