The same content of an article can exist in different Support Center URLs which use the same Knowledgebase. This is punishable by search engines and can lower the page score.
In order to avoid such issues you can choose which URL will be the main one and add it to
For better understanding, check this example:
Article ID is 22334455
Main SC address is support.world.com
Article's main (canonical) address is support.world.com/22334455
Secondary Support Center address is help.earth.com and a
So, in order to prevent search engine punishment for duplicated content, help.earth.com support center should have canonical tag with URL support.world.com/22334455
In order to setup canonical
Once it is done for all articles, you will also need to contact us so we could add the required canonical link element to all your articles.