Event ID - 4183

Event Id4183
SourceMSExchange IMC
DescriptionAuthentication attempt (AUTH LOGIN) from hostname as ntdomain\userid failed: LogonUser() call failed with error: Logon failure: unknown user name or bad password.
Event InformationAccording to NetIQ :

RESOLUTION:
1. Make sure there are no other Outlook or Outlook Express profiles created on your AppAnalyzer Server other than the mail profile for the AppAnalyzer service account. See Microsoft KB article XFOR: POP3 or IMAP4 Client Cannot Send SMTP Mail
Reference LinksEvent ID: 4183 Of Source ID: MSExchange IMC

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