After you install Symantec Endpoint Protection (SEP) on Windows 7 Service Pack 1 (SP1), the client GUI shows the Firewall is malfunctioning.
SEP for Windows (any version)
2019-08-30 16:11:04 ERROR: Call to installNetComponent() failed: 0x8004a029
2019-08-30 16:11:04 Release write lock for 'Symantec Firewall'
2019-08-30 16:11:04 Start to query teefer service status.
2019-08-30 16:11:04 OpenService Teefer2 failed. GetLastError(): 1060
2019-08-30 16:11:04 Teefer install failed, trying once more in 5 seconds
2019-08-30 16:11:09 Found 'oem132.inf'
2019-08-30 16:11:09 Uninstalling 'oem132.inf'
2019-08-30 16:11:10 Find residual registry key SYSTEM\CurrentControlSet\Services\teefer2, delete it succeeded.
2019-08-30 16:11:10 ERROR: No instance guid found.
2019-08-30 16:11:10 Check the service database lock status.
2019-08-30 16:11:10 The service database is unlocked.
2019-08-30 16:11:10 Acquired write lock for 'Symantec Firewall'
2019-08-30 16:11:11 ERROR: Call to installNetComponent() failed: 0x8004a029
2019-08-30 16:11:11 Release write lock for 'Symantec Firewall'
2019-08-30 16:11:11 Start to query teefer service status.
2019-08-30 16:11:11 OpenService Teefer2 failed. GetLastError(): 1060
2019-08-30 16:11:11 InstallFirewall failed second attempt: 0x8004a029
Windows 7 features the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Network\MaxNumFilters registry key, which allows to limit the number of concurrent network filter drivers. By default, this is set to 8, but it can be changed at will. The attempted installation of any more filter drivers over the configured maximum will lead to Windows' network configuration interface (INetCfg) failing the operation.
Increase MaxNumFilters to a number higher than 8 or delete the key, which will enable a maximum of 14 network filter drivers to be loaded concurrently.
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