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Description:  

This policy setting changes the default round trip network latency value above which network files are
cached by client computers in the branch. BranchCache for network files enables computers in a branch office
to cache data from Intranet servers on which BranchCache is enabled, and then securely share the files with
other computers in the branch. One of the content types that can be cached in a branch office is network files
using the Server Message Block (SMB) protocol.

By default, network files are cached in the branch office when the round trip network latency of the wide area
network (WAN) link is above 80 ms. To always cache network files downloaded to computers in the branch
office, set the network latency value to 0. To disable branch caching for network files, set the latency value to
a very high value.

If you enable this policy setting, you can configure the round trip network latency above which network files
should be cached by client computers in the branch office.

If you disable or do not configure this policy setting, the client computer will cache network files if the round
trip network latency of the wide area network (WAN) link is above 80 ms.

Supported on: At least Windows 7 or Windows Server 2008 R2
Configure BranchCache for network files
Description Gpedit Regedit CMD Back VBScript PowerShell Script
Gpedit:   

Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
Type gpedit.msc and press Enter
In the Group Policy window please navigate to Computer Configuration -> Administrative Templates ->
Network -> BranchCache and open Configure BranchCache for network files.
Not Configured -> is the Default state
Enabled -> apply this GPO
Disabled -> this GPO will not be applied

To finish press ok button and close Group Policy window.
Description Gpedit Regedit CMD Up Back VBScript
Type regedit and press ok
Please confirm User Account Control pop-up
Microsoft official disclaimer

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by
using another method. These problems might require that you reinstall the operating system. Microsoft
cannot guarantee that these problems can be solved. Modify the registry at your own risk.

Note: This registry key is created by Group Policy when this GPO is Enable. The GPO Default state is Not
Configured -> this registry entry is not present. For Disable this registry entry is not present.

Please navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\NetCache and
locate
PeerCachingLatencyThreshold registry key
Regedit:          

Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
Description Gpedit Regedit CMD Up Back VBScript
Double click on PeerCachingLatencyThreshold and edit the value:

To Enable:
Change the data value with 50


To finish press ok button and close Registry Editor window

Note: Manual editing of this registry key will not be reflected in Group Policy. If you modify this GPO from
Group Policy this registry key will be rewritten.
Description Gpedit Regedit Back CMD VBScript Up
Type cmd, right click on cmd icon under the Programs and click on Run as administrator
Please confirm User Account Control pop-up
Please select, right and copy a registry key from below, then right click on command prompt window
, select Paste and press Enter

Enabled:
REG add "HKLM\SOFTWARE\Policies\Microsoft\Windows\NetCache" /v PeerCachingLatencyThreshold /t REG_DWORD /d 80 /f

Not Configured\Disabled:
REG DELETE "HKLM\SOFTWARE\Policies\Microsoft\Windows\NetCache" /v PeerCachingLatencyThreshold /f

Note: Manual editing of this registry key will not be reflected in Group Policy. If you modify this GPO from
Group Policy this registry key will be rewritten.
CMD:          

Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
Description Gpedit Regedit Back CMD VBScript Up
VBScript:          

Const HKEY_LOCAL_MACHINE = &H80000002
strComputer = "."
Set oReg=GetObject("winmgmts:{impersonationLevel=impersonate}!\\" & _
strComputer & "\root\default:StdRegProv")

strKeyPath = "SOFTWARE\Policies\Microsoft\Windows\NetCache"
oReg.CreateKey HKEY_LOCAL_MACHINE,strKeyPath
strValueName = "PeerCachingLatencyThreshold"
'Enabled
dwValue = 80
oReg.SetDWORDValue HKEY_LOCAL_MACHINE,strKeyPath,strValueName,dwValue
'Not Configured
'oReg.DeleteValue HKEY_LOCAL_MACHINE,strKeyPath,strValueName
Description Gpedit Regedit Back CMD VBScript Up
PowerShell Script :          

Enabled

$RegKey = "HKLM:\SOFTWARE\Policies\Microsoft\Windows"
If(Test-Path ($RegKey + "\NetCache"))
{
 $RegKey = "HKLM:\SOFTWARE\Policies\Microsoft\Windows\NetCache"
 ##Enabled
 New-ItemProperty -path $RegKey -name PeerCachingLatencyThreshold -value 80 -PropertyType DWord -Force
}
else
{
 New-Item -path $RegKey -name NetCache
 $RegKey = "HKLM:\SOFTWARE\Policies\Microsoft\Windows\NetCache"
 ##Enabled
 New-ItemProperty -path $RegKey -name PeerCachingLatencyThreshold -value 80 -PropertyType DWord
}

Not Configured\Disabled

$RegKey = "HKLM:\SOFTWARE\Policies\Microsoft\Windows"
Remove-ItemProperty -Path($RegKey + "\NetCache") -name PeerCachingLatencyThreshold
If( (Get-Item -Path($RegKey + "\NetCache")).ValueCount -eq 0 -and (Get-Item -Path($RegKey + "\NetCache")).SubKeyCount -eq 0)
{
 Remove-Item -Path($RegKey + "\NetCache")
}
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