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Troubleshooting > Forcepoint Web Security interoperability issues > Unable to connect to the hybrid service
Unable to connect to the hybrid service
Administrator Help | Forcepoint Web Security | v8.5.x
With the Hybrid Module, on-premises and hybrid components must communicate regularly to ensure consistent policy enforcement and accurate reporting.
Sync Service may be prevented from accessing the hybrid service due to network problems, either affecting Internet or internal network connections.
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Use a browser or the ping utility to verify that the Sync Service machine can connect to the Internet.
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Make sure that an HTTPS connection to the Internet can be established from the Sync Service machine. Sync Service uses port 443 to connect to the hybrid service.
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Make sure that Sync Service can communicate with other on-premises components in the network via ports 55830 and 55831.
Also verify that there is not a problem preventing the hybrid service from accepting the Sync Service connection.
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Check the Hybrid Service Alerts table on the Status > Alerts page for information from the hybrid service.
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Make sure that administrators have been monitoring the email account provided as a contact address on the Settings > General > Account page for messages from Technical Support.

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Troubleshooting > Forcepoint Web Security interoperability issues > Unable to connect to the hybrid service
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