User enumeration error

[paloalto.netfos]

2011 07 13 06:09:26, PAN_AGENT_GET_NEW_IP: Number of IPs received from device (192.168.255.220): 1

2011 07 13 06:09:26,  QueryIP 192.168.6.2 (_unknown_) done

2011 07 13 06:09:26, Sending 1 IP(s) to device (192.168.255.220)

2011 07 13 06:09:26,  [1] 192.168.6.2 : _unknown_ to device (192.168.255.220)

2011 07 13 06:09:46, User enumeration error for 192.168.6.2 - 存取被拒。

2011 07 13 06:24:31, PAN_AGENT_GET_NEW_IP: Number of IPs received from device (192.168.255.220): 1

2011 07 13 06:24:31,  QueryIP 192.168.6.2 (_unknown_) done

2011 07 13 06:24:31, Sending 1 IP(s) to device (192.168.255.220)

2011 07 13 06:24:31,  [1] 192.168.6.2 : _unknown_ to device (192.168.255.220)

2011 07 13 06:39:36, PAN_AGENT_GET_NEW_IP: Number of IPs received from device (192.168.255.220): 1

2011 07 13 06:39:36,  QueryIP 192.168.6.2 (_unknown_) done

2011 07 13 06:39:36, Sending 1 IP(s) to device (192.168.255.220)

2011 07 13 06:39:36,  [1] 192.168.6.2 : _unknown_ to device (192.168.255.220)

2011 07 13 06:39:54, User enumeration error for 192.168.6.2 - 存取被拒。

2011 07 13 06:41:10, AUTH_TICKET_GRANTED (192.168.0.2): cmedia.com.tw\schiu 192.168.6.2 Wed Jul 13 06:41:10 2011

2011 07 13 06:41:11, User enumeration error for 192.168.6.2 - 存取被拒。

2011 07 13 06:41:12, Add 192.168.6.2 to newEntries

2011 07 13 06:41:12, PAN_AGENT_GET_NEW_INFO from device (192.168.255.220): Number of IPs: 1

2011 07 13 06:41:12,  QueryIP 192.168.6.2 (cmedia\schiu) done

2011 07 13 06:41:12, Sending 1 IP(s) to device (192.168.255.220)

2011 07 13 06:41:12,  [1] 192.168.6.2 : cmedia\schiu to device (192.168.255.220)

2011 07 13 06:41:12, User enumeration error for 192.168.6.2 - 存取被拒。

What conditions will produce this message "User enumeration error" ?

Anybody knows ?

[ukhapre]

Please check the permissions on Windows to ensure that the PAN Agent service is running with proper permissions.

The logged in account needs to have permissions to read windows security log.