Maintain control of your Microsoft Office 365 data
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Joined: Aug 21, 2014 7:26 am
Full Name: Toshihiro Kobayashi

Aggregate Office 365 Exchange data into a single tenant

Post by Tos »


Our prospect customer want to aggregate Office 365 Exchange data into a single tenant by using VBO backup and restore.

We understand that it is possible to restore to another tenant if it is a mailbox unit from the posts in the forum below.
veeam-backup-for-office-365-f47/cross-t ... 59758.html

Is there any Exchange object data that cannot be restored to another tenant with Veeam Explorer for Microsoft Exchange ?
(For example, shared mailboxes and contacts etc..)

Customers are wondering how much Exchange settings should be set for the tenants to be aggregated.

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Full Name: Fabian Kessler

Re: Aggregate Office 365 Exchange data into a single tenant

Post by Mildur » 2 people like this post

VBO365 will restore all default objects (calendar, mails, contacts, tasks, notice) to another mailbox, if you have fullaccess to the new mailbox. You have to provision the new mailboxes/users by yourself.
Exchange/Mailbox Settings are not restored. Only the data.
You will have to configure Mailbox Settings all by yourself:
Mail Addresses, Mailbox Quotas, Mailbox Policies, etc.....

Restoring Sharepoint Data is not possible to other tenants.

I think, there is a better way to migrate the data with microsoft tools. There is a new Cross Tennant Migration Process from Microsoft itself. Have a look at it: ... -worldwide

Considerations and Limitations - Restore ... ?ver=50#re
Cross-tenant restore to Microsoft Office 365 is only possible for Exchange Online objects, not for SharePoint sites.

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