Added 301 redirects, pages still earning duplicate content warning

[cglife]

We recently added a number of 301 redirects for duplicate content pages, but even with this addition they are still showing up as duplicate content. Am I missing something here? Or is this a duplicate content warning I should ignore?

[ProductPearson]

is it in Webmaster tools or another link checking tool? Try using another tool to check for these errors with a new scan of your site's pages. If the page is genuinely inaccessible then I wouldn't worry about it and you should be able to mark it as fixed in your webmaster tools account.

[AndersS]

Hi!

In addition, you could try visisting the old URLs with Firebug or some other tool activated to verify that your server is actually serving a 301 redirect (not 302 or nothing at all). If everything is OK it could just be a matter of time before the old pages are reindexed and the redirect is discovered.

[Christy-Correll]

Hi there, where are you receiving the warning?

[alecfwilson]

How long ago did you add the redirects? As with many SEO changes, you'll need to give Google time to recrawl and reindex your site. This can take several weeks in some cases, and even then, it will sometimes take multiple recrawls for Google to entirely index the changes. This assumes everything else was done correctly and nothing else is causing the duplicate content warnings.