https://community.extremenetworks.com/t5/extremecloud-iq-controller/unable-to-delete-interface-vlan-is-in-use/m-p/81577#M181 Extreme Campus Controller<BR />Model: E1120<BR />Software Version: 05.46.02.0019<BR /><BR />I've got an unused interface that I want to delete. When I try do to so I get the message "Vlan is in use: ".<BR />The interface is unplugged, set to an unused VLAN id, set to an unused IP address on an unused subnet, "Enable Device Registration" is off and "Mgmt traffic" is off.<BR /><BR />There is nothing in the logs.<BR /><BR />Ideas? Thu, 06 Jan 2022 18:17:09 GMT erikm 2022-01-06T18:17:09Z https://community.extremenetworks.com/t5/extremecloud-iq-controller/unable-to-delete-interface-vlan-is-in-use/m-p/81577#M181 Extreme Campus Controller<BR />Model: E1120<BR />Software Version: 05.46.02.0019<BR /><BR />I've got an unused interface that I want to delete. When I try do to so I get the message "Vlan is in use: ".<BR />The interface is unplugged, set to an unused VLAN id, set to an unused IP address on an unused subnet, "Enable Device Registration" is off and "Mgmt traffic" is off.<BR /><BR />There is nothing in the logs.<BR /><BR />Ideas? Thu, 06 Jan 2022 18:17:09 GMT https://community.extremenetworks.com/t5/extremecloud-iq-controller/unable-to-delete-interface-vlan-is-in-use/m-p/81577#M181 erikm 2022-01-06T18:17:09Z https://community.extremenetworks.com/t5/extremecloud-iq-controller/unable-to-delete-interface-vlan-is-in-use/m-p/81578#M182 The vlan may be referenced in another configuration item, Role, Network, Policy. Remove the reference to the vlan and try deleting it again. Sat, 08 Jan 2022 18:07:50 GMT https://community.extremenetworks.com/t5/extremecloud-iq-controller/unable-to-delete-interface-vlan-is-in-use/m-p/81578#M182 Jan_Reister 2022-01-08T18:07:50Z