One of the client referred about the error during the execution of Upgrade Advisor: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. Initial thoughts lead to checking the SQL Server timeout setting which has been left with default value...
Source: Knowledge Base Product: Microsoft SQL Server 2005 Standard Edition, SQL Server 2005 Enterprise X64 Edition & SQL Server 2005 Enterprise Edition Notification Contents: New and All Modifications FIX: Error message when you run a stored procedure that references tables after you upgrade a database...