Trying to replace a remote collector for cloud proxy as part of pre-upgrade preparations , delete the remote colector from the UI, it still appears on the admin portal on Aria Operations.
After deleting a remote collector in the Aria Operations user interface or via command, by following the steps from KB Manually removing a Cloud Proxy from Aria Operations before applying the upgrade. The remote collector is shown in the Aria Operations administration interface.
Try to upgrade Aria Operations, will fail due to this error: Failed The PAK action "new_validate" script "source ./pak_python_wrapper.sh validate.py" failed