zhizhu
Home / macos-help / Fix PuTTY Connection Refused After Server Restart - Enterprise Windows Defender Setup Checklist-Resolve 504 Gateway Timeout When Updating Windows 10

Fix PuTTY Connection Refused After Server Restart - Enterprise Windows Defender Setup Checklist-Resolve 504 Gateway Timeout When Updating Windows 10

2026-06-13 14:06:54
Fix PuTTY Connection Refused After Server Restart - Enterprise Windows Defender Setup Checklist-Resolve 504 Gateway Timeout When Updating Windows 10

Result check

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