If user’s Questions and Answers profile does not comply with the current Q&A profile policy, you can require the user to update the Q&A profile, provided that you have the appropriate permissions.
To enforce update of user's Question and Answers profile
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Open the Home page as described in Connecting to the Helpdesk Site. 
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On the Home page, click Enforce Update of Q&A Profile. 
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Follow the steps in the wizard to complete the task. 
