Laptop unable to use BitLocker on drive with branchcache fragmentation
4.5
Corporate network cache files (BranchCache) are fragmented, slowing down the drive.
Symptoms
- Slow encryption on work laptop
- Disk usage 100%
- System lag
Possible Causes
- Enterprise network settings
- Large cache
Step-by-Step Fix
1
Clear BranchCache
Run "netsh branchcache flush" in admin CMD.
2
Check Cache Status
Run "netsh branchcache show status" to see usage.
3
Disable BranchCache
Temporarily stop the service during encryption.
When to See a Technician
BranchCache is only used in Enterprise environments; it can safely be flushed to improve disk speed.
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