You may experience “The configuration system has already been initialized” exception after installing the KB2844285

  Background Recently we have several cases related to the KB2844285 (MS13-052: Description of the security update for the .NET Framework 2.0 Service Pack 2 on Windows XP and Windows Server 2003: July 9, 2013). Customer reported that some of the web applications failed to work with the following exceptions in event logs:   Event…

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How to add web site to Compatibility View List via GPO

  Usually, we add web site to Compatibility View List from IE windows: Click “Tools -> Compatibility Settings” and input web site address in below windows:     It can also be applied from GPO for domain users. Here are several popular methods to achieve this task:   Solution 1 (Recommended as it exactly displays…

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Case Study: OutOfMemory Exception caused by XmlSerializer is not used properly

Background Recently we handled a case which symptom was a little bit weird: there is only an error code saying 998 without anything else. We checked the error code 998 and was told “invalid access to memory location”.  So it seems that the memory was corrupted during that time.   Finally, we captured dump file…

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