open
add/remove programs
select symanec endpoint
select modify
remove NTP
select AV and select this feature and all sub feature will be available.
run the install
its quite possible that you selected upgrade groups with package and selected NTP.

Go to add/remove programs select SEP  click on chage -->next---->modify-->next select the features which you required and click next until the wizard finishes.....

 Run a repair for SEP from the SEP CD1 SEP folder or Just run the exe from the pacakge

Go to C:\Documents and Settings\All Users\Application Data\Symantec\Cached Installs here you can find a folder go inside of that and run Symantec AntiVirus.msi,you will get the above said options...

try from console session, you wil find that in add/remove programs
if not
start -run -regedit
hklm\softrware\microsfot\currentversion\uninstall , look for sep uninstall key on right,
run it on command prompt, i wil repair it

dears,

after installation again  and reboot,icouldnot find SEP in add/remove program.

note : BESR agent is installed in the server itself.does that affect ?

regards

if you dont find in add/remove programs
i would like you to install it again from CD1 as unmanged and then remove it from add/remove programs
use this tool to clean leftovers
http://support.microsoft.com/290301

i did the installation but it gave me that the process was interupted .

regards

Please go to run and type %temp%
 
Look for a file called SEP_inst.log
 
In the log file look for return value 3  and paste 6-7 lines before that
 
We need all the instances for the Return value 3

dears , all is fine , i did what did you suggest ?

but i have another proble appearing when i tried to update the AV using  SEPM --> admin--> servers

as follows :

if you deploy SEP by third party tool then you have to remove this package from machine completey and install SEP latest and fresh package.
remove SEP from add/remove or use cleanWipe.

Please don't forget to mark your thread solved with whatever answer helped you : )

What is the version of SEPM you are using?
if this is not the latest one, please upgrade to version 6 (what is the latest release)

Go to C:\Documents and Settings\All Users\Application Data\Symantec\Cached Installs here you can find a folder go inside of that and run Symantec AntiVirus.msi and remove SEP (You may use the package from the cd---cd1\sep also for this).
Delete following folders if present
C:\Program Files\Symantec endpoint protection
C:\Program Files\Symantec AntiVirus
Install SEP back and try...

This is a known issue in MR3.
What is the version you are using?
If this is applicable, apply the latest upgrade