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Entourage 2008 and exchange 2007 creating alerts on event viewer

I keep getting lot of alerts on MS small business server 2008 this the error  

Log Name: Security
Source: Microsoft-Windows-Security-Auditing
Date: 16/11/2010 08:50:54
Event ID: 4625
Task Category: Logon
Level: Information
Keywords: Audit Failure
User: N/A
Computer: SVR2.somedomain.local
An account failed to log on.

Security ID: NULL SID
Account Name: -
Account Domain: -
Logon ID: 0x0

Logon Type: 3

Account For Which Logon Failed:
Security ID: NULL SID
Account Name:
Account Domain:

Failure Information:
Failure Reason: An Error occured during Logon.
Status: 0x80090308
Sub Status: 0x0

Process Information:
Caller Process ID: 0x0
Caller Process Name: -

Network Information:
Workstation Name:
Source Network Address:
Source Port: 52136

Detailed Authentication Information:
Logon Process:
Authentication Package: NTLM
Transited Services: -
Package Name (NTLM only): -
Key Length: 0

This event is generated when a logon request fails. It is generated on the computer where access was attempted.

The Subject fields indicate the account on the local system which requested the logon. This is most commonly a service such as the Server service, or a local process such as Winlogon.exe or Services.exe.

The Logon Type field indicates the kind of logon that was requested. The most common types are 2 (interactive) and 3 (network).

The Process Information fields indicate which account and process on the system requested the logon.

The Network Information fields indicate where a remote logon request originated. Workstation name is not always available and may be left blank in some cases.

The authentication information fields provide detailed information about this specific logon request.
- Transited services indicate which intermediate services have participated in this logon request.
- Package name indicates which sub-protocol was used among the NTLM protocols.
- Key length indicates the length of the generated session key. This will be 0 if no session key was requested.
Event Xml:

only the macs are creating this alerts. all the pcs are fine.  emails are working fine on macs . apart from they can't receive any email with + sign on subject line (I have another question open for that)

Please any help or put me in right direction, Google didn't help
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1 Solution
Schnell SolutionsSystems Infrastructure EngineerCommented:
Did you install the Web Service Edition update for Entourage 2008. This doesn't require additional license

This update was built in order to handle the connection of Engourage 2008 with Exchange 2007 and Exchange 2010. I had lot of problems with entourage until I updated to the Web Service Eddition and the last service pack for Office 2008 for Mac

pccorrectAuthor Commented:
when I try to install I'm getting this

You cannot install Entourage 2008, Web Services Edition on this volume. A version of the software required to install this update was not found on this volume.

To learn how to fix this issue, see "I can't install Office 2008 for Mac updates" at
Schnell SolutionsSystems Infrastructure EngineerCommented:

Ok, it could be that you have the RTM version of Office 2008 for MAC, the Web Service Eddition needs an updated office before been installed. Office for mac already has the SP2 and there is even an update after SP2

Try to install the SP for Office for MAC

Note: (Just in case)

Some times It happens with the updates that they ask for pre-requirements. And it is for many reasons, and it is documented in the knowledge bases websites. In few words here some reasons:
- there was a component of office that was updated and the other one not, (For example, World in a version and Entourage in another one, but the update needs that all of them be at the same level)
- files in another containners or modified original files,
- etc, etc, etc.

There are many ways to resolve this problem with dependencies but they are usually with rude steps, but I noticed that it was easier to install a lower SP and them the last one, for example:

If the system doesn't allow me to install the last update of office 2008
Microsoft Office 2008 for Mac Service Pack 2 (12.2.0) w/ the 12.2.7 update

Them I just installed the previous SP (Microsoft Office 2008 for Mac Service Pack 1 -12.1.0)
...and them I made the install of the last SP

Try this and let us know

pccorrectAuthor Commented:
I have the latest ver 12.2.7, I always keep updated all the time, any other idea guys.
Schnell SolutionsSystems Infrastructure EngineerCommented:
but, did you already install the Web Service Edition?
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