link not found

What is the reason that some of the article which is avialable in old forum as solution is not working?

Eg http://www.symantec.com/business/support/index?page=content&id=TECH105238&locale=en_US

     http://www.symantec.com/business/support/index?page=content&id=TECH132880&locale=en_US

When i open the link it show

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