| Test | Command | Expected Result | |-------|---------|------------------| | Loopback | ping 127.0.0.1 | 0% loss | | Local IP | ping <your_ip> | 0% loss | | Gateway | ping <default_gateway> | ≤1% loss | | External | ping 8.8.8.8 | 0% loss | | DNS resolution | nslookup microsoft.com | Non‑authoritative answer | | Connectivity | curl https://example.com | Returns HTML (or Invoke-WebRequest in PowerShell) |
sc query dnscache For help desk deployment, consolidate the full reset into an administrative script: how to reset tcp ip
If external ping works but DNS fails, check that the DNS Client service is running: | Test | Command | Expected Result |