The user accounts database (NET.ACC) is missing. The local security system is restoring the backup database made on %1 at %2. Any updates made to the database after this time are lost.

Details
Product: Windows Operating System
Event ID: 3028
Source: Alerter
Version: 5.0
Symbolic Name: ALERT_LocalSecFail2
Message: The user accounts database (NET.ACC) is missing. The local security system is restoring the backup database made on %1 at %2. Any updates made to the database after this time are lost.
   
Explanation

This message should occur only on a workstation. Any action to correct the problem should be performed on that computer. The user accounts database, NET.ACC, is missing, damaged, or in a format that is incompatible with this version of LAN Manager.

   
User Action

Copy the backup file, NETACC.BKP, to NET.ACC. If NETACC.BKP does not exist, copy NET.ACC or NETACC.BKP from a backup floppy or from the LAN Manager distribution disks. If you have upgraded your LAN Manager software, you might need to convert the user accounts database to a new format. See the instructions that came with your upgrade.

Related:

A non-delivery report with a status code of %1 was generated for recipient %2 (Message-ID %3). Cause: The e-mail account does not exist at the organization where the message was sent. Either the recipient address is incorrectly formatted or the categorizer was not able to properly resolve the recipient.Solution: Checking the recipient address and the recipient policy and re-sending the message are among the first steps in resolving this error.

Details
Product: Exchange
Event ID: 3028
Source: MSExchangeTransport
Version: 6.5.7596.0
Message: A non-delivery report with a status code of %1 was generated for recipient %2 (Message-ID %3). Cause: The e-mail account does not exist at the organization where the message was sent. Either the recipient address is incorrectly formatted or the categorizer was not able to properly resolve the recipient.Solution: Checking the recipient address and the recipient policy and re-sending the message are among the first steps in resolving this error.
   
Explanation

This Informational event is logged when Microsoft® Exchange Server cannot deliver a message to the e-mail account specified in the event description.

   
User Action

To resolve this event, do one or more of the following:

  • Make sure that the mailbox does exist and the address is correct.

  • Make sure that your recipient policies are correctly configured.

  • Search the Microsoft Knowledge Base for the specific NDR (Non-Delivery Report) status code specified in the event description.

  • Examine the Application log for related events.

For more information about troubleshooting message failures, see Microsoft Knowledge Base article 822451, Troubleshoot Message Failures in Exchange Server 2003.

Related: