The Case of the Unexplained Server Hang

Recently, I received a call from one of my customers reporting a new server deployed in their environment became unresponsive or‘hung’ almost daily.  The customer explained that the server was deployed using their standard build process and wanted to collaborate on troubleshooting the issue.  I asked a few scoping questions: What Operating System and Service Pack? Windows 2003…


The Case of the Unexplained High CPU Condition

Usually I start these posts with “One of my customers…” but in this instance this happened to me while supporting a internal line of business application.  The platform is Windows Server 2008 Enterprise R2 running workloads IIS, (SCVMM) System Center Virtual Machine Manager 2008 R2, SQL 2008 SP1 on a server with 12 CPU’s and…

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DPM 2010 Backup Error 0x800423F4

A customer reported an issue that they could not protect virtual machines running various Microsoft workloads on a Windows Server 2008 R2 Enterprise Hyper-V Server.  In Hyper-V terms, these virtual machines are defined as “Child Partitions”.  More information about architecture can be found here:Hyper-V Architecturehttp://technet.microsoft.com/en-us/library/cc768520(BTS.10).aspx At a high level, “The Volume Shadow Copy Service (VSS) is…

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