Cannot manually update Forefront Endpoint Protection on PCs and servers

Hello,

we run Microsoft Forefront Endpoint Protection 4.5.216.0 in our estate. we have few pcs that failed downloading the definitions and when we attempt to update the definition by clicking update in the FEP client console the client download the definition but fails to install it. we are getting the below error.

Virus and spyware definitions: connection failed.
the virus and spyware definitions did not update on data , time because of an internet connectivity problem.

when we also try to download the definition file mpam-fe in the PC and run it nothing is happening.
vanquisbankAsked:
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btanExec ConsultantCommented:
Wondering if the below helps
https://www.markbrilman.nl/2013/02/forefront-endpoint-protection-failing-on-manual-update/
Well it’s just Microsoft disabling updates for all other Microsoft products except Windows by default. What you need to to solve it: Open up your windows update screen. You will see directely what your causes your error. Updates are enabled for Windows only.
MSDN also shared troubleshooting update issues steps if that interest you to explore further
http://technet.microsoft.com/en-us/library/ff823818.aspx
This article addresses common issues with automatic updates, including the following situations:
You see error messages indicating that updates have failed.

When you check for updates, you receive an error message that the virus and spyware definition updates cannot be checked, downloaded, or installed.

Even though you are connected to the Internet, the updates fail.

Updates are not automatically installing as scheduled.
You can check this solved EE pertaining to update issue too. It "recreate" the SoftwareDistribution folder and restart the Windows update services...

http://www.experts-exchange.com/Security/Operating_Systems_Security/Windows_Security/Q_27889765.html

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