Troubleshooting and Administrating MSDTC (Microsoft Distributed Transaction)

    Administration   1. How does client communicate with MSDTC Cluster?   2. Understanding MSDTC communication from network layer traffic   Cluster   1. How to configure individual MSDTC resource with SQL cluster application in SQL Server 2008 Failover Cluster   2.  How to configure shared MSDTC resource for Windows 2008 Failover Cluster  …

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Troubleshooting COM/DCOM/COM+: COM Interop with .NET

    1.      .NET application may crash when calling function from native C++ dll   2.      DllCanUnloadNow function isn’t invoked after using classic COM components in .NET applications       3.   How to run .NET component in a singleuse way       4.   How to invoke 64bit native COM from 32bit .Net application      …

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Troubleshooting COM/DCOM/COM+: General Issues

     1.      How to Tune the ASPProcessorThreadMax and EmulateMTSBehavior   2.      Why my DCOM service reports 10010 error   3.      Identify deadlock through the hwnd handler 4.      Why does client application report “RPC is Unavailable” after compiled as a Release Version?   5.      Cannot expand the COM+ list in the Component Services UI due…

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Troubleshooting Biztalk

          1.      0x800706D9 when contact a SSO master secret cluster   2.      Biztalk: No result returns when click the button “Run Query” in HAT [Operations -> Service Instances] or [Operations ->Messages]   3.      Connection problem with the old BPA version   4.      0xc0c01b15 fail to start BizTalk service   5.      ORA-12154:…

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Troubleshooting IIS: Security Issues

  1. How to manage my Windows user password through IIS web portal   2. Security Token Handle Leak in ASP.NET Application   3. Kerberos Authentication failed due to time skew   4. Why my account is getting locked out every one hour by Inetinfo.exe?   5. How to make IISADMPWD work in MOSS 2007…

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Troubleshooting IIS: Tracing IIS

         1. Various .NET Performance Counter Problems   2. Digging out information from FREB efficiently with PowerShell   3. Analyze .NET Fusion log with PowerShell in timely manner   4. Using System.Net trace to troubleshooting SSL problem in .NET 2.0 application      

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Troubleshooting IIS: Application Slowness

  1. Performance Issue Caused by Crashed Finalizer Thread   2. Deadlock due to two versions of same assemblies loaded 3. Identify deadlock through the hwnd handler  

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Troubleshooting IIS: Application Performance dropped due to High CPU

    1.      ASP.NET application 100% CPU caused by System.Collections.Generic.Dictionary 2.   Problem on Updating ASP.NET Web Content in Failover Cluster   3.   High CPU usage for .NET 1.1 XSL transformation   4.   ASP.NET application high CPU utilization caused by “System.NotSupportedException”    

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Troubleshooting IIS: HTTP/FTP

  1. Why private IP address is still revealed on IIS server even after applying fix 834141   2. IIS FTP Service Hang Due to Ports Contention in Passive-Mode   3. FTP client application encounters slow file download performance issue   4. Fail to send PORT command in FTP with NAT   5. Why My…

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