SQL SERVER – Error: 8509 – Import of Microsoft Distributed Transaction Coordinator (MS DTC) transaction failed: 0x8004d00e(XACT_E_NOTRANSACTION)

Have you ever seen an issue related to MS DTC, SQL Server and JDBC XA distributed transactions? A client contacted me for help and he wanted my opinion within one hour. They signed up for my On Demand consulting services and we started looking at the server and application.

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SQL SERVER – Wait Stats Collection Scripts for 2016 and Later Versions

Yesterday I posted a blog about a new DMV, which is introduced in SQL Server 2016. You can read the blog post here: Get Wait Stats Related to Specific Session ID With sys.dm_exec_session_wait_stats. After reading the blog post, I have received quite a few emails about SQL Server Wait Stats Collection Scripts. One of the question was is my earlier script still valid to collect the SQL Wait Stats for SQL Server 2016 and Later Versions.

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SCOM – Alert: SQL Server Cannot Authenticate Using Kerberos Because the Service Principal Name (SPN) is Missing, Misplaced, or Duplicated

This blog explains what needs to be done when there are tools which can monitor and report issue about SPNs. Once a client informed that SCOM (System Center Operations Manager) is connected to the databases on SQL Server and raising below warning regarding the SQL Server (Service Principal Name) SPNs:

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