$ oc delete migrationcontroller -n openshift-migration migration-controller
You can upgrade the Migration Toolkit for Containers (MTC) by upgrading the Migration Toolkit for Containers Operator.
You can upgrade to Migration Toolkit for Containers (MTC) 1.3 on an OpenShift Container Platform 4 cluster by deleting the MigrationController custom resource (CR), uninstalling the CAM Operator, and then installing the Migration Toolkit for Containers Operator.
Delete the MigrationController CR:
$ oc delete migrationcontroller -n openshift-migration migration-controllerIn the OpenShift Container Platform console, navigate to Operators > Installed Operators.
Click CAM Operator.
On the right side of the Operator Details page, select Uninstall Operator from the Actions list.
Select Uninstall. This Operator stops running and no longer receives updates.
Navigate to Operators → OperatorHub.
Use the Filter by keyword field to find the Migration Toolkit for Containers Operator.
Select the Migration Toolkit for Containers Operator and click Install.
On the Install Operator page, click Install.
On the Installed Operators page, verify that the Migration Toolkit for Containers Operator appears in the openshift-migration project with the status Succeeded.