Error 738 | Server did not assign an address

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Systems & Devices

Canonical

/systems/routers/error-codes/error-738/

Last Updated

Feb 27, 2026

Summary

The remote server did not assign an IP address during the connection process.

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What This Code Means

Error 738 generally indicates that the server did not provide an IP address, or the negotiation failed. In PPP-style connections, address assignment is part of establishing a usable session.

Where Users Usually See This Code

PPPoE/broadband dial attempts
PPP-based VPN connections

Why This Code Appears

ISP provisioning issues
Server-side address pool problems
Incorrect PPP settings or negotiation failures

What Typically Happens Next

The connection fails and the device remains offline

What This Code Is Not

It is not a DNS error
It is not a local Wi-Fi password issue

Troubleshooting Checklist

□ Restart modem/router and retry
□ Confirm PPPoE credentials/service status with the ISP
□ Check whether multiple sessions are blocked by the ISP account

Notes And Edge Cases

If multiple customers report the same error, an ISP-side issue is likely.

Related Codes

8 links

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