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Troubleshooting Mail Flow Issues due to Mailbox Logon Failure

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Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.

 

This topic provides information about how to troubleshoot Microsoft Exchange Server 2007 mail flow issues due to mailbox logon failure. The following symptoms are sometimes an indication of this failure:

  • Inbound mail flow is stuck in the queue with the following error message:

    430 4.2.0 STOREDRV; mailbox logon failure

  • When you use Microsoft Outlook to send e-mail messages to local recipients, the e-mail messages are sent and appear in the Sent Items folder, but e-mail recipients never receive your e-mail messages. You also cannot track these messages by using the Message Tracking tool.

  • On an Exchange 2007 Mailbox server, you may find Event ID 1009 in the Application log:

    The Microsoft Exchange Mail Submission service is currently unable to contact any Hub Transport servers in the local Active Directory site. The servers may be too busy to accept new connections at this time.

This issue occurs when the Microsoft Exchange Transport service is configured to log on using another account, instead of the Network Service account. For example, the Microsoft Exchange Transport service is configured to log on using the Administrator account.

Resolution

To resolve the problem, change the logon account back to the Network Service account.

Before You Begin

To perform this procedure, the account you use must be delegated the following:

  • Membership in the local Administrators group

For more information about permissions, delegating roles, and the rights that are required to administer Exchange 2007, see Permission Considerations.

Procedure

To configure the logon account back to the Network Service account

  1. On the Exchange 2007 Hub Transport server, click Start, click Run, type Services.msc, and then click OK.

  2. In the list of services, right-click Microsoft Exchange Transport, and then click Properties.

  3. Click the Log On tab, and then click This account.

  4. Click Browse, type Network Service, click Check Names, and then click OK.

  5. Remove the password from the Password and Confirm Password edit boxes.

    Note

    Microsoft Windows automatically generates a password for the Network Service account. Therefore, you do not have to specify a password for this account.

  6. Click OK. Then restart the Microsoft Exchange Transport service.