Laptop BitLocker failing on drive with sparse files
4.5
Large sparse files (often from databases or VMs) cause encryption to error out.
Symptoms
- Error code
- Hang at X%
- Metadata error
Possible Causes
- Sparse file allocation
- Disk error
Step-by-Step Fix
1
Move Sparse Files
Temporarily move large database files to another drive.
2
Run chkdsk /f
Fix any allocation errors.
3
Use Software Encryption
If hardware encryption fails, force software-based BitLocker.
When to See a Technician
Sparse files can confuse the encryption engine; moving them off the drive during encryption is the safest bet.
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