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Logging In

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Troubleshooting Login Problems

If you get an Access Denied message, complete and send the email form so a member of the class faculty can add you to the class/section Participants list. You should then receive a response from the instructor.

Please also note: If you leave the Stellar page idle for 1 hours or if it's 6 hours after getting the touchstone ticket, you will need to re-authenticate.

For MIT Users:

If you are on the Participants list and still cannot gain access, consider the following:

  • Do you have an MIT certificate? To use a Stellar class website, you need both an MIT Certificate Authority and a personal certificate.
    All personal certificates at MIT expire on July 31. Go to Certificates at MIT for directions on checking the expiration date of certificates, deleting expired certificates in your browser, and getting a new personal certificate or MIT CA certificate.

  • Try clicking the Login button on the class or section homepage, then click a link in the homepage's navigation bar. If clicking the link takes you to another page, you are logged in.

    Users with a non-MIT account are prompted to enter a user name and password after clicking the Login button.


  • Try logging in to another certificate-protected site, such as WebSIS. If this works, then the problem is in Stellar. If it does not work, the problem is in the particular computer/browser/certificate combination you are using. Make sure that your computer and browser have only current MIT certificates---delete any old ones.

  • Make sure you are using an MIT-supported web browser.

  • If all attempts fail, contact the Computing Help Desk.
For non-MIT users

If you are on the participants list, consider the following:

  • Is the e-mail address you are using to login the same as the one the instructor listed as your e-mail address on the site? Check with the instructor.
  • If this is not the problem, contact the Computing Help Desk.
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MIT Certificates

All members of the MIT community automatically have a Stellar account that uses the MIT Kerberos user name (e.g., username@mit.edu) as the Stellar user name. MIT users identify themselves to Stellar through a personal certificate.

To get certificates for the browser and computer you are using, go to the MIT Certificates page. Get an MIT Certificate Authority first, if you do not have one already, then get an MIT Personal Certificate. To get a personal certificate, you must already have the following:

All personal certificates at MIT expire on July 31. Go to Certificates at MIT for directions on checking the expiration date of certificates, deleting expired certificates in your browser, and getting a new personal certificate or MIT CA certificate.

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