Get a list using WMIC
wmic /node:'servername' qfe GET description,FixComments,hotfixid,installedby,installedon,servicepackineffect > C:\temp\test.txt
Get the same list using Powershell
Get-HotFix -ComputerName servername -Credential $cred | select description,FixComments,hotfixid,installedby,installedon,servicepackineffect | ft
http://get-powershell.com/2009/08/28/comparing-installed-hotfixes-on-servers/
Compare-InstalledHotfix -server1 server1name -server2 server2name -credential $cred | ft -AutoSize
Function Compare-InstalledHotfix {
param (
[parameter(Mandatory=$true,Position=0)]
$server1,
[parameter(Mandatory=$true,Position=1)]
$server2,
[parameter(Mandatory=$true,Position=3)]
[Management.Automation.PSCredential]
$credential
)
$server1HotFix = get-hotfix -computer $server1 -Credential $credential | select HotfixId
$server2HotFix = get-hotfix -computer $server2 -Credential $credential | select HotfixId
$comparedHotfixes = compare-object $server2HotFix $server1HotFix -IncludeEqual
$result = @();
foreach ($c in $comparedHotfixes) {
$kbinfo = "" | select KB,$server1,$server2
$kbinfo.KB = $c.InputObject.HotfixId
switch ($c.SideIndicator)
{
"==" {
write-host -ForegroundColor Green "Both servers have $($c.InputObject.HotfixId)"
$kbinfo.($server1) = $true
$kbinfo.($server2) = $true
$result += $kbinfo
}
"=>" {
write-host -ForegroundColor Yellow "$server1 has $($c.InputObject.HotfixId) but $server2 doesn’t"
$kbinfo.($server1) = $true
$kbinfo.($server2) = $false
$result += $kbinfo
}
"<=" {
write-host -ForegroundColor Magenta "$server2 has $($c.InputObject.HotfixId) but $server1 doesn’t"
$kbinfo.($server1) = $false
$kbinfo.($server2) = $true
$result += $kbinfo
}
} # End Switch
} # End foreach
$result
} # End Function