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Exchange Online - Port Requirements

To use the express configuration, which automatically creates the Exchange Online app and access nodes, you must open certain ports on the Web Server that is pointed to the Command Center.

Environment

Source

Destination

Protocol

Port

URLs

All regions (US GCC)

Access node (Mailbox)

Exchange Online

HTTPS

80, 443

  • https://www.office.com
  • https://outlook.office365.com/Powershell-LiveID
  • https://outlook.office365.com/EWS/Exchange.asmx
  • https://login.microsoftonline.com
  • https://graph.microsoft.com

China

Access node (Mailbox)

Exchange Online

HTTPS

80, 443

  • https://partner.outlook.cn/PowerShell
  • https://partner.outlook.cn/EWS/Exchange.asmx
  • https://login.chinacloudapi.cn
  • https://microsoftgraph.chinacloudapi.cn

Germany

Access node (Mailbox)

Exchange Online

HTTPS

80, 443

  • https://outlook.office.de/PowerShell-LiveID
  • https://outlook.office.de/EWS/Exchange.asmx
  • https://graph.microsoft.de
  • https://login.microsoftonline.de

US Government (US GCC HIGH)

Access Node (Mailbox)

Microsoft Exchange Online

HTTPS

80, 443

  • https://portal.azure.us
  • https://login.microsoftonline.us
  • https://graph.microsoft.us/
  • https://outlook.office365.us/powershell-liveid/

Last modified: 1/29/2021 4:31:51 PM