can someone help me please?
Log Name: Security
Source: Microsoft-Windows-Security-Auditing
Date: 28/07/2011 19:43:01
Event ID: 4653
Task Category: IPsec Main Mode
Level: Information
Keywords: Audit Failure
User: N/A
Computer: Lisa-PC
Description:
An IPsec Main Mode negotiation failed.
Local Endpoint:
Local Principal Name:
-
Network Address:
Keying Module Port:
500
Remote Endpoint:
Principal Name:
-
Network Address:
Keying Module Port:
500
Additional Information:
Keying Module Name:
IKE
Authentication Method:
Unknown authentication
Role:
Initiator
Impersonation State:
Not enabled
Main Mode Filter ID:
68526
Failure Information:
Failure Point:
Local computer
Failure Reason:
Negotiation timed out
State:
Sent first (SA) payload
Initiator Cookie:
2cdb96968136553c
Responder Cookie:
0000000000000000
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-Security-Auditing" Guid="{54849625-5478-4994-a5ba-3e3b0328c30d}" />
<EventID>4653</EventID>
<Version>0</Version>
<Level>0</Level>
<Task>12547</Task>
<Opcode>0</Opcode>
<Keywords>0x8010000000000000</Keywords>
<TimeCreated SystemTime="2011-07-28T18:43:01.112Z" />
<EventRecordID>15949</EventRecordID>
<Correlation />
<Execution ProcessID="684" ThreadID="2708" />
<Channel>Security</Channel>
<Computer>Lisa-PC</Computer>
<Security />
</System>
<EventData>
<Data Name="LocalMMPrincipalName">-</Data>
<Data Name="RemoteMMPrincipalName">-</Data>
<Data Name="LocalAddress">
</Data>
<Data Name="LocalKeyModPort">500</Data>
<Data Name="RemoteAddress">
</Data>
<Data Name="RemoteKeyModPort">500</Data>
<Data Name="KeyModName">%%8222</Data>
<Data Name="FailurePoint">%%8199</Data>
<Data Name="FailureReason">Negotiation timed out
</Data>
<Data Name="MMAuthMethod">%%8194</Data>
<Data Name="State">%%8202</Data>
<Data Name="Role">%%8205</Data>
<Data Name="MMImpersonationState">%%8217</Data>
<Data Name="MMFilterID">68526</Data>
<Data Name="InitiatorCookie">2cdb96968136553c</Data>
<Data Name="ResponderCookie">0000000000000000</Data>
</EventData>
</Event>