Laptop unable to use BitLocker on drive with VSS permission errors
4.5
Incorrect NTFS permissions on the "System Volume Information" folder block VSS.
Symptoms
- BitLocker error 0x80070005
- VSS Access Denied
- Service won't start
Possible Causes
- Manual permission changes
- Malware
Step-by-Step Fix
1
Restore Folder Permissions
Ensure SYSTEM has Full Control over "System Volume Information".
2
Use Icacls
Run "icacls "C:System Volume Information" /grant system:f".
3
Check Group Policy
Ensure no policy is restricting access to system folders.
When to See a Technician
Never manually change permissions on the System Volume Information folder.
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