I Created a web part and add Event Receiver to handle ItemAdded event.

When run in visual studio , i get error

Error occurred in deployment step 'Activate Features': Attempted to perform an unauthorized operation.

1 Answer 1


Couple of questions

  1. Are you deploying via Visual Studio? or Installing using STSADM/Powershell?

  2. Did you follow the guidelines for setting up your permissions to deploy from Visual Studio - Read here for those steps: http://rsuharta.wordpress.com/2011/05/25/error-occurred-in-deployment-step-activate-features-attempted-to-perform-an-unauthorized-operation/

The "unauthorized operation" is a very generic error and doesn't always tell you where you dont have permissions.

The link shared above though should help.

  • Unfortunately the web page of the link is now down.
    – Francis
    Commented Dec 14, 2016 at 17:26

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