Get the Microsoft Teams Forndation Concept

1. Microsoft Teams
Foundations – Core componentsof MicrosoftTeams

3. Architecture

4. Team
Modern
Group
Chat
Channel
SharePoint
Reply ChainMessage
Images, Emojis,
Stickers, Giphy,
Recordings
OneDrive
Tabs
Folder
Tabs
Activity Feed
Meetings
Calling
Apps
Apps
Contacts
Teams
Chats
Voice

5. Chat service
In memory processing for speed
Leverages Azure storage (moving to Cosmos DB)
Exchange
Chat and channel messages are also stored in
Exchange for information protection
Conversation images & media
Inline Images/Stickers are stored in a
media store, Giphys are not stored.
Where are conversations stored?

6. 1:N chats
Files are uploaded to OneDrive for Business
and permissions are set for the members of
the chat
Team conversations
Files are uploaded to SharePoint. A folder is
associated with each channel in the team
Cloud storage
Dropbox, Box, Citrix ShareFile, Google Drive
Where are files stored?

7. Image
Files
Voicemail
Message
Recording
Calendar
meeting
Contacts
Media service on Azure (using Blob storage)
Team files → SharePoint
Chat files → OneDrive for Business
Individual mailbox in Exchange
Chat service table storage (moving to Cosmos DB)
Media service on Azure (using Blob storage) (<24
hours)
Individual mailbox in Exchange
Exchange
Ingested to Exchange to enable compliance
Ingested to Exchange to enable compliance
Encoded to Stream
Telemetry Microsoft Data warehouse (No customer content)
Entity Storage Storage
Key data entities and location where data is stored at rest

8. Azure Active Directory

10. https://aka.ms/azure-features

17. Office 365 Groups

18. Office 365 Groups is a membership service
One Identity
Azure Active Directory (AAD) is the master
for group identity and membership across
Office 365 (Exchange, SharePoint, etc.)
Federated Resources
O365 services extend with their data
(e.g. Group messaging, SharePoint
Team Site, OneNote, Planner)
Loose coupling
Services notify each other of
changes to a group (e.g., creation,
deletion, updates).
User creates new group
for collaboration
Office 365 Application
Group experience populated
in app of choice
Office 365 Application
Group identity created in
Azure Active Directory
Azure Active Directory
Identity, Resource URLs,
Owners, Members
1 2 3

20. Outlook
Yammer

23. https://aka.ms/TeamsDM

25. https://aka.ms/groups-exchange-hybrid
https://aka.ms/groups-domain

29. SharePoint Online &
OneDrive for Business

34. Team channel files in SharePoint

37. “Modernize” existing team sites!
• Lists and libraries modern by default
• Add modern home (and other) pages
• Attach site to a new O365 Group
Classic Sites Modern Sites

39. * License F1 does not include storage per user

40. In Teams In Group/SharePoint
Adding members Will take effect in Group and Teams Will take effect in Group and Teams
Promoting members to owners Will take effect in Group and Teams Will take effect in Group and Teams
Changing channel/folder name Will change channel name but keep
folder name
Will change folder name but will
break Teams integration
Change file permissions for members You can’t configure file permissions
in Teams, but Teams will respect
permissions set in SharePoint
Will take effect in Group and Teams

43. Exchange

45. For the full Microsoft Teams experience, every user should be enabled for Exchange Online,
SharePoint Online, OneDrive for Business and Office 365 Group creation.
https://aka.ms/teams-exchange
Exchange Online ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Exchange Online
Dedicated vNext
✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Exchange Online
Dedicated –
Legacy
Yes1 Yes1,2 ✕
Yes (must
be on
allowed
list)
✓ ✕ ✕ ✓ ✓ ✕ ✕ ✕ ✓ ✓
Exchange on-
premises
Yes1 Yes1,2 ✕
Yes (must
be on
allowed
list)
✓
Exchange
2016 CU3
or later
✕ ✓ ✓ ✕ ✕ ✕ ✕ ✓
1 eDiscovery and Legal Hold for compliance on channel messages is supported for all hosting options.
2 Teams private chat messages are not yet supported for Legal Hold for this hosting option.

49. Summary

51. Thank you.