@JohnWills 

I understand that you have moved into a new home and taken over an existing Deco Mesh system. After registering on the TP-Link site and downloading the app, you are unable to log in—your password is not accepted, and even after resetting it successfully, you still cannot log in. Attempting to re-register tells you the email is already in use.

Here are some steps to help resolve this issue:

1. Double-check your email and password: Make sure you are entering the correct email address and the new password you set during the reset process.

2. Check your email folders: Sometimes, activation or password reset emails can be filtered into your spam or junk folder. Please check these folders for any messages from TP-Link.

3. Try a different email address: If possible, try registering with a different email address to see if the issue persists.

4. Wait and try again: Occasionally, there may be a delay in the system updating your password. Wait a few minutes and try logging in again.

5. Refer to our FAQ: For more detailed troubleshooting, please visit: https://www.tp-link.com/support/faq/1127/

6. Contact Support: If you have tried the above steps and still cannot log in, please contact our technical support team for further assistance.

Let us know if you need any additional help!

  @JohnWills 

Hi, welcome to the community.

The community account also uses the TP-Link ID.

Did you use the same email ID for both the community and Deco App login?

Wait for your reply.

Best regards.

  @JohnWills 

Hi, thanks for the update

If you don't mind setting up Deco from scratch, you can hold the reset pinhole for 1 second to factory reset the Deco. It will unbind from the previous owner ID, and you can set up under your own email.

Best regards.