FIX: Error message when you run a query that is associated with a parallel execution plan in SQL Server 2005: "SQL Server Assertion: File: <lckmgr.cpp>, line=10850 Failed Assertion = 'GetLocalLockPartition () == xactLockInfo->GetLocalLockPart
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 query that is associated with a parallel execution plan in SQL Server 2005: "SQL Server Assertion: File: <lckmgr.cpp>, line=10850 Failed Assertion = 'GetLocalLockPartition () == xactLockInfo->GetLocalLockPartition ()'"
http://support.microsoft.com/kb/940935/en-US