Audit – Zewwy's Info Tech Talks

Why…

What You Need to Know About Managing PST Files (ironmountain.com)

How?

[SOLVED] Powershell Script find pst files on network – Spiceworks

From this guys script I wrote a simple script of my own.

As noted in the current issue that it only works running under the users current context. Though I know the results from testing, I can’t source any material on the CIM_DataFile class as to denote how or why this is the case.

For the time being this post will remain short as it’s a work in progress that I haven’t been able to resolve the interactive part of the script, I’m not happy with a requirement of a open share, and a logon script. As the script in its current state isn’t even written to support that design.

Will come back to this when time permits.

First get the list of gMSAs from AD:

$gMSAlist = Get-ADServiceAccount -filter {samAccountName -like "*"}

Second Determine the systems allowed to use them:

ForEach ($gMSA in $gMSAlist) {(Get-ADServiceAccount $gMSA -properties *).PrincipalsAllowedToRetrieveManagedPassword}

Yay, we know who can use these accounts… but ARE they currently using it. If this returns a Group, look to see the systems in this group, else just access the system in question.

Third, verify the account is in use by listing all the services on the system and the accounts used to run them:

Get-Service | Select -ExpandProperty Name | ForEach{(Get-WmiObject Win32_Service -Filter "Name='$_'") | Select Name, StartName}

The above command simply lists out all the services and the account they run under, it’s not optimal as it is slow, but it gets it all, and if you need a more readable version pipe it into Output-CSV, or apply a more granular filter on the result for the gMSAs in question.

That’s about it, if you don’t see the gMSA listed on any service on the target machine, it’s rather safe to assume that the gMSA is not in use and can be safely removed from AD.

Remove-ADServiceAccount gMSAToBeRemoved

Tag: Audit

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