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How to Fix BitLocker 502 Bad Gateway Error - OneDrive Sync 'Connection Refused' Fix-Fixing ERR_SSL_PROTOCOL_ERROR Certificate Issues

2026-06-14 04:50:48
How to Fix BitLocker 502 Bad Gateway Error - OneDrive Sync 'Connection Refused' Fix-Fixing ERR_SSL_PROTOCOL_ERROR Certificate Issues

Result check

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