SQL Server Support in a Hardware Virtualization Environment

There is no doubt that virtualization is a hot and popular topic (the number of questions over email I get daily are a testament to that). Therefore, I think it is important for our customers to understand the support policies from Microsoft regarding SQL Server running in a hardware virtualization environment. We have just published…


RML Utilities: ReportViewer Bug Affects SQL Server Management Studio and Reporter Utility

Summary An index out of bounds error can occur while rendering a report in Local Report Viewer Mode with more than one dataset. Outer Exception: Object reference not set to an instance of an object, an error occurred during rendering of the report. Inner Exception: System.IndexOutOfRangeException: Index was outside the bounds of the array. This…


TCP Chimney Offload – Possible Performance and Concurrency Impacts to SQL Server Workloads

TCP Chimney is enabled by default if you apply Windows Server 2003 Sp2.  This is an operating system feature that provides capability to offload TCP/IP packet processing from the processor to the network adapters and some other balancing options.  (For a full description of this feature see http://support.microsoft.com/kb/912222.) TCP Chimney has been known to cause…