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

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

Ram Kumar ChellamSr. System AdministratorAsked:
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Chinmay PatelChief Technical NinjaCommented:
Hi Naazg,

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

Ram Kumar ChellamSr. System AdministratorAuthor Commented:
Hi Chinmay,

Good Day,

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



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Ram Kumar ChellamSr. System AdministratorAuthor Commented:
I try its working fine now
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