Extracting the last octet from local machines ip and applying to computer name

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what trying on startup have script run (this new server only) looks @ ip assigned system (192.168.0.44) .. take last octet (44) , add newserver newserver44 

$octet = 

add-computer -domainname $domain -newname "newserverxx" -credential $credential -force -restart

i have tried . splt .. can not work

thanks

$ip = (get-wmiobject win32_networkadapterconfiguration -filter 'ipenabled=true').ipaddress[0] $lastoctet = $ip.split('.')[-1]  $newservervar = "newserver$lastoctet"  $newservervar



Windows Server  >  Windows PowerShell



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