Multiforest migration to Office 365
Hi Community, One of our customer has the below environment: Goal: All below forests needs to be synchronized to a single office 365 tenancy ( which could be a brand new tenancy ) so they can keep single email name space, single SharePoint, single one drive organisation for all forests. FOREST A Exchange 2013 on-prem and EXO in Hybrid ADFS is installed to sync Security enabled AD groups to O365. Users using SharePoint Multiple sites and OneDrive SSO enabled by ADFS, no write back 2250 mailboxes hosted in EXO FOREST B Local AD in on-prem No hybrid AAD sync installed to sync to O365 1700 mailboxes hosed in EXO No SPO/OneDrive users FOREST C Local AD in on-prem No hybrid AAD sync installed to sync to O365 1800 mailboxes hosed in EXO No SPO/OneDrive users FOREST D on-prem Exchange 2013 500 mailboxes hosted on-prem Questions: How can we plan for it? Any Best practices? Many thanks in advance.