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What SPN do I use and how does it get there?
This month has turned into another Kerberos Month for me. I had an email discussion regarding SPN’s for SQL Server and what we can do to get them created and in a usable state. I thought I would...
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It helps to read the “What’s New…” once in a while
In the course of my job, I use ADPlus (a command-line tool that ships with Debugging Tools for Windows) to capture hang dumps on a regular basis. For both low and high CPU scenarios, I generally need...
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Unable to load CLR assembly intermittently
Recently, I worked with a customer on an CLR assembly loading issue. Intermittently, they would receive the following error. Msg 10314, Level 16, State 11, Line 1An error occurred in the Microsoft .NET...
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How It Works: Bob Dorr's SQL Server I/O Presentation
I put a presentation together quite some time ago going over various SQL Server I/O behaviors and relating them to the SQL Server I/O whitepapers I authored. I keep getting requests to post the...
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How to troubleshoot database corruption errors and System Center…
What do these two subjects have in common? The SQL Server product team is currently developing an update to the SQL Server Management Pack specifically designed for System Center Operations Manager...
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How It Works: Soft NUMA, I/O Completion Thread, Lazy Writer Workers and...
There seems to be some semantic(s) confusion on the books online description of SOFT NUMA. The area of confusion is from the SQL Server 2008 Books Online section, shown below. Soft-NUMA SQL Server...
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The case of the additional indexes
I was assisting with a SQL Server performance issue the other day. The issue was transactional replication was unable to keep up while trying to replicate data from a transactional database to a...
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An important change for the Microsoft Lifecycle Support Policy….
Over the past few months I’ve filed some posts on our blog regarding our support lifecycle policies because I know sometimes this topic can get very confusing:...
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How It Works: Orphan DTC Transaction (Session/SPID = -2)
It looks like it would be a good post to help clarify that -2 does NOT mean ORPHAN. _____________________________________________________________________________________ CURRENT EXCHANGE...
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AWE Allocated Values Reported Incorrectly (Large or Negative Value)
I ran into an issue today that is documented but you have to know where to find it so I wanted to point it out. In the middle of a lengthy KB article # 907877 (http://support.microsoft.com/kb/907877)...
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Europe PASS, a volcano, Live Meeting, and SQL 2008 R2 BPA….
What do these have in common? Sounds like a question on Jeopardy. There is some bad and good news as part of this. Bad Adam Saxton and I were not able to travel to Europe this past week to speak at...
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Error 18056 can be unwanted noise in certain scenarios
I saw a lot of hits on the web when I searched for the Error message 18056 with State 29. I even saw two Microsoft Connect items for this issue filed for SQL Server 2008 instances:...
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Follow-up to Questions from Europe PASS 2010….
I thought i would post some answers to questions I received during my pre-conference seminar at Europe PASS 2010: Q: You said that trace flag 2528 disables parallelism for DBCC CHECKDB. Is there any...
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RS Content Types and SharePoint 2010
When creating a new document library within SharePoint you have a few options. You can just create a new Document Library, or you can go to More Options and choose Report Library. When you choose...
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Going dark next week…..
Our blog won’t have any posts next week due to an internal migration of the MSDN blog servers to a new system. You can track the progress of this migration at this site:...
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Don’t touch that schema!!!
You know how every product that has an underlying database has documentation that says not to modify the schema? Do you always pay attention to that warning? If your product is Reporting Services, I...
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Reporting Services, Scale Out and Clusters…
Every once in a while, I get asked the question about deploying Reporting Services on a Cluster. Usually it is tied to a scale out deployment, sometimes it is not. I just was asked the question again...
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How It Works: The SQLAgent Log File
I am still working to resolve the customers problem but during my investigation I briefly looked a the SQLAgent logging format and thought you all might like some of these details. From: Robert Dorr...
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SQL Server 2008 R2 New Non-Yield Ring Buffer Information
In 2002 the SQLOS team added specific checks for non-yielding scheduler issues. You may be familiar with the 178** series of errors like 17883 scheduler non-yield. Since 2002 the test matrix for...
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Don’t touch that schema!!!
You know how every product that has an underlying database has documentation that says not to modify the schema? Do you always pay attention to that warning? If your product is Reporting Services, I...
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