Dear Martin,
Yes, I have updated the credential on ovirt-provider-ovn after password change.
OVN Test Result: (Ensure the account is under unlock state)
https://polyuit-my.sharepoint.com/:i:/g/personal/tflau_polyu_edu_hk/EcEHL...
Also, i tried to change the default network provider option from
"ovirt-provider-ovn" to "No Default Provider"
But no luck.