Laptop BitLocker failing on drive with delivery optimization fragmentation
4.5
Fragmented Windows Update peer-to-peer cache files block encryption.
Symptoms
- Slow encryption
- High network/disk usage
- System lag
Possible Causes
- P2P update sharing enabled
- Large cache size
Step-by-Step Fix
1
Clear DO Cache
Settings > Storage > Temporary Files > Delivery Optimization Files.
2
Disable P2P Updates
Settings > Windows Update > Advanced > Delivery Optimization > Off.
3
Limit Cache Size
Set a low limit for the DO cache in Group Policy.
When to See a Technician
Delivery Optimization can create massive hidden files that are highly fragmented.
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