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Fix Task Scheduler Backup Fails Error Code - Troubleshoot OneDrive Sync Module Issues-Troubleshooting Redis Firewall Blocking Connections

2026-06-14 05:32:11
Fix Task Scheduler Backup Fails Error Code - Troubleshoot OneDrive Sync Module Issues-Troubleshooting Redis Firewall Blocking Connections

Result check

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

Next references

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