Remko Weijnen's Blog (Remko's Blog)

About Virtualization, VDI, SBC, Application Compatibility and anything else I feel like

Archive for August, 2012

Citrix License Server Crash

After updating a Citrix License server from 11.6.1 to 11.10 the Citrix Licensing Service crashed immediately after startup.

In the Event Log the following error was shown:

Application Error | Faulting application lmadmin.exe, version, faulting module msvcp80.dll, version 8.0.50727.6195, fault address 0x000038db

I suspected that there was a corrupt licensing file in the MyFiles folder (Default C:\Program Files\Citrix\Licensing\MyFiles).


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  • Filed under: Citrix
  • Red Gate .NET ReflectorI wanted to call a hash function from a .net executable from my code. My first step was to inspect the executable with Reflector.

    The Hash function was in a namespace called Core:

    Notice that the Core namespace is marked as internal so it was not meant to be callable outside of the executable. It’s still possible to call it using Reflection:


  • Filed under: C#
  • After joining a new Windows 2008 R2 Server to the domain I could not login to the domain.

    I would get the following error message:

    The security database on the server does not have a computer acocunt for this workstation trust relationship.

    Additionally the following error was logged in the Eventlog:

    Event ID 3 | Error 1787 | Error Code 0x7 | KDC_ERR_S_PRINCIPAL_UNKNOWN | A Kerberos Message was received



    imageI had to troubleshoot an application that was published with Citrix XenApp. The problem with this application was that it didn’t have an button/icon in the taskbar and the window would sometimes disappear.

    I noticed that this (cr)application was written in Visual Basic, so I decided to run it through a decompilation tool.

    The decompiler was able to list the forms used in the Application:



  • Filed under: Citrix, General
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