Not running SEP 11.
opened SSC
Go to server, alltasks, liveupdate, configure
* settings is set to default symantec liveupdate server
then go to server, SAV, virus definition manager
* unchecked do not allow client to manuall launch liveupdate.
then go to server, SAV, client autoprotect options
* reset all
In 10 minutes, the settings are reversed to the original.