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Reset DNS Cache Using Command Prompt Not Working: Fixes - Fix Teams Setup Failed Error-How to Resolve Windows Defender Firewall Network Error in Windows 11

2026-06-14 12:54:52
Reset DNS Cache Using Command Prompt Not Working: Fixes - Fix Teams Setup Failed Error-How to Resolve Windows Defender Firewall Network Error in Windows 11

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.