I deployed a hortonworks sandbox on Azure following the guidelines on .http://hortonworks.com/blog/hortonworks-sandbox-with-hdp-2-3-is-now-available-on-microsoft-azure-gallery/. Then, I followed the guidelines on the sandbox welcome page to open Ambari using http://{Ipaddress}:8080 and got to the Ambari login page. When I tried the default username and password admin/admin, it said the combination is invalid. I also tried the cluster username and password, and it did not work either. Your help is highly appreciated ... View more