Looking for logging into the Sandbox Host 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 Sandbox Host site. After that you can login as usual with your login credentials.
https://community.hortonworks.com/questions/20166/unable-to-login-on-sandbox.html
https://hortonworks.com/tutorial/learning-the-ropes-of-the-hortonworks-sandbox/
http://indico.ictp.it/event/8170/session/10/contribution/21/material/0/1.pdf
https://sandbox.hostanalytics.com/
https://www.slideshare.net/hortonworks/sandbox-startup
https://github.com/hortonworks/data-tutorials/issues/207
https://success.salesforce.com/answers?id=90630000000guIyAAI
https://www.namecheap.com/support/knowledgebase/article.aspx/763/63/what-is-sandbox
https://docs.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-get-started-container-sandbox
https://opennebula.org/tryout/sandboxvirtualbox/
https://books.google.nl/books?id=Yu1mDwAAQBAJ&pg=PA126&lpg=PA126&dq=sandbox+host+login
https://techcommunity.microsoft.com/t5/Windows-Kernel-Internals/Windows-Sandbox-Config-Files/ba-p/354902
https://techcommunity.microsoft.com/t5/Windows-Kernel-Internals/Windows-Sandbox/ba-p/301849