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Monitoring / Endpoint Protection Status / System Center 2012 R2 Endpoint Protection Status / Operational State 12 clients are failing to apply the custom policy.

Most common reasons for update failure: What you need: 1) Latest Certified Definitions from Symantec.

Please download the latest certified definitions from Symantec website at:

So, in order to find the broken SEP clients in my company – about 14,000 computers in various locations around the country – I turned to Powershell and the . The results were both very surprising and disconcerting.

Error 4005 would make me think about “Access Denied” error but it doesn’t make any sense.

The SCCM client is healthy everything is working fine and my Endpoint Definition are getting updated by SCCM.

Please reboot the system and rerun the installation.” I rebooted the server and then tried to install the client again, but the same error would appear.

I found that there was a registry entry that was giving me grief with the install, and here are the instructions that I used to fix the problem.