This event generally means that the VPN Concentrator and the remote peer are out of sync. The remote peer is continuing to negotiate an Internet Key Exchange (IKE) Security Association (SA) that has been deleted by the VPN Concentrator. The condition should eventually correct itself as the negotiation times out. This event can sometimes indicate a benign condition, which is caused by a race condition. An example of a race condition is when both peers delete an SA simultaneously and send deletes. The delete messages get to the peer, but the peer has already deleted the SA on its own. The peer expects a new phase 1 message to include an SA payload, which the delete message does not include
