Symantec Endpoint Protection not updating automatically

I just took over a client's network and they are running Symantec Endpoint Protection. Looks like the last update that was working was 12/10/2010.
There is nothing in the event logs that tells me if there are any issues with the product.
Live Update tab is greyed out.
They are running version 11
johnbowdenAsked:
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BITCoolerConnect With a Mentor Commented:
the reason Live Update us greyed out, is because the Client AV Protection was installed as a "Managed Client" on the PC or Workstation instead of an Unmanaged Client.  Therefore the live updates are centrally downloaded by the EndPoint Protection Manager and pushed out to the clients.

Possible issues

1) Client firewalls

2) Old or corrupted virus definitions prevent Symantec Endpoint Protection Manager to update with new downloaded virus definitions

Read this article from Symantec:

Symantec Endpoint Protection Manager 11.x is not updating 32 or 64 bit virus definitions

http://www.symantec.com/business/support/index?page=content&id=TECH104721&locale=en_US
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