If you are trying to rebuild the Azure AD Connect server, but you noticed y the Delete user is greyed out and you cannot delete the existing On-Premises Directory Synchronization Service Account from Microsoft 365 admin center.
In the Restore Portal, you can explore and restore data from Backups. As an end-user, you perform a self-service restore of your data. As a restore operator, you explore and restore backed-up data for those objects that you are allowed to manage.
You can explore and restore data from backups in the Restore Portal. As an end user, you perform a self-service data restore. As a restore operator, you investigate and restore backed-up data for objects that you have permission to manage.
The REST API is used to communicate with Veeam Backup for Microsoft 365. Restore Portal also uses the REST API to communicate with the Veeam Backup for Microsoft 365 server. In addition, the restore Portal allows users to perform the self-service restore.
Configuring a restore portal is beneficial in a multi-tenant configuration and for organizations that want to limit access to the Veeam Backup for Office 365 console and delegate responsibilities such as restores.
Authentication settings can be configured on the Veeam Backup for Microsoft 365 server for tenants and restore operators.
Data retrieval, like data backup and copy, is a job-driven process. First, you must create a retrieval job to access your data in backup copies. Then, using Veeam Explorer for Microsoft Teams, create a retrieval job for the subsequent exploration and restore the retrieved data.