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System.core.dll v3.5 is missing RRS feed

  • Question

  • Not sure where to post this because what i am trying to do is get my build working on a build server, but it is failing because it is missing a 3.5 frame work dll.

    I just installed the 4.0 framework on my build server (TFS 2008). My builds that use the web deploy projects have started failing, they are all still vs 2008 projects running on 3.5 framework. The ASPNETCOMPILER can no longer find the system.core that is in in the web.config (it is version 3.5). I looked on the build machine in the framework folders and system.core.dll (v3.5) is nowhere to be found. the 4.0 version is where it is expected to be.  I checked add remove programs and I have .net framework 3.5 SP1 installed, so I ran the repair. Even after running the repair there is no System.core.dll (v3.5).

    Friday, May 14, 2010 5:46 PM

Answers

  • Hi N Anderton,

    Some clarification with you?
    What's the OS of your server? Windows Server 2008 or Windows Server 2008 R2?

    Based on your description, it seems that you have some concern on TFS build with the error "it is missing a 3.5 framework dll (system.core.dll)" when you try to build .NET Framework 3.5 project. You also cannot manually find system.core.dll file on your machine.

    To eliminate the possible cause of corrupted .NET Framework 3.5 installation, please help me to check the following steps:

    If you're running Windows Server 2008 R2:

    For Windows Server 2008 R2, .NET Framework 3.5 with SP1 is shipped with it as one of OS component.
    For .NET Framework 3.5 with SP1, it includes .NET 2.0 with SP2 and .NET 3.0 with SP2 as prerequisite. They are OS components.
    You can use Verification Tool to verify the .Net Framework 2.0, 3.0 and 3.5 on your machine.
    If .Net Framework 2.0, 3.0 and 3.5 cannot be verified on your computer, you can try to follow the steps mentioned in the following blog to repair the .NET Framework 2.0, 3.0 and 3.5 on Server 2008.
    See: http://blogs.msdn.com/astebner/archive/2007/03/26/how-to-repair-the-net-framework-2-0-and-3-0-on-windows-vista.aspx (also apply for Server 2008)

    If you're running Windows Server 2008:

    You can try Cleanup tool to remove .NET Framework 3.5 SP1. Then download .NET Framework 3.5 full package and reinstall it on your server.

    Hope this helps! If you have any concern, please feel free to let me know.

    Best regards,
    Yichun Chen
    MSDN Subscriber Support in Forum
    If you have any feedback on our support, please contact msdnmg@microsoft.com
    Please remember to mark the replies as answers if they help and unmark them if they provide no help.
    Welcome to the All-In-One Code Framework! If you have any feedback, please tell us.
    • Marked as answer by YiChun Chen Friday, May 21, 2010 2:36 AM
    • Edited by YiChun Chen Friday, May 21, 2010 9:36 AM typo
    Monday, May 17, 2010 6:38 AM
  • Sorry for not responding earlier I missed the email alerts.

    The bottom line is, I was looking in the wrong place for this particular dll, System.Core.dll I was looking for it in "C:\Windows\Microsoft.NET\Framework\v2.0.50727" or the 3.5 directory but it is in "C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5" So I have eliminated the framework as the issue. I a not sure why the build script is still not findng it but I think the question would be better posed in another forum.

    Thanks for your help.

    Noel

    • Marked as answer by YiChun Chen Friday, May 21, 2010 5:34 AM
    Friday, May 21, 2010 4:28 AM

All replies

  • Hi N Anderton,

    Some clarification with you?
    What's the OS of your server? Windows Server 2008 or Windows Server 2008 R2?

    Based on your description, it seems that you have some concern on TFS build with the error "it is missing a 3.5 framework dll (system.core.dll)" when you try to build .NET Framework 3.5 project. You also cannot manually find system.core.dll file on your machine.

    To eliminate the possible cause of corrupted .NET Framework 3.5 installation, please help me to check the following steps:

    If you're running Windows Server 2008 R2:

    For Windows Server 2008 R2, .NET Framework 3.5 with SP1 is shipped with it as one of OS component.
    For .NET Framework 3.5 with SP1, it includes .NET 2.0 with SP2 and .NET 3.0 with SP2 as prerequisite. They are OS components.
    You can use Verification Tool to verify the .Net Framework 2.0, 3.0 and 3.5 on your machine.
    If .Net Framework 2.0, 3.0 and 3.5 cannot be verified on your computer, you can try to follow the steps mentioned in the following blog to repair the .NET Framework 2.0, 3.0 and 3.5 on Server 2008.
    See: http://blogs.msdn.com/astebner/archive/2007/03/26/how-to-repair-the-net-framework-2-0-and-3-0-on-windows-vista.aspx (also apply for Server 2008)

    If you're running Windows Server 2008:

    You can try Cleanup tool to remove .NET Framework 3.5 SP1. Then download .NET Framework 3.5 full package and reinstall it on your server.

    Hope this helps! If you have any concern, please feel free to let me know.

    Best regards,
    Yichun Chen
    MSDN Subscriber Support in Forum
    If you have any feedback on our support, please contact msdnmg@microsoft.com
    Please remember to mark the replies as answers if they help and unmark them if they provide no help.
    Welcome to the All-In-One Code Framework! If you have any feedback, please tell us.
    • Marked as answer by YiChun Chen Friday, May 21, 2010 2:36 AM
    • Edited by YiChun Chen Friday, May 21, 2010 9:36 AM typo
    Monday, May 17, 2010 6:38 AM
  • Hi N Anderton,

    Does the above suggestion work?

    If you have any concern, please feel free to let me know.

    Best regards,
    Yichun Chen
    MSDN Subscriber Support in Forum
    If you have any feedback on our support, please contact msdnmg@microsoft.com
    Please remember to mark the replies as answers if they help and unmark them if they provide no help.
    Welcome to the All-In-One Code Framework! If you have any feedback, please tell us.
    Wednesday, May 19, 2010 3:23 AM
  • Hi N Anderton,

    I've marked my reply as answer. If you need any help, please feel free to let me know.

    Have a nice weekend!

    Best regards,
    Yichun Chen
    MSDN Subscriber Support in Forum
    If you have any feedback on our support, please contact msdnmg@microsoft.com
    Please remember to mark the replies as answers if they help and unmark them if they provide no help.
    Welcome to the All-In-One Code Framework! If you have any feedback, please tell us.
    Friday, May 21, 2010 2:36 AM
  • Sorry for not responding earlier I missed the email alerts.

    The bottom line is, I was looking in the wrong place for this particular dll, System.Core.dll I was looking for it in "C:\Windows\Microsoft.NET\Framework\v2.0.50727" or the 3.5 directory but it is in "C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5" So I have eliminated the framework as the issue. I a not sure why the build script is still not findng it but I think the question would be better posed in another forum.

    Thanks for your help.

    Noel

    • Marked as answer by YiChun Chen Friday, May 21, 2010 5:34 AM
    Friday, May 21, 2010 4:28 AM
  • Hi N Anderton,

    Thank you for your feedback.

    Hope your problem will be solved ASAP.

    Best regards,
    Yichun Chen
    MSDN Subscriber Support in Forum
    If you have any feedback on our support, please contact msdnmg@microsoft.com
    Please remember to mark the replies as answers if they help and unmark them if they provide no help.
    Welcome to the All-In-One Code Framework! If you have any feedback, please tell us.
    Friday, May 21, 2010 5:33 AM