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Overview
NetID/GuestID
Your Cornell Netid or Guestid is used to access central Cornell services, the Coral lab management system, the CNF AFS file server, and login to the Sunrays and and Windows workstations.
Per Cornell policy, the password used for your GuestID or NetID must not be used anywhere else and must not be written down. If this password is compromised, others will be able to access your data files and charge lab time to your account.
As of fall 2015, CNF is using two separate GuestID systems. The older system is called the Legacy GuestID system. The newer system is simply called the Cornell GuestID system. Legacy GuestIDs are being phased out in favor of Cornell GuestIDs.
Using Your NetID/GuestID
Which is which?
A Cornell NetID is a series of two or three letters followed by a series of numbers.The letters will usually correspond to yoru intials. For example, sph1 .
A Cornell GuestID starts with "gid" for GuestID, followed by a dash, followed by your lastname, and then followed by your first and/or middle initials and optionally a number. For example, gid-doej .
A Legacy GuestID is usually formatted as your firstname followed by a period followed by your lastname optionally followed by a number. For example: john.doe .
Short Version
The short version of your netid/guestid is simply the NetID or GuestID as denoted above.
Long Version
The long version of your netid/guestid looks just like the short version, but with some extra information, called the Realm, appended to the end. For a netid, this will be either @CIT.CORNELL.EDU or @cit.cornell.edu . And for a Legacy Guestid, the extra information is one of @GUEST.CORNELL.EDU or @guest.cornell.edu . For a Cornell GuestID, the extra information is either @CORNELL.EDU or @cornell.edu. See below for when to use uppercase or lowercase after the @ sign. The portion of your netid/guestid before the @ symbol will always be lowercase.
Coral
Login to coral using the short version of your netid/guestid. You will select the Realm from a dropbox at the bottom of the Coral login dialog.
AFS
Login to afs using the long version of your netid/guestid, with the portion after the @ symbol capitalized.
Sunray
Login to the sunrays using the short version of your netid/guestid.
Windows
Login to windows using the long version of your netid/guestid, with the portion after the @ symbol capitalized.
To keep your private data private, remember to logout of Windows by choosing "Log Off" from the Start menu.
GuestID URLs
Get a GuestID
https://confluence.cornell.edu/display/CNF/Get+a+New+Cornell+GuestID
Edit your profile
https://guestid.cit.cornell.edu/pro/profile.cfm
Change your password
https://guestid.cit.cornell.edu/cpw/ChangePwd.cfm
Reset a forgotten password
https://guestid.cit.cornell.edu/fpw/ForgotPwd.cfm
NetID URLs
NetIDs, Passwords, Authentication, and More
http://www.cit.cornell.edu/identity/