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  • Nathan Skidmore 63 posts 251 karma points c-trib
    Sep 20, 2010 @ 00:58
    Nathan Skidmore
    0

    Upgrade 4.0.4.2 to 4.5 install problem (server error)

    Installing umbraco

    I am in the process of upgrading my umbraco installation to 4.5 from 4.0.4.2.

    After copying all of the files and setting up umbraco in IIS to run in .NET 4, I then move to the second phase of installation by going to the root of the site to follow the installation wizard.

    However once I hit the root umbraco asks me to login, after that the following error occurs:

    Does anyone know what could be causing this error? Note that I placed umbraco in a .NET 4 Application Pool and have changed the web.config to reflect my database settings.

    Thanks

    Nathan

    [NullReferenceException: Object reference not set to an instance of an object.]
   umbraco.presentation.install._default.Page_Load(Object sender, EventArgs e) +78
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +24
   umbraco.BasePages.BasePage.OnLoad(EventArgs e) +73
   System.Web.UI.Control.LoadRecursive() +115
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2749

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  • Nathan Skidmore 63 posts 251 karma points c-trib
    Sep 20, 2010 @ 14:51
    Nathan Skidmore
    0

    Just to provide some more info on this, I am running Windows 7 OS, SQL Server Express 2008 R2 and IIS 7.5.

    Has anyone experienced this error before or have any theories of what could be causing the error based on the stack trace?

    Thanks

    Nathan

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  • IAMMRBONGO 29 posts 49 karma points
    Apr 11, 2011 @ 16:33
    IAMMRBONGO
    0

    Did you ever resolve this? I have the same problem

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  • Nathan Skidmore 63 posts 251 karma points c-trib
    Apr 12, 2011 @ 10:43
    Nathan Skidmore
    0

    I'm afraid I didn't resolve this. In the end I did a fresh install of Umbraco with the lastest version.

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  • IAMMRBONGO 29 posts 49 karma points
    Apr 12, 2011 @ 11:15
    IAMMRBONGO
    0

    Just so you know, my problem was that I tried doing a direct upgrade from 4.03 to 4.7 without first going to 4.5. No help to you as it's not related but might help someone else as daft as me

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