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Magento : Admin backend 404 not found

Have you imported database to new server and you are not able to access Magento admin panel? and it's showing you 404 not found error?

If yes, try to run following commands from phpmyadmin.

SET FOREIGN_KEY_CHECKS=0;
UPDATE core_store SET store_id = 0 WHERE code='admin';
UPDATE core_store_group SET group_id = 0 WHERE name='Default';
UPDATE core_website SET website_id = 0 WHERE code='admin';
UPDATE customer_group SET customer_group_id = 0 WHERE customer_group_code='NOT LOGGED IN';
SET FOREIGN_KEY_CHECKS=1;

It worked for me. Hopefully, this will work for you guys as well.

The reason for this error is that store_id and website_id for admin should be set to 0 (zero). But, when you import database to new server, somehow these values are not set to 0.

Thanks!!!!!!!! Enjoy Programming :)

Reference Links :

http://stackoverflow.com/questions/5178066/error-404-not-found-in-magento-admin-login-page 

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