Looking for logging into the Tableau Customer Portal site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Tableau Customer Portal site. After that you can login as usual with your login credentials.
https://kb.tableau.com/articles/howto/getting-started-with-the-customer-portal?lang=ja-jp
https://kb.tableau.com/articles/howto/manage-users-in-the-customer-portal?lang=ja-jp
https://kb.tableau.com/articles/howto/manage-users-in-the-customer-portal
https://kb.tableau.com/articles/howto/managing-tableau-product-keys?lang=ja-jp
https://www.tableau.com/ja-jp/support/customer-success/portal-overview
https://kb.tableau.com/articles/howto/getting-started-with-the-customer-portal
https://kb.tableau.com/articles/howto/managing-tableau-product-keys
https://kb.tableau.com/articles/howto/submitting-a-case-from-the-customer-portal?lang=ja-jp
https://www.tableau.com/ja-jp/support
https://community.tableau.com/docs/DOC-5540
https://community.tableau.com/thread/258329
https://online.tableau.com/
https://www.tableau.com/ja-jp/support/customer-success/portal-admin