导出DC列表
$DomainName = (gwmi win32_computersystem).Domain
$dn0 = $DomainName.Split(".")[0]
$dn1 = $DomainName.Split(".")[1]
$dn2 = $DomainName.Split(".")[2]
If ( $dn2 -eq $null )
{$OU = "OU=Domain Controllers,DC=$dn0,DC=$dn1"}
Else {$OU = "OU=Domain Controllers,DC=$dn0,DC=$dn1,DC=$dn2"}
csvde -l "cn" -r "objectClass=computer" -d "$OU" -f dclist.txt -U
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Get-ADDomainController |select Name,Domain