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Thank you for your reply. This surely helps. I will probably edit the htaccess.

It's just a notice telling you that a canonical tag _has _been implemented, it's not an error or warning.

Let us assume that I have already processed all URL parameters on Google Webmaster tools. The question is will SEOMOZ see those URL Parameters changes or they will override this? Sorry for the confusion. To answer my own question, those URL parameter I presume will only work for Google. It is a way to tell Google not to crawl those URLs. If I let seomoz crawl my website, what should I do to let Seomoz bypass those unnecessary URLs? I am not really an SEO Guro but I am willing to learn.