Здрасвствуйте,
Посмотрите советы из официальной документации - Каталог оповещений о работоспособности Microsoft Entra Connect:
- The number of objects are marked for deletion are greater than the set threshold. Ensure this outcome is desired.
- To allow the export to continue, perform the following steps:
- Disable Threshold by running Disable-ADSyncExportDeletionThreshold
- Start Synchronization Service Manager
- Run Export on Connector with type = Microsoft Entra ID
- After successfully exporting the objects, enable Threshold by running: Enable-ADSyncExportDeletionThreshold