If you have a network adapter, but your network is not functioning or the cable is unplugged, you will receive Systent Event log entries similar to:

<b>        Event Type:
        Error Event Source: W3SVC Event Category:
        None Event ID: 105
        Date: 1/21/2000
        Time: 2:53:08 PM
        User: N/A
        Computer: Computername
        Description: The server was unable to register the administration tool discovery information. The
        administration tool may not be able to see this server. The data is the error code.
        Data: 000004c6

        Event Type: Error
        Event Source: SMTPSVC
        Event Category: None
        Event ID: 105
        Date: 1/21/2000
        Time: 2:53:08 PM
        User: N/A
        Computer: Computername Description: The server was unable to register the administration tool discovery
        information. The administration tool may not be able to see this server. The data is the error code.
        Data: 000004c6

        Event Type: Error
        Event Source: NNTPSVC
        Event Category: None
        Event ID: 105
        Date: 1/21/2000
        Time: 2:53:08 PM
        User: N/A
        Computer: Computername
        Description: The server was unable to register the administration tool discovery information. The
        administration tool may not be able to see this server. The data is the error code.
        Data: 000004c6 </b>
Plug in your cable, or fix the network, to stop the events from logging.