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PS C:\Windows\system32> C:\support\Get-log4j-Windows.ps1
cmdlet Get-Credential at command pipeline position 1
Supply values for the following parameters:
PreReq: Powershell 5.0+. Proceeding..
PreReq: 7-zip tools installed. Proceeding..
PreReq: Credentials Detected. Proceeding..
WARNING: Valid values for attribute 'SamAccountName' should end with '$'; the filter clause '(SamAccountName -like  )' may not work as intended.
Get-ADComputer : The search filter cannot be recognized
At C:\support\Get-log4j-Windows.ps1:88 char:12
+ $Servers = Get-ADComputer -Filter "SamAccountName -like '$($AdCompSea ...
+            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Get-ADComputer], ADException
    + FullyQualifiedErrorId : ActiveDirectoryServer:8254,Microsoft.ActiveDirectory.Management.Commands.GetADComputer
 
0.) Ping AD servers to make sure online..
Test-Connection : Cannot validate argument on parameter 'ComputerName'. The argument is null or empty. Provide an argument that is not null or empty, and then try the command again.
At C:\support\Get-log4j-Windows.ps1:120 char:63
+ ...  IF (Test-Connection -BufferSize 32 -Count 1 -ComputerName $_ -Quiet) ...
+                                                                ~~
    + CategoryInfo          : InvalidData: (:) [Test-Connection], ParameterBindingValidationException
    + FullyQualifiedErrorId : ParameterArgumentValidationError,Microsoft.PowerShell.Commands.TestConnectionCommand
 
1.) Complete.
2.) Splitting 0 AD servers into blocks of 1 Servers each..
3.) Complete.
4.) Multi-thread Searching blocks of servers..
5.) Complete.
6.) Building Report Object..
7.) Complete.
8.) --All Complete--
9.) ------------------