Application pool 'MSExchangeOWAAppPool' on server '{0}' is configured to run under the wrong identity. 'MSExchangeOWAAppPool' ...

Application pool 'MSExchangeOWAAppPool' on server '{0}' is configured to run under the wrong identity. 'MSExchangeOWAAppPool' should run under the 'Local System' identity. Click on the link 'get help fixing this issue' in the actions pane located on the right side of the screen for assistance.