How to Install McAfee Data Loss Prevention on a stand alone system with no connection to ePO Server

Follow those instructions:

Policy

Version 9.3.x and less - From DLP Policy in ePO console export the policy.
you will only need 2 files:
both file will need to with those names:(by extension)
-GlobalPolicy.opg
-GlobalPolicy.opgc

Version 9.4.x and less​ - To export the policy we want to enforce on the stand alone system we will go to managed system with McAfee DLP client installed.

From this location:
C:\ProgramData\McAfee\DLP\Temp\Policy
Copy those files:
-GlobalPolicy.opg
-Configuration.opg

Change the name of the file "Configuration.opg" to "GlobalPolicy.opgc"

GO to the standalone system and install the McAfee DLP, make sure you install the correct one there is 32\64bit version, At the finish of the installtion you will require to restart the system DO NOT RESTART ! ! !

Open the registry(Start-> run -> regedit)
Go to:
HKEY_LOCAL_MACHINE\SOFTWARE\McAfee\DLP\Agent

Create a new key "PolicyInjection"
Under the new key "PolicyInjection" Create:

1. PolicyInjectionRefreshIntervalInSec = 00000003 (this value is type DWORD)
2. PolicyInjectionFolder = c:\Temp\PoIicy (this value is a string and can be any valid path on your machine.) 

Copy to the folder "C:\Temp\Policy" the 2 policy files: 
-GlobalPolicy.opg
-GlobalPolicy.opgc

Restart the system at list 2 times. 

Problem:
Failed to install Data Loss Prevention 9.x.
failed to deploy DLP agent from ePO and install it manually.

Solution:

Go to Add/Remove program and uninstall all the program start with Microsoft Visual C++.
After uninstall all the Microsoft Visual C++, Restart the system.

Open a command prompt and run the command:(depending on the operation systems)

DLPAgentInstaller.x64.exe /extract
DLPAgentInstaller.x32.exe /extract

On the folder the DLPAgentInstaller.x##.exe exists you will see those files:
DLPAgentinstaller.msi
DLPAgentinstaller.exe
En_visual_c_pp_2010_sp1_redistributable_package_x64_651767.exe
En_visual_c_pp_2010_sp1_redistributable_package_x86_651767.exe
Vcredist_keyview_x64.exe

Install:
1. En_visual_c_pp_2010_sp1_redistributable_package_x86_651767.exe
    or
    En_visual_c_pp_2010_sp1_redistributable_package_x64_651767.exe
2. Vcredist_keyview_x64.exe

3. DLPAgentinstaller.exe

If you failed to install the Microsoft Visual C++, if you have an error:
"Error 1935.An error occurred during the installtion of assembly 'Microsoft.VC80.CRT,Type="win32",publicKeyToken="1fc8b3b9a1e18e3b" ,processorArchitecture="amd64"'. Please refer to Help and Support for more information"

Connect with Microsoft support  
​

Issue:

The product evaluation period has expired. Please contact you system administrator

Cause:

When you installed the DLP extension you didn't update the license of DLP.
DLP is one of the only McAfee Products that need a license update in ePO server. 

Solution:

-Download the DLP product from the Partner site in McAfee website, the                               archive: McAfeeDeviceControlXXLicensed.zip
-Extract the archive and open the file McAfeeDC94LicenseKey.txt
-Inside copy the license XXXX-XXXX-XXXX-XXXX
-Log on to ePO server
-Go to Menu | DLP Policy | Help | Update License
-Click Update and copy the license key, click Apply
-The DLP Policy will need to restart and update