Network Filter Drivers Issues in Windows 7

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Network Filter Drivers Issues in Windows 7

Case 1: Receive C0x8004a029 when installing Cisco VPN.

Case 2: You get a "Filters currently installed on the system have reached the limit" error when trying to install the bridged adapter filter

Case 3: VPC7 install failure: netcfg reaches filter limit.

case 4: During install, I receive "Error 0x8004a029: Couldn't install the network component".¶
Error 0x8004a029 means that the maximum number of filter devices for the system has been reached. Other similar software ( VPN clients, 3rd party firewalls, etc ) install filters. You can either attempt to remove other software that has installed a filter, or attempt to increase the following registry entry value to allow more filters to be installed.

Resolution: In most cases, this is network MaxNumFilters issue. By default, the MaxNumFilters value is 8. You can change it up to 14 using regedit in this location:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Network\MaxNumFilters values.

Note: If you don't see MaxNumFilters name, you can create it. the Type is REG_DWORD as shown below.

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