Microsoft Teams Network Requirements
If you are having network issues or you just are using the Microsoft Teams phone system for the first time, then it is important to review your network security to ensure it's allowing Microsoft to get to you with no difficulties.
Below is the link to the Microsoft Network Assessment tool. This
can be run on any PC, and will tell you if there are any difficulties
communicating with Microsoft.
Below is the site link for the IP ranges which you want to accept through for Microsoft Teams servers.
List as of the 19th of September 2023
Skype for Business Online and Microsoft Teams
| ID | Category | ER | Addresses | Ports |
|---|---|---|---|---|
| 11 | Optimize Required |
Yes | 13.107.64.0/18, 52.112.0.0/14, 52.122.0.0/15, 2603:1063::/38 |
UDP: 3478, 3479, 3480, 3481 |
| 12 | Allow Required |
Yes | *.lync.com, *.teams.microsoft.com, teams.microsoft.com13.107.64.0/18,
52.112.0.0/14, 52.122.0.0/15, 52.238.119.141/32, 52.244.160.207/32,
2603:1027::/48, 2603:1037::/48, 2603:1047::/48, 2603:1057::/48,
2603:1063::/38, 2620:1ec:6::/48, 2620:1ec:40::/42 |
TCP: 443, 80 |
| 13 | Allow Required |
Yes | *.broadcast.skype.com, broadcast.skype.com13.107.64.0/18,
52.112.0.0/14, 52.122.0.0/15, 52.238.119.141/32, 52.244.160.207/32,
2603:1027::/48, 2603:1037::/48, 2603:1047::/48, 2603:1057::/48,
2603:1063::/38, 2620:1ec:6::/48, 2620:1ec:40::/42 |
TCP: 443 |
| 15 | Default Required |
No | *.sfbassets.com |
TCP: 443, 80 |
| 16 | Default Required |
No | *.keydelivery.mediaservices.windows.net, *.streaming.mediaservices.windows.net, mlccdn.blob.core.windows.net |
TCP: 443 |
| 17 | Default Required |
No | aka.ms |
TCP: 443 |
| 18 | Default Optional Notes: Federation with Skype and public IM connectivity: Contact picture retrieval |
No | *.users.storage.live.com |
TCP: 443 |
| 19 | Default Optional Notes: Applies only to those who deploy the Conference Room Systems |
No | adl.windows.com |
TCP: 443, 80 |
| 22 | Allow Optional Notes: Teams: Messaging interop with Skype for Business |
Yes | *.skypeforbusiness.com13.107.64.0/18,
52.112.0.0/14, 52.122.0.0/15, 52.238.119.141/32, 52.244.160.207/32,
2603:1027::/48, 2603:1037::/48, 2603:1047::/48, 2603:1057::/48,
2603:1063::/38, 2620:1ec:6::/48, 2620:1ec:40::/42 |
TCP: 443 |
| 27 | Default Required |
No | *.mstea.ms, *.secure.skypeassets.com, mlccdnprod.azureedge.net |
TCP: 443 |
| 127 | Default Required |
No | *.skype.com |
TCP: 443, 80 |
| 167 | Default Required |
No | *.ecdn.microsoft.com |
TCP: 443 |
| 180 | Default Required |
No | compass-ssl.microsoft.com |
TCP: 443 |
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