<div>
why dont you trying removing the credentials used for mail from keychain and then try accessing mail again to see if it works or not. Given below is the document from microsoft on troubleshooting the account lockout issues. <br />
<br />
<a href="http://technet.microsoft.com/en-us/library/cc773155(WS.10).aspx" rel="ugc nofollow">http://technet.microsoft.com/en-us/library/cc773155(WS.10).aspx</a><br />
<br />
not sure how much this would be of help <br />
<br />
keep posting<br />
<br />
and gud luck
</div>


why dont you trying removing the credentials used for mail from keychain and then try accessing mail again to see if it works or not. Given below is the document from microsoft on troubleshooting the account lockout issues.

http://technet.microsoft.com/en-us/library/cc773155(WS.10).aspx [http://technet.microsoft.com/en-us/library/cc773155(WS.10).aspx]

not sure how much this would be of help

keep posting

and gud luck

<div>
this is due to that you are authenticating from a mac user which is considered as unauthenticated domain<br />
for more info take a look here: <br />
<a href="http://support.microsoft.com/kb/276541/en-us" rel="ugc nofollow">http://support.microsoft.com/kb/276541/en-us</a>
</div>


this is due to that you are authenticating from a mac user which is considered as unauthenticated domain
for more info take a look here:
http://support.microsoft.com/kb/276541/en-us [http://support.microsoft.com/kb/276541/en-us]

<div>
I foreget one thing when i was reconfigured my Exchange Certificate then that problem was created.
</div>


I foreget one thing when i was reconfigured my Exchange Certificate then that problem was created.

<div>
are you using Microsoft Entourage 2004?
</div>


<div>
Yes i an using Microsoft Entourage.
</div>


<div>
this may be helpful:<br />
<a href="http://support.microsoft.com/kb/887413/en-us" rel="ugc nofollow">http://support.microsoft.com/kb/887413/en-us</a><br />
good luck!
</div>


this may be helpful:
http://support.microsoft.com/kb/887413/en-us [http://support.microsoft.com/kb/887413/en-us]
good luck!

<div>
<div class="content wysiwyg-content">
We have exchange 2007 server, My one of mac user having user lock problem, whenever he work on his mailbox his profile automatically goes to lock in active directory. 
</div>
</div>


We have exchange 2007 server, My one of mac user having user lock problem, whenever he work on his mailbox his profile automatically goes to lock in active directory. 

Automatic User Lock problem in exchange 2007 environment

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.

Active Directory

Mac OS X is the desktop operating system from Apple Inc., found on Macintosh computers. OS X consists of a Mach/BSD-based kernel, operating system interfaces primarily based on FreeBSD and additional frameworks (written in C, C++ and Objective-C providing user interface and application-level services.