CAS: Resolving Unauthorized Access Error When Logging Into UT Systems

Overview

Students, Staff, or Faculty may receive this error when attempting to log in to any UT system (such as Canvas, MyUTK, or other university services). This issue is often caused by having multiple Microsoft accounts signed in within the same web browser.

CAS error message reading the authentication request was rejected/cancelled.

Steps to Resolve Unauthorized Access Error 

  1. Go to https://myaccount.microsoft.com/.
  2. Click your profile icon in the upper-right corner of the page.
  3. Select Sign in with a different account.
  4. For each listed account, click the ellipsis (three dots) to the right of the account name.
  5. Select Sign out and Forget.
  6. Repeat this process for all Microsoft accounts, including your school account.
  7. After completing the steps above, return to the UT system you were attempting to access and try signing in again.

If the issue persists, try:

  1. Open an incognito or private browsing window.
  2. Navigate to office365.utk.edu 
  3. Sign out of any account you are currently signed into. 
  4. Open a new window and navigate to myutk.utk.edu.
  5. Login with your UT credentials.
Note: To prevent this issue in the future, use separate web browsers for different Microsoft accounts (for example, one browser for your school account and another for your personal account).

 

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