Web TMS Login Help

You must read and review all instructions below before proceeding.

Web TMS utilizes the same login credentials as C-17 Learning Center PCs.
If you have not logged into a C-17 PC in the last 30 days or have a 14 character or more password, you will need a password reset. After 2 failed login attempts your account will be locked out for 10 minutes.
If you have forgotten your username you can click the Self-Service Password Reset button and use the Username Lookup.

Click Login to Web TMS button at the bottom of this page.
Enter c17ats\ in front of your username example: c17ats\*username*.
If prompted with your CAC, select More choices, then choose Username and Password.

You may change your password from the Web TMS homepage or after logging in. If you need a password reset you can use the Self-Service Password Reset tool.
Self-Service Password Reset- Click Self-Service Password Reset button.You must verify your account using your username and last 4 of your SSN. Click Verify Identity. Once successful you can click the Reset Password button. You will see a temporary password below the Back button. Click Back once finished. If your account cannot be verfied please contact support@c17ts.com with the following information:
- Last four digits of your SSN
- Your USAF email address
- Your base of operation
Change Password Method 1 Web TMS Homepage- Click Change Password and enter the correct information. If successful you will receive a Password Change Success. If it fails you will receive a error message. Click Back
Change Password Method 2 After Login- Click the TMS tab → Change My Password and enter the correct information. If successful you will receive a Password Change Success. If it fails you will receive a error message. Click Cancel once finished.
You have 24 hours to change your password before it expires.
Password must include:
- Minimum 14 characters
- Uppercase letters
- Lowercase letters
- Numbers
- Special characters

Make sure you enter https://www.c17ts.com when accessing the site. If not, you may experience a 403 error. Once you have received an error, close the browser and start over.
If you experience any kind of error trying to login to the site, close the browser and start over. Currently we have an issue where it errors out the session itself. This is in further review.
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When ready, continue below