Network filter limit reached error (error code 0x8004a029)

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    Vadim Smirnov

      On some systems Windows Packet Filter installation may fail with error code 0x8004a029 (Filters currently installed on the system have reached the limit). An example, Windows 7 has a default limit set to 8. However, it is possible to manually increase this limit to 14:

      To resolve this problem, you will need to run regedit.exe and adjust the value of MaxNumFilters under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Network registry key:

      1. Click Start , click Run , type regedit , and then click OK.
      2. Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Network
      3. In the right pane, right-click MaxNumFilters, and then click Modify
        Change the value to “14”, and click to select the Decimal option, and then click OK.
      4. Close the RegEdit

      If this value is already set to 14 you may need to uninstall some of the other network filter drivers.

      Discussion on Microsoft TechNet

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