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Modify this Powershell script that captures DNS servers so it outputs to CSV

Posted on 2013-12-10
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Last Modified: 2013-12-20
Hi

I found the below script on the MS site that works well, however it displays the info in the console, is it possible someone could edit this so it outputs to a csv file, i tried stiicking an export-csv line at the end but that didnt work so there must be more to it.

Thanks

# Get-DNSandWINS.ps1 
# Written by Bill Stewart (bstewart@iname.com) 
 
#requires -version 2 
 
# Version history: 
# 
# 2.0 (2013-10-02) 
# * Added -Credential 
# * Output data only for IPv4 addresses 
# * Output separate row for each DNS server address 
# 
# 1.0 (2012-02-15) 
# * Initial version 
 
<# 
.SYNOPSIS 
Outputs the computer name, IP address(es), DNS server address(es), and WINS server addresses for one or more computers. 
 
.DESCRIPTION 
Outputs the computer name, IP address(es), DNS server address(es), and WINS server addresses for one or more computers. 
 
.PARAMETER ComputerName 
One or more computer names. This parameter accepts pipeline input. 
 
.PARAMETER Credential 
Specifies credentials for the WMI connection. 
 
.EXAMPLE 
PS C:\> Get-DNSandWINS server1 
Outputs information for server1. 
 
.EXAMPLE 
PS C:\> Get-DNSandWINS server1,server2 
Outputs information for server1 and server2. 
 
.EXAMPLE 
PS C:\> Get-DNSandWINS (Get-Content ComputerList.txt) 
Outputs information for the computers listed in ComputerList.txt. 
 
.EXAMPLE 
PS C:\> Get-Content ComputerList.txt | Get-DNSandWINS 
Same as previous example (Outputs information for the computers listed in ComputerList.txt). 
 
.EXAMPLE 
PS C:\> Get-DNSandWINS server1,server2 -Credential (Get-Credential) 
Outputs information for server1 and server2 using different credentials. 
#> 
 
param( 
  [parameter(ValueFromPipeline=$TRUE)] 
    [String[]] $ComputerName=$Env:COMPUTERNAME, 
    [System.Management.Automation.PSCredential] $Credential 
) 
 
begin { 
  $PipelineInput = (-not $PSBOUNDPARAMETERS.ContainsKey("ComputerName")) -and (-not $ComputerName) 
 
  # Outputs the computer name, IP address, and DNS and WINS settings for 
  # every IP-enabled adapter on the specified computer that's configured with 
  # an IPv4 address. 
  function Get-IPInfo($computerName) { 
    $params = @{ 
      "Class" = "Win32_NetworkAdapterConfiguration" 
      "ComputerName" = $computerName 
      "Filter" = "IPEnabled=True" 
    } 
    if ( $Credential ) { $params.Add("Credential", $Credential) } 
    get-wmiobject @params | foreach-object { 
      foreach ( $adapterAddress in $_.IPAddress ) { 
        if ( $adapterAddress -match '(\d{1,3}\.){3}\d{1,3}' ) { 
          foreach ( $dnsServerAddress in $_.DNSServerSearchOrder ) { 
            new-object PSObject -property @{ 
              "ComputerName" = $_.__SERVER 
              "IPAddress" = $adapterAddress 
              "DNSServer" = $dnsServerAddress 
              "WINSPrimaryServer" = $_.WINSPrimaryServer 
              "WINSSecondaryServer" = $_.WINSSecondaryServer 
            } | select-object ComputerName,IPAddress,DNSServer,WINSPrimaryServer,WINSSecondaryServer 
          } 
        } 
      } 
    } 
  } 
} 
 
process { 
  if ( $PipelineInput ) { 
    Get-IPInfo $_ 
  } 
  else { 
    $ComputerName | foreach-object { 
      Get-IPInfo $_ 
    } 
  } 
}

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Question by:ncomper
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5 Comments
 
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Expert Comment

by:VirastaR
ID: 39708547
Hi,

Check this..

How to get servers’ DNS settings exported to CSV in Powershell

Hope that will help you in what you are trying to achieve exporting the Powershell command output in CSV File format.

Hope that helps :)
0
 
LVL 39

Expert Comment

by:footech
ID: 39708557
The script will output custom objects.  If you want to export to a .CSV you could just run like
.\Get-DNSandWINS.ps1 servername | export-csv dns.csv -notype

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Author Comment

by:ncomper
ID: 39708905
Excellent that works thanks,

Would it be possible to add additional code that would right errors for the hosts it could not connect to, currently it just writes an error to the console but doesn't actually tell you what host has failed.

Thanks
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LVL 39

Accepted Solution

by:
footech earned 500 total points
ID: 39709246
Rather than rewriting the script at this point, I would just test the connection before calling the script.  So if you had a list of machines in a file "complist.txt"
GC complist.txt | % {
   $comp = $_
   If ( Test-Connection $comp -quiet -count 1)
   {
      .\Get-DNSandWINS.ps1 $comp
   }
   Else
   { Write-Host "Couldn't contact $comp" }
} | export-csv dns.csv -notype

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Author Closing Comment

by:ncomper
ID: 39731530
Excellent as usual Thanks
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