FIX: Transactions that are being committed on the principal server may not be copied to the mirror server when a database mirroring failover occurs in SQL Server 2005
The following pages were recently modified.
Source: Knowledge Base
Product: Microsoft SQL Server 2005 Enterprise X64 Edition, SQL Server 2005 Enterprise Edition & SQL Server 2005 Standard Edition
Notification Contents: New and All Modifications
FIX: Transactions that are being committed on the principal server may not be copied to the mirror server when a database mirroring failover occurs in SQL Server 2005
http://support.microsoft.com/kb/940961/en-US