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Ports Requirements for Exchange Online

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

Ports

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: 4/26/2021 5:13:42 PM