Event ID: 4649

A replay attack was detected.

Subject:
    Security ID:        %1
    Account Name:       %2
    Account Domain:     %3
    Logon ID:           %4

Credentials Which Were Replayed:
    Account Name:       %5
    Account Domain:     %6

Process Information:
    Process ID:         %12
    Process Name:       %13

Network Information:
    Workstation Name:   %10

Detailed Authentication Information:
    Request Type:       %7
    Logon Process:      %8
    Authentication Package: %9
    Transited Services: %11

This event indicates that a Kerberos replay attack was detected- a request was received twice with identical information. This condition could be caused by network misconfiguration.