1205008 - SETSPN command fails and returns usage dialogue

When the SETSPN command is run on an Active Directory user account using the correct syntax, the useage prompt is displayed as follows:

 

Usage: setspn [switches data] computername
Where "computername" can be the name or domain\name

Switches:
-R = reset HOST ServicePrincipalName
Usage: setspn -R computername
-A = add arbitrary SPN
Usage: setspn -A SPN computername
-D = delete arbitrary SPN
Usage: setspn -D SPN computername
-L = list registered SPNs
Usage: setspn [-L] computername
Examples:
setspn -R daserver1
It will register SPN "HOST/daserver1" and "HOST/{DNS of daserver1}"
setspn -A http/daserver daserver1
It will register SPN "http/daserver" for computer "daserver1"
setspn -D http/daserver daserver1
It will delete SPN "http/daserver" for computer "daserver1"