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You may want to remove the Cisco account from your authenticator app, too.
Remove MFA from your account by switching the toggle off and verifying your password again. For Google Authenticator, you will enter a code on a screen to complete login. For Duo, you will select "Approve" or "Deny" when anyone tries to log in. When you log in, you will use your mobile phone to complete login.
Follow the instructions to complete setup. Enter your password and select "Verify". Visit your app store and download either Cisco Duo or Google Authenticator to your mobile phone. Enter the code on the screen to complete login. Multi-Factor Authentication (MFA) adds another layer of security to your account. Contact support for help or create a new account. If you change companies and domains, your access to the previous company's products, services, support, history, and training can be lost. Ask your company administrator to change all the email addresses for you and your colleagues. If your company changes their name or merges with another company, don't change your email address yourself. Your account may be on hold until all the checks are complete. When you change your email, we may check with the company to verify what access you need.
If your domain is owned by the same company as before, your company's relationship to Cisco controls what you can do when you log in. Please contact your company administrator to change any part of your email address. Some companies manage employee access to Cisco services, so you may not be able to change your own email address. Contact support for most Cisco accounts. Contact Networking Academy support for Networking Academy accounts.
If you cannot login, contact partner support or Cisco support. Partners, please login, open Customer Service Hub, search for "Partner Tools", and open a case for help changing your email address.Login and/or what you can do after login may be affected, temporarily or permanently. Changing your email address may have unexpected results.A new account may not include former account services, history, certificates, or training.