Frequently Answered Questions

Platform One SSO is a single sign-on service that allows you to access multiple applications with a single set of credentials.

You can register for an account by clicking on the "Register" link on the login page and following the instructions.

If you forget your password, you can click on the "Forgot Password" link on the login page to reset it.

You can use your CAC/PIV for authentication by selecting the certificate option during login.

Log in to your account at which will bring you to your account settings page where you will be able to update your profile.

Unfortunately, there is no way for us to combine accounts. We can deactivate whichever account you will no longer be using. Let your team admin know which account (email address) you will no longer be using or email us directly at AFLCMC.HNCX.RC-Helpdesk@us.af.mil.

Check out Mattermost's official user guide for more information and best practices.

If you need assistance, please contact the Platform One support team at AFLCMC.HNCX.RC-Helpdesk@us.af.mil.

• Ensure you are scanning the QR code with the MFA app on your mobile device or used the provided code. This will produce a MFA token (6-digit number) that changes every 30 seconds. Type in that 6-digit number (e.g. 123456) with no spaces.
• If the MFA token is not accepted, you will receive the "Invalid authenticator code" error. You must re-scan the QR code again which creates another MFA token (another 6-digit pin that is changing every 30 seconds). You must use the new 6-digit pin (you can delete the old ones).
• Your phone time may be out of sync. Check your phone's settings to make sure the time is updating automatically. If you're using Google Authenticator on Android, try the Sync Now feature to update the time.

Log in to your account at to access your profile. From here, click the "Password" tab to set a password. You will also need to click the "Authenticator" tab to set up multi-factor authentication (MFA).

• Ensure you are scanning the QR code with the MFA app on your mobile device or used the provided code. This will produce a MFA token (6-digit number) that changes every 30 seconds. Type in that 6-digit number (e.g. 123456) with no spaces.
• If you accidently tried logging in using your old Mattermost credentials more than five times, your account is likely locked out. Contact a team admin or email us at AFLCMC.HNCX.RC-Helpdesk@us.af.mil to have your account unlocked.

Send an email to AFLCMC.HNCX.RC-Helpdesk@us.af.mil from the email address associated to your account. Include the word "disabled", "reactivate", or "unlock" in the body. Your account will be automatically unlocked and you will receive an email reply when once complete.

• Ensure you are scanning the QR code with the MFA app on your mobile device or used the provided code. This will produce a MFA token (6-digit number) that changes every 30 seconds. Type in that 6-digit number (e.g. 123456) with no spaces.
• If you don't have CAC access, email us at AFLCMC.HNCX.RC-Helpdesk@us.af.mil from an approved email address (e.g. @us.af.mil) to request an MFA reset.