Windows 2012 data dedupe antivirus exclusions

Since I couldn't find any on the interwebs, some monitoring lead to.

Process - fsdmhost.exe
Folder - <drive>\System Volume Information\Dedup\*

/NM

File Server Error - Windows 8 / windows 2012

While using windows 8 or Windows 2012 was getting Extended Error Connecting to NAS or system error 2148073478 or  ("an extended error has occurred")

Soltuion

Reduce workstation security so that can access NAS, linux file server, etc

HKLM:\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters

REG_DWORD  RequireSecureNegotiate = 0