Thanks to the support of TP-Link/Omada, this problem is solved. It had to do with the syslog configuration at the Site level, could not handle a hostname but only an IP address (while the syslog...

@Vincent-TP Hello Vincent, These errors occur indeed every time with a force provisioning and/or re-adopt and/or apply-again. The complete list of failures are then shown again (with the current...

@Nestorix

After upgrading my OC300 controller to 6.0.0.34 I get "Device failed to apply configurations. (ErrorCode: switch_100)" errors in the Configuration Result Failed logs. Basically 22 lines of failures...