Please verify that you are trying to log in to the right node. Your welcome message identifies the node that an account was created on:
Welcome to the Cornell VirtualRDC! Your account ________ has been created on vrdc3201 You will receive your password in a separate email. How to use the VirtualRDC is described at http://www.vrdc.cornell.edu/news/?p=13 Please log in using the procedures described there, and change this password upon first login.In the example above, the account was created on vrdc3201.