Get current number of FTP client connections (NonAnonymous) with PowerShell and Get-Counter

Ever wanted to know the current number of active FTP client connections on your Windows Server IIS FTP Service? You can get this statistic using PowerShell, the Get-Counter cmdlet and the Microsoft FTP Service Current NonAnonymous Users performance counter.

In my case, I have an NLB FTP cluster of three FTP servers, and I wanted know the number of current connected users. They’re non-anonymous, because they’ve authenticated and are logged on.

In PowerShell, use the Get-Counter cmdlet and connect to your FTP servers:

PS C:\Users\jan> Get-Counter ` >> -ComputerName ftp-01, ftp-02, ftp-03 ` >> "\Microsoft FTP Service(_total)\Current NonAnonymous Users" >> Timestamp CounterSamples --------- -------------- 5/3/2016 1:49:54 PM \\ftp-01\\microsoft ftp service(_total)\current nonanonymous users : 180 \\ftp-02\\microsoft ftp service(_total)\current nonanonymous users : 133 \\ftp-03\\microsoft ftp service(_total)\current nonanonymous users : 100
Code language: PowerShell (powershell)

Remove the back ticks (`) to put the command on one line. The Get-Counter cmdlet information on Technet provides more information and samples.

PowerShell #PSTip: List all available IIS FTP Performance Counters

You can use (Get-Counter -ComputerName ftp-01 -ListSet '*').counter to list and display all available performance counters in PowerShell.

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