Reason: An error occurred during logon
User Name: TheUser
Logon Type: 11
Logon Process: User32
Authentication Package: Negotiate
Workstation Name: WORKSTATION01
Status code: 0xC000005E
Substatus code: 0x0
The status code 0xC000005E implies that there are no logon servers available, see additional links for more details.
Microsoft says that you can safely ignore this event.
If the event has the following, it is usually due to a time difference on the machine vs the domain controller(s).
Status code: 0xC000006D
Substatus code: 0xC0000133