Forum Discussion
Office 365 multi tenant architecture and deployment
Hi community,
is it posible to connect two O365 tenents? The reason is: I have 1 company with 2 different O365 tenants. Each tenant represent a independent brunch. Merging of this tenants in one is not wished. See Attachment
Let's say we have tenant A and tenant B. Tenant B is like the holding company and is the owner of the root mail domain @tenant-b.com. Users from tenant A need to be able to send and recieve messages over this tentant in their own tenant A mailbox. All the users from tenant A their default mailadress is from tenant B.
Next feature:
Tenant B has a sharepoint site for the whole company. I will be used as intranet site. Users from tenant A would like to access the site to work together with their colleagues. The same in the other way. So if tenant A use a Sharepointsite they want to share it with tenant B.
Both tenant are cloud only. And their are no plans to place an on premise Dirsync or etc. device.
10 Replies
For the Sharepoint requirement, have you looked at using Azure AD B2B?
http://www.techmikael.com/2016/04/setting-up-azure-business-to-business.html
-Sonia
Christoph Wolf jcgonzalezmartin
I am interested on how you got on with this requirement given the latest innovations. Indeed I believe there is concept of "tenant friending" but I am not sure how this working practice.
I too have the tenant A and tenant B . The ideal is the
- To publish news posts in tenant A and have this surface in tenant B ( everyone in tenant A, everyone in tenant B) . Then there is page / news templates and org level assets ( would this needed to duplicated.
- To be able to publish and share SharePoint PowerApps and Flows across both tenants
- To roll identical or complimentary governance across both tenants
- Handle search, term ids, content types etc in an elegant way - hybrid v2 😁
Are there workarounds for any of this I wonder ?
I think best solution is to do the merge of the two tenants. By the way, my two cents here:
(1) I don't think you can achieve the e-mail integration you want, but I prefere some of the Exchange experts guys tell your options here ( VasilMichev TonyRedmond).(2) You could potentially grant access to SPO to all the users on the other tenant using Azure B2B.
The problem here is that you cannot have the same domain added in more than one O365 tenant. What you can do is use different domains or add subdomains, and use say blabla.tenant-a.com in tenant-b.com's organization.
Other than that, you can forward the messages based on the default tenant.onmicrosoft.com domain (for the receive part) and "spoof" the domain for the sending part. Which is far from ideal and will likely cause you troubles.
For the SPO part B2B/external users should work, as Juan mentioned.
I don't need to add the same domain to both tenants. Only sending and recieving mails over the same domain is my goal. At tenant A i can work maybe with a exchange sending connector. But what a bout tenant B? He need to redirect incomming mails for users in tenant A to Tenant A?
Is maybe a better solution when i install one AD Server in Azure and connect both clients to them?
