After importing Aria Automation 8.18.1 into VCF 9 Fleet manger and triggering the upgrade, the Pre-check for Password Validations may fail.
Clicking on "View" in the Recommendations column shows that the password is not valid and must meet certain criteria.
VCF Automation 9.x
VCF Fleet Manager 9.x
The password selected in the Components Section of the Upgrade task must Contain at least 15 Characters, One Uppercase, One Lowercase, One Number and one special case Character. Supported special characters are !@#$%^&*
Use a password that meets the criteria.