Event Type: Warning
Event Source: MSExchangeAL
Event Category: Service Control
Event ID: 8151
Description: Cannot read service configuration. Retry after 1 minute.
When you try to resolve the mailbox name of a new mailbox with Microsoft Outlook, the name or the alias is not resolved, and you receive the following error message:
The name could not be resolved. The name could not be matched to a name in the address list.

İlgili KB: http://support.microsoft.com/kb/322313/en-us