XADM: Event ID 1025 (EcDoDeliverMessage) During Information Store Storage Warning

During the information store storage warning cycle, you may see the following warning logged in the Event Viewer: The user may also receive a storage limit warning message.

A user or users have exceeded their mailbox storage limit and the storage warning message is unable to be delivered to the user by the system attendant.

In situations where both a storage limit warning message is delivered to the user and a 1025 event is logged, the user may have a rule set in his or her mailbox, which is applied on the storage limit warning message. Because of the storage quota limit, the rule cannot be applied, and event 1025 is logged.

Have those users who have exceeded their mailbox storage limit clean out or archive messages from their mailboxes. Or, raise or remove their mailbox storage limit in the Microsoft Exchange Server Administrator program.

Use the Error.exe utility on the Exchange Server CD in the Support\Utils\Platform folder to determine what error 0x4d9 means. To find out which users have exceeded their mailbox storage limits:

1. In the Exchange Server Administrator program, under Private Information Store, set Diagnostic Logging to Maximum on Storage Limits.
2. In the application log, look for these Event IDs:
   Event ID: 1077
   Source: MSExchangeIS Private
   Type: Warning
   Category: Storage Limits
   Description: The following users have exceeded the Issue Warning Storage Limit:

Depending on what storage limits you have set, you may also see these event IDs: