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[FIX] Getting an error message when turning Plesk Firewall on.

Article ID: 964 
Last Review: Jul,11 2007
APPLIES TO:
  • Plesk 7.5.x for Windows

SYMPTOMS

When attemting to configure firewall Plesk, Server, IP Addresses, Firewall, the following message is displayed:

"winfwmng failed: Object reference not set to an instance of an object.".

CAUSE

The problem is caused by IEEE1394 network adapter. At the moment, Plesk Firewall does not support adapters of this  type.

RESOLUTION

To exclude the described error you can perform the following:

1. Disable IEEE1394 network adapter.

2. Remove TCP/IP protocol from the IEEE1394 adapter.

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