Migrieren von 1 Forest in 3 Office 365 Tenants

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Hallo,

 

Ich möchte bei einem unserer Kunden die Migration von Exchange 2013 auf mehrere Office 365 Tenants durchführen.

 

Leider kann ich im Onboarding Advisor nicht mehrere Tenants als Ziel auswählen, daher meine Frage hier in der Tech Community.

 

Es sollen bestimmte User- und Shared Mailboxen in bestimmte Tenants. Das ganze muss gefiltert werden, wobei ich vor der Migration die UPNs korrekt setzen und die Proxy-Adressen anpassen würde.

 

Folgendes soll erreicht werden:

140 User Mailboxes & 10 Shared Mailboxes zu Tenant 1 & Azure AD Sync nach Migration

80 User Mailboxes zu Tenant 2

20 User Mailboxes zu Tenant 3.

Es soll keine Duplikate geben.

UPNs sind vorhanden

Domains sind vorhanden und bereits gegen Office 365 verifiziert.

 

1. Welche Migrationsmethoden sind hier am besten?

2. Worauf ist zu achten?

3. Kann ich vor der Migration schon die User Accounts synchronisieren?

 

Danke, Stefan

 

 

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