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50,000 - 59,999 Port Range

Communications Server 2007 R2

Topic Last Modified: 2009-10-19

The A/V Edge service requires the port range from 50,000 through 59,999 to be open outbound for TCP for federation.

  • Additionally, if you will be federating with organizations that run Office Communications Server 2007 and earlier, you must open this 50,000 to 59,999 port range for both RTP/TCP and RTP/UDP, and for both inbound and outbound connections.
  • If you will be federating only with organizations that run Office Communications Server 2007 R2, you need only to open this port range for RTP/TCP, only for outbound connections.
  • Otherwise, if you will not be sharing audio/video over a federated relationship, you can close this port range.
    Dd441209.note(en-us,office.13).gifNote:
    Closing 50,000-59,999 prevents A/V conferencing between an Office Communications Server 2007 federated domain and an Office Communications Server 2007 R2 federated domain, but A/V conferencing between two Office Communications Server 2007 R2 federated domains can still take place over port 3478 (UDP) or port 443 (TCP).
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