Enabling or disabling Symantec Endpoint Firewall is needed when backup operations or any other programs needed to open files are corrupted .
1. Stop the Just Symantec Endpoint Protection agent first.
(Right Click “Symantec Endpoint Protection” client in tray < click “disable”.
2. Edit the following registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Symantec\Symantec Endpoint Protection\SMC\smc_engine_status
smc_engine_status value set to “0” – Network Threat Protection is Disabled.
smc_engine_status value set to “1” – Network Threat Protection is enabled.
3. Reset the computer.