Check Certificates. Remote Computer. Powershell.

Certificate expiry poses a problem for many a administrator. There are many monitoring tools and techniques, however using a periodic interval, I like to check this manually.

I do this using the following exert from one of my scripts.
Limiting the collection of computer names to a text file is how I like to keep things consistent.

get-content computers.txt | foreach {Invoke-Command -ComputerName $_ -ScriptBlock {Get-ChildItem Cert:\LocalMachine\My | Where {$_.NotAfter -lt (Get-Date).AddDays(65)} | select subject, thumprnint, notafter}}

Note: Winrm will need to be enabled.

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