@Weiss Ruth This HCC thread looks duplicate of another one. As per HCC recommendations for the same issue please open only one thread so that all the relevant answers can be found on one thread. https://community.hortonworks.com/questions/232181/sign-in-with-root-user.html?childToView=232212#answer-232212 . Copying my response from other thread: Please make sure that you are using the correct SSH port to connect to the Sandbox. The port will be 2222 something like following: # ssh root@127.0.0.1 -p 2222 Enter password : hadoop . Or you can also use the Web Client to do SSH login to sandbox like by accessing the following URL. http://localhost:4200 ... View more