@Clive_A Dear Clive, sorry my Fault. I overlooked the second Option in your Document. The "Easy Managed" was not set, I clicked it and it was possible to "adopt" the Switch. Thank you for your...

@Clive_A Dear Clive, thank you for your reply. The Omada Controller is a OC200. I did not change anything in the switch related settings or Port Profiles. Just connected the new Switch to a Port and...

When trying to Adopt the Switch via the Omada Controller I receive an Error: Any Hints what needs to be done to adopt the Switch? The other Switch is a TL-SG2210MP v3.0