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AlwaysON - HADRON Learning Series: - How does AlwaysON Process a Synchronous...
The behavior of a synchronous commit in AlwaysON is to commit the transaction on the local replica as well as the secondary replica before the transaction is considered complete. If you have used...
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System Center Advisor: What is the email all about?…
The last time I left you with my adventures with System Center Advisor I was at the SeaTac airport checking out my alert dashboard before I jumped on to my plane back to Texas. And now that I’m back in...
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Why am I getting prompted for Credentials?
I just wrapped up a case for an issue I see every once and a while. The scenario is the following: Browse to site Get Prompted for credentials and enter username and password Web site will come up...
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RS Report Performance Relief in CU7
Cumulative Update 7 for SQL 2008 R2 was just released. Within that CU, there are two fixes for Reporting Services that people should be aware of that related to report performance. Large HTML This...
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System Center Advisor: Finishing off my first list of advice….
When I last told you my story of installing System Center Advisor, I had seen some new alerts for a database I had created on this server called mavstothefinals (hey Lakers and Spurs lose in the first...
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Conversion issues moving from VS 2005 to VS 2008
I was asked to look at a case yesterday where the customer was hitting the following error after converting a VS 2005 Project to VS 2008. Error 3 Custom tool error: Failed to generate code. Failed to...
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MS11-028 may cause issues with SQL, Exchange and PowerShell
A .NET Security Update (MS11-028) may end up causing issues with applications that make use of the .NET Framework, mostly resulting in applications being unable to launch, or loss of functionality...
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CSS SQL Azure Diagnostics tool released
I am happy to announce that CSS SQL Azure Diagnostics (CSAD) has been released. Since you cannot use PSSDiag/SQLDiag against SQL Azure, I decided to develop this tool to shorten the data collection...
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AlwaysON - HADRON Leanring Series: Maximum Failovers Within Specified Period
I can't take the credit for all this content as much of the investigation was done by Curt Mathews (SQL Server Escalation Engineer). We are finding that folks want to test the failover abilities of...
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Why does this query consumes so much CPU?
Recently I worked with a customer who reported a slow running query. Let me simplify this to illustrate the problem. There are two tables t1 (pk int identity primary key, c1 int, c2 int, c3 int, c4...
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NOT (LinkedServertoSQLAzure) where Provider=’MSDASQL’ and DSN=’SQL Server...
I recently had two different people suggest the same (unfortunately unsupported) solution to the fact that there is no supported way of doing a linked server to SQL Azure directly from inside of SQL...
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Secondary Access to File Stream(s) File, In Open Transaction, May Hang
This post is directly from an issue I have been working on. The behavior is very difficult to simulate because of the flags and timings involved. In this post I will attempt to describe the scenario...
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Why the Query Designer Table Listing could be empty
I just worked a case that took a little bit to figure out and involved some pretty deep debugging, but I figured I would get something out to explain the behavior to hopefully prevent someone else from...
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New extended event to track writes to the snapshot sparse file
You might have seen our earlier blogs around different snapshot related errors and the techniques available to address them. Among all those, one piece that was missing is the ability to track the...
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SharePoint Adventures : ADFS Setup – Part 1
I've had a few cases that involved customers using ADFS, SharePoint and Reporting Services. When going through this, one of the big struggles was just getting ADFS up and running with SharePoint 2010...
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SharePoint Adventures : ADFS Setup – Part 2
In Part 1, we looked at getting ADFS actually installed, for Part 2, we will see what we need to do to get it working with SharePoint 2010. Being that I focus on Reporting Services, the end goal here...
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Slow performance and out of memory issues caused by large batch
Recently, I worked with a customer who reported out of memory errors from his SQL Server 2008 R2 with 32GB of RAM. One of the errors is 701 error (Error: 701, Severity: 17, State: 123. There is...
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Pssdiag/Sqldiag Configuration Manager released to codeplex
A lot of you are probably familiar with pssdiag tool released for SQL Server 7.0 and 2000 and sqldiag.exe utility shipped with SQL Server 2005, 2008 and 2008 R2. These are data collection diagnostics...
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Dipping My Toes Into SQL Azure
My high school English teacher once told me that I should always have a spell checker on my computer. This might help explain why I never make it past the first couple of chapters in any technical...
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JDBC 1.x: “She sure was a good ship”…
OK, OK – the title is a complete rip-off of Bob Ward’s post about SQL Server 7.0, but the sentiment is the same. On June 25th, support for the the Microsoft JDBC driver versions 1.0, 1.1, and 1.2 will...
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