CRM 4.0 upgrade Failed error: An item with the same key has already been added.

Posted on 2011-10-02
Last Modified: 2012-06-27
Dear All,

 Now i am trying to upgrade CRM Server from CRM 3.0 to CRM 4.0, while upgrading i got the following error:

Action Microsoft.Crm.Setup.Server.ImportDefaultDataAction failed.---> System.Argument Exception: An item with the same keyhas already been added.

Could you please help me to solve this issue

Question by:Ram Kumar Chellam
    LVL 27

    Assisted Solution

    by:Chinmay Patel
    Hi Naazg,

    There has been a long discussion on the same topic earlier on EE.
    Have a look at this :


    Accepted Solution

    Hi Chinmay,

    Good Day,

    Thanks for your Support and i find the solution and problem solved as per below link



    Author Closing Comment

    by:Ram Kumar Chellam
    I try its working fine now

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