Laptop unable to use BitLocker on drive with VSS service configuration tampering

4.5

The VSS service configuration has been modified to prevent snapshots.

Symptoms
  • BitLocker error
  • Service won't start
  • Access denied
Possible Causes
  • Corporate policy
  • Malware
  • Manual edits

Step-by-Step Fix

1

Reset Service Config

Use "sc config vss start= demand" in admin CMD.

2

Check Group Policy

Ensure no policy is disabling VSS.

3

Run SFC

Restore default service settings.

When to See a Technician

VSS configuration should be left at its default "Manual" state.

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