Failed Logon Event 4625 Expand / Collapse
Posted 11/17/2017 10:41:34 AM
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Last Login: 11/17/2017 10:20:10 AM
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I am running a small network on a Win 2012 Server. It has Exchange on it. Several times a day about 3-4 users continuously get bounced out of outlook because their domain account gets locked out. Same 3-4 people every time. They also loose ability to connect to any other network resources. (ie Shares, apps on other machines, printers). Can sometime id the machine with the 4625 error sometimes it is blank. Looking at the 4740 messages only reveal successful failures. I have posted the error below. Everything I find tells me how to find errors related to the event however I can't seem to find anything to point me towards the cause. Any assistance would be appreciated.

- System

- Provider

[ Name] Microsoft-Windows-Security-Auditing
[ Guid] {54849625-5478-4994-A5BA-3E3B0328C30D}

EventID 4625

Version 0

Level 0

Task 12546

Opcode 0

Keywords 0x8010000000000000

- TimeCreated

[ SystemTime] 2017-11-17T15:00:50.451211300Z

EventRecordID 252092238


- Execution

[ ProcessID] 668
[ ThreadID] 1724

Channel Security

Computer Sledgehammer.ljganwksv1.local


- EventData

SubjectUserSid S-1-0-0
SubjectUserName -
SubjectDomainName -
SubjectLogonId 0x0
TargetUserSid S-1-0-0
TargetUserName Dave
TargetDomainName BLACKSTAR
Status 0xc0000234
FailureReason %%2307
SubStatus 0x0
LogonType 3
LogonProcessName NtLmSsp
AuthenticationPackageName NTLM
WorkstationName BLACKSTAR
TransmittedServices -
LmPackageName -
KeyLength 0
ProcessId 0x0
ProcessName -
IpPort 63480

Post #7426
Posted 12/7/2017 4:08:54 PM
Supreme Being

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Last Login: 11/14/2013 3:17:47 PM
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Could these users have another device that is trying to connect to Exchange with an outdated password?
Post #7429
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