Laptop BitLocker failing on drive with VSS service storage tier tampering

4.5

Storage tiers (SSD/HDD mix) have been tampered with.

Symptoms
  • BitLocker error
  • Performance drop
  • Service crash
Possible Causes
  • Incorrect tiering config
  • Malware

Step-by-Step Fix

1

Check Tiers

Use "Get-StorageTier" in PowerShell.

2

Optimize Tiers

Run the storage tier optimization task.

3

Run SFC

Repair system files.

When to See a Technician

Storage tiers move data between drives; if this fails, VSS snapshots can become corrupted.

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