To troubleshoot the error below, see this Microsoft KB article. ======================================================== Event Type: Warning Event Source: MSExchangeIS Event Category: General Event ID: 9554 Date: 22/03/2009 Time: 1:36:04 PM User: N/A Computer: - Description: Unable to update Mailbox SD in the DS. Mailbox Guid: f30ae147-244a-4ae0-ae26-cca7280a40fb. Error Code 0x8004010f
For more information, click http://www.microsoft.com/contentredirect.asp. ========================================================
The default storage limit setting in the Exchange System Manager for issuing warnings is 2GB. To increase this limit you need to use a tool like ADSIedit.