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CNetID - Claiming Process

This article explains the CNetID claiming process for faculty, staff, and students new to the University.

CNetID Purpose

A CNetID is a username and unique identifier available to all University faculty, staff, and students, that is used to access most online services at the University of Chicago. The combination of your CNetID and password is the means by which faculty, students, and staff are authenticated and authorized to use such services as cMore,, Chalk, Wiki, WebShare, and campus mail.

An email address at the University contains a CNetID. When a CNetID is created, an email account1 is also created. The email address takes the format of

Creating Your CNetID

  1. Visit and click the Create your CNetID and Password link from the How to Request this Service section.
    create cnet link

  2. Enter your birth month, day, and year.
  3. Enter your ID Number. Your ID number can be your SSN, Student ID, Alumni ID, Chicago ID, or your University of Chicago ISO number.
  • Your Alumni ID can be found on the address label of your Chicago Magazine. Alumni who graduated before 1980 will need to use this in place of their Social Security Number. If you have problems finding your Alumni ID, call (877) 292-3945, or email the Alumni Office at
  • Your ISO number is a 16 digit number that is printed on your University of Chicago ID card.
  • ChicagoID is an eight digit number followed by a letter. It is found on the back of your University of Chicago ID Card.
  • Click the checkbox to confirm you have read and accept the Eligibility and Acceptable Use Policy for Information Technology.
  • Select the Next button.
    cnet id number

  • Select your desired CNetID from the suggestions listed, or check availability of something different using the Other box. Select Next to continue.
    cnet suggestions
    Note: Please be careful when electing a CNetID as it is a permanent identifier and is used publicly as part of your email address. Please select a name you will like for years; even if you change your real name legally, your CNetID will remain static. Your CNetID must begin with a letter and can contain only letters and digits. It can be from 3 to 16 characters in length.

  • A request to confirm your desired CNetID appears. Press Next to confirm.
    cnet confirmation
    Note: Given the permanence of the CNetID, this is encouragement to be certain you've chosen wisely. It will be part of your email address and therefore one of the most widely circulated pieces of information by which others will know you.

  • In case you ever lose your password, we ask a set of questions to which only you will know the answers. You can use these to reset your password if ever lost or believed compromised. Select a question from the drop-down list and provide the answer in the Security Answer text box. Click Next to continue.
    cnet question/answer set

  • Create and confirm a password. Your password must be secure, it must be 8-16 characters in length, and it cannot be or contain a word from a dictionary. It cannot be comprised of a simple pattern or repetition of characters. It must be comprised of a series of characters chosen from three of four sets: symbols, numerals, lowercase and uppercase letters. Click Next to continue.
    cnet password

  • When you create your CNetID you create your email account. Even if you forward mail to another service such as departmental mail, you will receive all official University communication through your address. See Document 24239 is unavailable at this time. for information about mail and forwarding services.
    email forward

    Note: If you choose to forward email, an additional request to confirm email forwarding appears.

  • Click Next to be added to an IT Services mailing list, or uncheck to opt-out of receiving this notification.
    ITS mailing list

  • A confirmation screen displays, including a series of helpful links to information regarding use of your CNetID.
    cnet confirmation

  • Notes:

    1 If you handle sensitive information, such as student information, patient information, human resource information or grant data, you must not forward these communications to a non-University service, but you may forward to a departmental service. For more information about the University's policy on the treatment of confidential information, see section U601 of the Personnel Policy. More information about email can be found in the Service Catalog.

    Keywords:calendar xmail outlook exchange webmail cnet   Doc ID:24388
    Owner:Astrid F.Group:University of Chicago
    Created:2012-05-18 04:58 CSTUpdated:2015-01-05 14:37 CST
    Sites:University of Chicago, University of Chicago - Sandbox
    Feedback:  2   0