PowerShell for Windows Admins

Oct 31 2011   1:46PM GMT

Logging non-contactable systems

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

In this post – http://msmvps.com/blogs/richardsiddaway/archive/2011/10/23/1760058.aspx – I showed how to get the date of the last update applied to a system.  A comment was posted asking how to log machines that can’t be contacted

".", "rslaptop01", "" | foreach {              
    if (Test-Path -Path hotfix.log){Remove-Item -Path hotfix.log -Force}            
    if(-not(Test-Connection -ComputerName $_ -Count 1 -Quiet)){            
      Add-content -Path hotfix.log -Value "Could not contact $($_) at $(get-date)" -Encoding ASCII            
    else {            
      Get-HotFix -ComputerName $_  |              
      Where {$_.InstalledOn} |              
      sort InstalledOn -Descending |              
      select CSname, @{Name="Installed";              
      Expression={"{0:dd MMMM yyyy}" -f [datetime]$_.InstalledOn.Tostring()}} -First 1             

Simply add a couple of lines to run Test-Connection and if you don’t get an answer then write out to a log file.

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