Smarthing V3 Hub stuck when adding to account

[nayelyz (SmartThings Developer Support)]

Hi, @peanstein
There was a change in the certificate for this type of hub.
In this post, you can find the troubleshooting steps to solve the issue:

Troubleshooting SmartThings Hub 2018 and Aeotec Hub

Use this guide for troubleshooting help with onboarding your Hub. We also include Hub replacement information if necessary. Overview When encountering the 33-504 error while claiming a SmartThings Hub 2018 (IM6001-V3P) or an Aeotec SmartThings Hub, the following root causes may apply: Your hub cannot access the internet over Ethernet or Wi-Fi connections Hubs manufactured before April 2024 may not have received firmware updates after production. If a Hub has not been claimed by March 2, 2025, it may not have been updated before purchase or activation. The following steps could be attempted to claim your hub successfully. Verify Internet Connectivity: Please verify the following: Your hub can connect to the internet If claiming over Ethernet, the LAN is internet-connected If claimin…