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Script to check all certs and expiration dates

Posted on 2015-02-20
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Last Modified: 2015-02-20
I need to find all certs on all servers remotely and found this code by Becraig, which works, but it doesn't include expiration date.  Would like the expiration date included in the output.  I appreciate the help!

function Get-Cert( $computer){
    $ro=[System.Security.Cryptography.X509Certificates.OpenFlags]"ReadOnly"
    $lm=[System.Security.Cryptography.X509Certificates.StoreLocation]"LocalMachine"
    $store=new-object System.Security.Cryptography.X509Certificates.X509Store("\\$computer\My",$lm)
    $store.Open($ro)
    $store.Certificates

}
gc c:\serverlist.txt | % {
$computer=$_;
Get-Cert $_ | ?{
$_.subject -like "*domain.domain.com*";

} | % {

$sub = $_.subject;$report += "$computer, $sub`n" }

}
$report | out-file C:\certreport.csv

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Question by:mystikal1000
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3 Comments
 
LVL 17

Accepted Solution

by:
OriNetworks earned 500 total points
ID: 40622222
You should be able to change

$sub = $_.subject;$report += "$computer, $sub`n" }

To
$sub = $_.subject;$expires=$_.NotAfter;$report += "$computer, $sub, $expires`n" }
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LVL 18

Expert Comment

by:Raheman M. Abdul
ID: 40622244
Try this  (not tested).
function Get-Cert( $computer){
    $ro=[System.Security.Cryptography.X509Certificates.OpenFlags]"ReadOnly"
    $lm=[System.Security.Cryptography.X509Certificates.StoreLocation]"LocalMachine"
    $store=new-object System.Security.Cryptography.X509Certificates.X509Store("\\$computer\My",$lm)
    $store.Open($ro)
    $store.Certificates

}
gc c:\serverlist.txt | % {
$computer=$_;
Get-Cert $_ | ?{
$_.subject -like "*domain.domain.com*";

} | % {

$exp = $_.Notafter; $sub = $_.subject;$report += "$computer, $sub, $exp`n" }

}
$report | out-file C:\certreport.csv

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LVL 18

Expert Comment

by:Raheman M. Abdul
ID: 40622246
Sorry OriNetworks, I did not see your comment before posting.
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