runas /user:domainname\username cmd (from cmd.exe you can then run explorer.exe)
net localgroup /add administrators "domain users"
C:\windows\pchealth\helpctr\binaries\msconfig.exe
Start -> Run -> runas /u:domainname\username "shutdown -r -t xx -f -m \remotepcname"
Note: domainname can be domain name, workgroup name or computer.
net use \remotepcname password /u:domainname\username shutdown -r -t xx -f -m \remotepcname
System error 67 = check for typos in the command and computer name.
System error 53 = make sure the Server service and Computer Browser service are running.
"shutdown -a"