Which all are the SEP features installed in the client?

Try by uninstalling NTP.

* NTP having the firewall component and  teefer2.sys is the driver file for the firewall component

* Teefer driver is upgraded on 11.0.7 for the network based issues with SEP firewall

* Windows 7 SP1 and above and Windows 2008 servers SP1 and above is compatible only with SEP 11.0.7 and SEP 12.1

Release notes for Endpoint Protection  11

http://www.symantec.com/docs/TECH103087

Installing Network Threat Protection (NTP) causes loss in communication
Fix ID: 2575843
Symptom: Installing SEP with NTP causes the client to lose all communications with SEPM. All other network traffic remains unaffected.
Solution: Fixed the issue where a needed attribute was missing from a specific dll.

Features installed are:

Antivirus and Antispyware Protection

Proactive Threat Protection

Network Threat Protection

Network Access Control

I can't uninstall any of the above.

@Mohan Babu - "Symptom: Installing SEP with NTP causes the client to lose all communications with SEPM. All other network traffic remains unaffected."

In this case, no network is working as all devices are showing as corrupt and rollback of drivers, updation of LAN drivers manually also is not working. Please help.

Hi,

Possibility of driver conflict.

If it's happening with brand new laptops you should test with latest SEP version.

Till date releases

http://bit.ly/m0vOJp

Possibility of driver conflict.

go to network adapter settings in general tab look any firewall driver for other software

also for communication server - client's , if check client's ok online in server management and ping work correctly

About Endpoint Protection support for Windows 7 and Windows Server 2008 R2

http://www.symantec.com/docs/TECH94910

Which versions of Symantec Endpoint Protection are supported on Windows 7 SP1 and Windows Server 2008 R2 SP1?
Symantec Endpoint Protection 11.0 Release Update 7 (RU7) and Symantec Endpoint Protection 12.1 or higher is supported on Windows 7 SP1 and Windows Server 2008 R2 SP1. For information on getting the latest release, read the document Obtaining an upgrade or update for Symantec Endpoint Protection 11.x/12.1 or Symantec Network Access Control 11.x.

Can someone provide the latest cleanwipe for both Windows XP and Windows 7?

Hi Raghums,

How to get the CleanWipe tool (Endpoint Removal)

http://www.symantec.com/connect/forums/how-get-cleanwipe-tool-endpoint-removal