Try this

code:
  
echo password | su username 'ntrights -u "domain users" +r SeSystemtimePrivilege cvhp -m %computername%'
I am using su for changing registry key permission see my code (batch file)

code:
 
 echo password|su username -w "\\server\share$\regini \\server\share$\reg.txt" -dn -l
This is working fine, I convert this batch file as com and Shell it out threw kix
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“I’ll not change you unless you don’t have intention to change yourself” --H:Quran