Syntax Error: the test name must be followed by a DNS domain name and the operation, e.g.: /test:DcPromo /DnsDomain:domain.company.com ...

Syntax Error: the test name must be followed by a DNS domain name and the
operation, e.g.:
/test:DcPromo /DnsDomain:domain.company.com /
If =NewTree, then the ForestRoot argument is also
required:
 /ForestRoot:
See the help screen (/?) for more information.