Exchange Mailbox Backup Quota does not send quota notifications

Article ID: EXOP0004 Even though mailboxes are close to or exceed their backup quotas, warnings and alerts are not sent to administrators and end users.

Symptom

When notifications are configured for Exchange Mailbox Backup Quota, by default, warnings are sent to administrators and end users when mailboxes reach 90% of their established quota. Alerts are sent when mailboxes exceed their established quota.

In certain circumstances, warnings and alerts are not sent even though the mailboxes are close to or exceed their backup quotas.

Cause

Cause 1

The EnableQuotaManagement additional setting has not been set correctly.

Cause 2

The service account mailbox is full.

Cause 3

The service account on the Exchange server is not configured correctly.

Resolution

Resolution 1

Resolution 2

  • Delete messages from the service account mailbox.

Resolution 3

  1. Make sure that the service account permissions on the Exchange server are set correctly.
  2. To confirm that the permissions are set correctly, send messages to recipients manually.