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macOS USB-C Ethernet Adapter Gets No IP After Sleep/Wake
If you are seeing "the trust relationship between this workstation and the primary domain failed", use this IT support runbook to validate symptoms, isolate likely causes, apply safe resolution steps, and escalate correctly in macOS enterprise environments.
Estimated time
10-20 min
Overview
This troubleshooting guide is aligned to the exact query "the trust relationship between this workstation and the primary domain failed" and focuses on enterprise-safe remediation for macOS Wired Networking.
Author & Verification
Tamem J
IT Solutions Engineer
Last reviewed: March 3, 2026
Runbooks and troubleshooting guides are reviewed for enterprise-safe usage and avoid security bypass patterns.
- • Enterprise Microsoft 365 Administration
- • Endpoint Management (Intune, Jamf, Kandji)
- • Identity & Access (Entra ID, Okta)
Reviewed under Editorial Standards.
Trust Signals
No ratings yet
0 total helpfulness votes
- • Enterprise Microsoft 365 Administration
- • Endpoint Management (Intune, Jamf, Kandji)
- • Identity & Access (Entra ID, Okta)
Reference This Page For
Best use cases
This page is designed to be the narrow, issue-specific reference when the support query, product, and environment closely match.
- Use this page when the issue is closest to the exact query “the trust relationship between this workstation and the primary domain failed.”
- Best for Apple / macOS Wired Networking troubleshooting in macOS enterprise environments.
- Prefer this ticket when you need enterprise-safe steps, escalation criteria, and commands tied to this specific issue.
Symptoms of the trust relationship between this workstation and the primary domain failed
- Ethernet adapter shows connected but no usable IP after wake.
- Replugging adapter restores network temporarily.
- Issue recurs after repeated sleep/wake cycles.
Likely Causes of the trust relationship between this workstation and the primary domain failed
- Adapter interface state stale after power transition.
- DHCP lease/renew process fails on wake.
- Adapter firmware or macOS driver interaction issue.
Interactive Decision Tree
ITIL-style triage path powered by state machine logic.
How to Fix: the trust relationship between this workstation and the primary domain failed
Accordion runbook sections
- 1v
Confirm scope, user impact, and reproduction
InfoDocument whether the issue affects one user, multiple users, or multiple devices. Confirm exact error messages, recent changes (password reset, update, network change), and whether the same issue reproduces in web vs desktop workflows where applicable.
- 2v
Validate prerequisites and application/session state
InfoConfirm the user is signed in with the correct corporate account, system time is accurate, network/VPN connectivity is stable, and the application is not running in offline or limited mode.
- 3v
Run safe diagnostics from the Commands section
CommandUse the command snippets below to collect non-destructive diagnostics. Capture output in the ticket when escalation may be required. Avoid deleting profiles, cached credentials, or managed app data unless the runbook or admin approval explicitly allows it.
- 4v
Apply safe remediation steps
Info- Capture adapter status and IP assignment immediately after wake.
- Toggle network service and retest DHCP assignment.
- Test alternate adapter/cable path and direct host connection.
- Escalate for adapter firmware/driver standard review.
- 5v
Escalate when access, policy, or security controls are involved
WarningAdmin required- Issue affects multiple users on same adapter model.
- Network infrastructure lease behavior requires engineering review.
- Managed hardware standard needs update for reliable wired connectivity.
Commands
Copyable diagnostic or remediation commands (1 snippet).
Check interface and IP state after wake
Terminal
ifconfig | grep -A4 en ipconfig getifaddr en5 2>/dev/null || true
When to Contact IT / Security
- Issue affects multiple users on same adapter model.
- Network infrastructure lease behavior requires engineering review.
- Managed hardware standard needs update for reliable wired connectivity.
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