What to Know When Migrating Teams Private Chats
Before embarking on a Microsoft Teams migration, you’ll want to familiarize yourself with how Teams Chat migrations work. This is because currently Microsoft Teams chats can only be migrated using Microsoft APIs. The best way to use those APIs is with MigrationWiz.
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Teams Private Chat migration is replacing Teams Chat mailbox migration. Currently available for free during the Preview phase, this functionality will later require a User Migration Bundle license.
Take advantage of advanced features
Streamline Migrations
Spend less time setting up your migration projects by using an Advanced Option to filter Source users based on their security group.
Regional Controls
Regional controls automatically direct Teams Private Chat data to the appropriate data center based on your preferences.
Multi-Pass Migrations
You can perform multi-pass migrations without duplicating previously migrated data.
Cloning Projects
By duplicating your settings, you can save valuable time when setting up multiple MigrationWiz projects.
Know the limitations while in preview
It’s important to understand the limitations of Microsoft Teams Chat migrations as you plan your project. Good communications are key to any migration project, and in this case, you’ll want to make sure your clients and end users know what to expect:
Only users with Microsoft Teams and OneDrive for Business licenses can have their chats migrated.
Although seemingly the same the process for migrating Teams conversations (conversations that are in Teams channels) migrating 1:1 type chats use different APIs.
Every chat, including 1:1 chats, needs a service account to export and import. This ends up turning 1:1 chats into group chats. Due to the need for the service account to be added to the rehydrated chats. Once the chats are migrated, a cleanup pass can be run to remove the service account from the rehydrated group chats and return them to 1:1.
Chats that were initiated by external users will not be able to be read by the API since they’re not part of the migrating tenant.
If you’re working on a full Teams migration, it is recommended to run Teams Private Chat separately and last.
Looking for Microsoft Teams Migrations?
With the Collaboration license, you can migrate Teams, Channels, Files, Conversation History, and more between Microsoft 365 tenants.




