> CommCell Console > Backup and Restore Agents > Exchange Agents > Exchange Mailbox Agent > User Mailbox > Exchange Online (Through On-Premises Active Directory) Environment > Prerequisites

Exchange Mailbox Agent User Mailbox Exchange Online (Through On-Premises Active Directory) - Port Requirements

The following table contains network ports that must be opened for Exchange Online backup.

Note

The required ports and URL are subject to change based upon Microsoft requirements.

Environment

Source

Destination

Protocol

Ports

URL

All regions

Access Node (Mailbox)

Microsoft Exchange Online

(HTTP)HTTPS

80,443

  • https://outlook.office365.com/Powershell-LiveID

  • https://outlook.office365.com/EWS/Exchange.asmx

  • https://login.microsoftonline.com

  • https://graph.microsoft.com

China region

Access Node (Mailbox)

Microsoft Exchange Online

(HTTP)HTTPS

80,443

  • https://partner.outlook.cn/PowerShell

  • https://partner.outlook.cn/EWS/Exchange.asmx

  • https://login.chinacloudapi.cn/

  • https://microsoftgraph.chinacloudapi.cn

  • https://partner.outlook.cn/

Germany region

Access Node (Mailbox)

Microsoft Exchange Online

(HTTP)HTTPS

80,443

  • https://outlook.office.de/PowerShell-LiveID

  • https://outlook.office.de/EWS/Exchange.asmx

  • https://login.microsoftonline.de/

  • https://graph.microsoft.de/

  • https://outlook.office.de/

US Government

Access Node (Mailbox)

Microsoft Exchange Online

(HTTP)HTTPS

80,443

  • https://portal.azure.us

  • https://login.microsoftonline.us

  • https://graph.microsoft.us/

  • https://outlook.office365.us/powershell-liveid/

U.S. Government GCC High endpoints

Access Node (Mailbox)

Microsoft Exchange Online

(HTTP)HTTPS

80,443

  • https://outlook.office.us/powershell-liveid/

  • https://outlook.office365.us/EWS/Exchange.asmx

  • https://login.microsoftonline.us

  • https://graph.microsoft.us
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