Specifying Required Network Ports and Protocols for Microsoft Teams

Now that you have an idea of Teams bandwidth requirements and how to use Network Planner for your Microsoft Teams deployment, you need to learn which network ports and protocols on your organization’s firewalls are required to ensure that Teams features work as expected.

UDP ports 3478 through 3481 for IP address ranges of 13.107.64.0/18, 52.112.0.0/14, and 52.122.0.0/15, along with the 2603:1063::/38 IPv6 range, must be opened at all your business locations for Teams media requirements, ensuring seamless audio and video communications across your organization. You can view an extensive list of additional endpoints used by Microsoft 365 for various workloads at https://learn.microsoft.com/en-us/microsoft-365/enterprise/urls-and-ip-address-ranges.

Next, you will look at configuring an optimal network architecture for Teams by reviewing topics such as the WAN optimizer, proxy, and load-balancer options for...