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  • Sajid Riaz 142 posts 165 karma points
    Nov 07, 2010 @ 19:49
    Sajid Riaz
    0

    Upgrading ver 4.5.2 from .net 3.5 to .net 4

    Hi All,

    I installed umbraco using WPI 2.  All was ok and site up and running.

     I downloaded the 4.5.2 .net 4 version and copied the following files over the existing:

    • /app_data
    • /app_browsers
    • /app_code
    • /bin
    • /config
    • /data
    • /install
    • /umbraco
    • /umbraco_client
    • web.config
    • default.aspx
    when i run installer again it gets to step 3, (DB update successful), when i click next I get following error:

    Could not load file or assembly 'Microsoft.Scripting.ExtensionAttribute, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.

     

    any ideas will be much appreciarted.  thanks in advance

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  • Sajid Riaz 142 posts 165 karma points
    Nov 07, 2010 @ 20:03
    Sajid Riaz
    0

    The step I get to is: installStep=validatePermissions

    and I'm using windows Vista.

     

    thanks

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  • Sajid Riaz 142 posts 165 karma points
    Nov 07, 2010 @ 20:33
    Sajid Riaz
    0

    fixed,

    I compared a 4.5.2 .net 4 upgrade i did a few months ago

    I noticed the following file was missing from bin folder: Microsoft.Scripting.ExtensionAttribute.dll

     

    thanks

     

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  • warsnickv 4 posts 24 karma points
    Nov 01, 2012 @ 10:16
    warsnickv
    0

    hi all,

    I try to update my umbraco 4.5.2 .NET 3.5 to umbraco 4.5.2 .NET 4.0.
    When i copy the files.

    • /app_data
    • /app_browsers
    • /app_code
    • /bin
    • /config
    • /data
    • /install
    • /umbraco
    • /umbraco_client
    • web.config
    • default.aspx
    to my project with some changes in web.config for the connection to my DB.
    I get exectly the same error as above.
    When i copy Microsoft.Scripting.ExtensionAttribute.dll to my bin directory. Will i get the error of "no pages found".
    Can Someone help me please.
    Thanks

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