Microsoft KB Archive/817310

= Cannot Log On to a Heavily Loaded Exchange Server 2003 Computer by Using Outlook Mobile Access =

Article ID: 817310

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Enterprise Edition
 * Microsoft Exchange Server 2003 Standard Edition, when used with:
 * Microsoft Windows 2000 Standard Edition

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SYMPTOMS
If you are using a Microsoft Outlook Mobile Access client to log on to Exchange Server 2003, you may receive the following error message after the authentication procedure completes:

If you have recently changed your password, the system may not yet have completed the change. Please wait a short time and try again. If this is not the case, your Exchange server mailbox has not been created. Please access your account via Microsoft Outlook or Microsoft Outlook Web Access to create your user mailbox. Please contact your system administrator for additional assistance.

However, the mailboxes are not new and the passwords have not been changed.

Additionally, you may experience the following symptoms:  Clients can no longer use Microsoft Outlook Web Access (OWA) to log on to the Exchange Server 2003 computer.  If you increase the security logging on the Exchange Server 2003 computer, the following event ID error message is logged in the Security log of Windows Event Viewer: Time:

Source: Security

Date:

Category: Logon/Logoff

Type: Error

Event ID: 537

User: NT AUTHORITY\SYSTEM

Computer:

Description: Logon Failure: Reason: An unexpected error occurred during logon : Logon Type: 3 Logon Process: Kerberos Authentication Package: Kerberos Workstation Name: - 



CAUSE
This problem may occur if both of the following are true:  Exchange Server 2003 is installed on a computer that is running Windows 2000 Server Service Pack 3.

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 The Exchange Server 2003 computer is heavily loaded.

You may experience the problem during the stress test of Exchange Server 2003.



WORKAROUND
To work around this problem, restart the Exchange Server 2003 computer.

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STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Additional query words: XCCC OMA

Keywords: kbbug kbpending KB817310

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