VPN connects successfully but internal DNS suffix never applies

Scenario

VPN connects successfully but internal DNS suffix never applies. The issue is affecting normal operations and needs a repeatable troubleshooting path that fits the MSP Toolkit style.

Recommended Resolution Path

1. Confirm the problem scope, affected users, and whether the issue is isolated to vpn & remote access or part of a broader change.
2. Compare one known-good path against the failing path before making disruptive changes to the vpn & remote access workflow.
3. Review recent updates, policy changes, cached credentials, or infrastructure dependencies that align with the first reported failure.
4. Apply the least disruptive corrective action first, then validate from the user perspective and document the root cause plus prevention notes.

Technician Notes

Confirm the result, document the root cause, and record any preventative action worth standardizing.