{"id":1280,"date":"2014-05-09T13:27:07","date_gmt":"2014-05-09T11:27:07","guid":{"rendered":"http:\/\/hen.co.za\/blog\/?p=1280"},"modified":"2014-05-09T14:03:20","modified_gmt":"2014-05-09T12:03:20","slug":"list-all-net-versions-using-powershell","status":"publish","type":"post","link":"https:\/\/hen.co.za\/blog\/2014\/05\/list-all-net-versions-using-powershell\/","title":{"rendered":"List all .Net versions using PowerShell"},"content":{"rendered":"

A quick tip (script) how to list all the .Net (major) versions of a list of machines.<\/p>\n

\n
\r\n$serverListFile = "<Path to file>\\computers.txt";\r\n$computers = Get-Content -path $serverListFile\r\n\r\n$BASEDOTNETPATH = "\\c$\\Windows\\Microsoft.NET\\Framework\\"\r\n\r\nfunction CheckNet45($computerName){\r\n  $NETROOTKEY = "SOFTWARE\\\\Microsoft\\\\NET Framework Setup\\\\NDP\\\\v4"\r\n  $keyname = $NETROOTKEY + "\\\\Full"\r\n  try{\r\n    $reg = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey("LocalMachine", $computerName)\r\n    if ($reg -ne $null){\r\n      if ($reg.OpenSubKey($keyname).GetValue("Version").ToString().StartsWith("4.5")){\r\n        return $True\r\n      }\r\n    }\r\n  }\r\n  catch {\r\n    #do nothing\r\n  }\r\n  return $False\r\n}\r\n\r\nforeach($computer in $computers)\r\n{\r\n  $computer\r\n  $ok = Test-Connection $computer -Count 1 -Quiet\r\n  if ($ok) {\r\n    $computerBasePath = "\\\\" + $computer + $BASEDOTNETPATH\r\n    $versionStr = ""\r\n    if (Test-Path ($computerBasePath + "v1.0.3705")){\r\n      $versionStr = $versionStr + "1.0,"\r\n    }\r\n    if (Test-Path ($computerBasePath + "v1.1.4322")){\r\n      $versionStr = $versionStr + "1.1,"\r\n    }\r\n    if (Test-Path ($computerBasePath + "v2.0.50727")){\r\n      $versionStr = $versionStr + "2.0,"\r\n    }\r\n    if (Test-Path ($computerBasePath + "v3.0")){\r\n      $versionStr = $versionStr + "3.0,"\r\n    }\r\n    if (Test-Path ($computerBasePath + "v3.5")){\r\n      $versionStr = $versionStr + "3.5,"\r\n    }\r\n    if (Test-Path ($computerBasePath + "v4.0.30319")){\r\n      $versionStr = $versionStr + "4.0,"\r\n\r\n      if (CheckNet45($computer)){\r\n        $versionStr = $versionStr + "4.5,"\r\n      }\r\n    }\r\n    $versionStr = $versionStr.TrimEnd(',')\r\n    "\u00a0 Installed version(s): " + $versionStr\r\n\r\n  }\r\n  else{\r\n   " Is not pingable!"\r\n  }\r\n}\r\n\r\n<\/pre>\n<\/blockquote>\n
All you have to do is create a text file with a list of machine names (one name per line). It does assume you have Admin rights so you can access the C$ share and read the remote registries.<\/p>\n","protected":false},"excerpt":{"rendered":"
A quick tip (script) how to list all the .Net (major) versions of a list of machines. $serverListFile = "<Path to file>\\computers.txt"; $computers = Get-Content -path $serverListFile $BASEDOTNETPATH = "\\c$\\Windows\\Microsoft.NET\\Framework\\" function CheckNet45($computerName){ $NETROOTKEY = "SOFTWARE\\\\Microsoft\\\\NET Framework Setup\\\\NDP\\\\v4" $keyname = $NETROOTKEY …<\/p>\n
Read more »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[7,240,279,24,278],"class_list":["post-1280","post","type-post","status-publish","format-standard","hentry","category-reference","tag-net","tag-powershell","tag-registry","tag-tip","tag-versions"],"_links":{"self":[{"href":"https:\/\/hen.co.za\/blog\/wp-json\/wp\/v2\/posts\/1280","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hen.co.za\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hen.co.za\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hen.co.za\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hen.co.za\/blog\/wp-json\/wp\/v2\/comments?post=1280"}],"version-history":[{"count":7,"href":"https:\/\/hen.co.za\/blog\/wp-json\/wp\/v2\/posts\/1280\/revisions"}],"predecessor-version":[{"id":1287,"href":"https:\/\/hen.co.za\/blog\/wp-json\/wp\/v2\/posts\/1280\/revisions\/1287"}],"wp:attachment":[{"href":"https:\/\/hen.co.za\/blog\/wp-json\/wp\/v2\/media?parent=1280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hen.co.za\/blog\/wp-json\/wp\/v2\/categories?post=1280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hen.co.za\/blog\/wp-json\/wp\/v2\/tags?post=1280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}