Windows time service healthy but workstation drifts after sleep

Minimal guidance for messy support realities.

Scenario

A mobile workstation keeps developing time drift after sleep or travel even though Windows Time reports normal service state.

Recommended Resolution Path

  1. Compare BIOS time, hypervisor influence if virtual, and internet time reachability after resume.
  2. Check whether VPN or firewall restrictions delay NTP access.
  3. Force a resync after wake and observe whether the drift repeats predictably.
  4. Treat repeated post-sleep drift as a stability issue because it cascades into auth failures.

Technician Notes

Document what changed, what confirmed the fix, and whether the issue points to a broader standards gap worth addressing for the client.

Subjects