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How to Resolve Firewall Issues to Get SmartCloud Connect Running

Office 365

Some network environments are locked down via a Firewall and allow connecting only to whitelisted IP addresses from within their corporate networks.

The table of of SmartCloud Connect resources IPs which should be whitelisted in your firewall settings for inbound/outbound connection.


All listed IPs are guaranteed to be secure, according to our privacy and security policies.

Source Destination Port / Protocol Details
End users’ devices
443 / HTTPS SmartCloud Connect Synchronization connections (MS Azure infrastructure)
Users’ Exchange server
Users’ Salesforce account
443 / HTTPS SmartCloud Connect connections required for emails and calendar items syncing
End users’ devices
443 / HTTPS Required Invisible Solutions resources
End users’ devices
443 / HTTPS Auxiliary CDN, API, and other resources used by SCC Add-In
End users’ devices *
443 / HTTPS If you face issues with opening SmartCloud Connect Sidebar, Sync management dashboard, Customization page, or SCC Admin panel, also add these resources to the whitelist of your firewall (or proxy server)
These are required Salesforce, Microsoft, wizards rendering, and other relevant resources


Additionally, sometimes Salesforce logging in and data access is restricted by an IP addresses range. If you cannot log in to Salesforce via SmartCloud Connect, make sure that the above listed IP addresses are included in Login / Trusted IP ranges of your Salesforce account or Org. Please find more info on how to manage them in this official Salesforce blog or official documentation regarding Login IP ranges and Trusted IP ranges.