> > Do you have Mailbox Manager running? See these:
> > 237481 XADM: Event 1023 Logged Using Mailbox Manager Even Though the
> > http://support.microsoft.com/?id=237481
> > 188594 XADM: Event ID 1023 Reports Logon Failure Audit
> > http://support.microsoft.com/?id=188594
> > Also, it looks like there are two different Orgs referenced in the error
> > message. If that's the case, you may want to recreate the profile for
> > PE_Domain\Service.
> > 158028 XADM: Changing the Exchange Organization Name
> > http://support.microsoft.com/?id=158028
> > Lastly, If there are any event scripts running against that deleted
> > you will see those events.
> > 259578 XADM: Event ID 11 Or 1023 Appear When Starting Exchange Event
> > http://support.microsoft.com/?id=259578
> > Hope that helps!
> > --
> > Steve Antonio
> > Microsoft Enterprise Messaging Support
> > Please do not send e-mail directly to this alias.
> > This alias is for newsgroup purposes only.
> > This posting is provided "AS IS" with no warranties, and confers no
> > Use of any included script samples are subject to the terms specified at
> > http://www.microsoft.com/info/cpyright.htm"
> > ---
> > > I'm receiving the following error in my Event log....
> > > ======
> > > Event Type: Failure Audit
> > > Event Source: MSExchangeIS Private
> > > Event Category: Logons
> > > Event ID: 1023
> > > Date: 9/23/2003
> > > Time: 10:12:12 AM
> > > User: N/A
> > > Computer: MAIL
> > > Description:
> > > PE_DOMAIN\service was validated as /o=Perteet
> > > Engineering/ou=PE_DOMAIN/cn=Recipients/CN=NAIPE_DOMAINMAIL
> > > but was unable to log on
> > > to /O=Company_Name/OU=PE_DOMAIN/CN=RECIPIENTS/CN=CAROL C.
> > > ======
> > > I get this same error consecutively for several minutes
> > > to where the event log will fill up with hundreds of
> > > these messages. The strange thing is that the mailbox
> > > that it refers to has been deleted for years. This has
> > > been going on for a long time but my predicessor didn't
> > > find a need to figure out why. Does anyone have any
> > > suggestions.
> > > I'm running Exchange 5.5 (Build 2653.23; Service Pack 4)
> > > on a Windows 2000 sp3, in a NT4 Domain.