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Nov 6, 2019
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update limitations of ListSet #5058

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33 changes: 21 additions & 12 deletions reference/7/Microsoft.PowerShell.Diagnostics/Get-Counter.md
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Expand Up @@ -3,7 +3,7 @@ external help file: Microsoft.PowerShell.Commands.Diagnostics.dll-Help.xml
keywords: powershell,cmdlet
locale: en-us
Module Name: Microsoft.PowerShell.Diagnostics
ms.date: 10/30/2019
ms.date: 11/06/2019
online version: https://docs.microsoft.com/powershell/module/microsoft.powershell.diagnostics/get-counter?view=powershell-7&WT.mc_id=ps-gethelp
schema: 2.0.0
title: Get-Counter
Expand Down Expand Up @@ -133,20 +133,22 @@ This example uses the pipeline to get the counter list set and then sort the lis
order.

```powershell
Get-Counter -ListSet * | Sort-Object -Property CounterSetName | Format-Table -AutoSize
Get-Counter -ListSet * |
Sort-Object -Property CounterSetName |
Format-Table CounterSetName, CounterSetType -AutoSize
```

```Output
CounterSetName MachineName CounterSetType Description
-------------- ----------- -------------- -----------
.NET CLR Data . SingleInstance .Net CLR Data
.NET Data Provider for SqlServer . SingleInstance Counters for System.Data.SqlClient
AppV Client Streamed Data Percentage . SingleInstance Size of data streamed to disk ...
Authorization Manager Applications . SingleInstance The set of Counters for ...
BitLocker . MultiInstance BitLocker Drive Encryption ...
Bluetooth Device . SingleInstance Counters related to a remote ...
Cache . SingleInstance The Cache performance object ...
Client Side Caching . SingleInstance Performance counters for SMB ...
CounterSetName CounterSetType
-------------- --------------
.NET CLR Data SingleInstance
.NET Data Provider for SqlServer SingleInstance
AppV Client Streamed Data Percentage SingleInstance
Authorization Manager Applications SingleInstance
BitLocker MultiInstance
Bluetooth Device SingleInstance
Cache SingleInstance
Client Side Caching SingleInstance
```

`Get-Counter` uses the **ListSet** parameter with an asterisk (`*`) to get a complete list of
Expand Down Expand Up @@ -541,6 +543,10 @@ For example to send each **Processor** counter path to `Get-Counter`:

`Get-Counter -ListSet Processor | Get-Counter`

> [!NOTE]
> In PowerShell 7, `Get-Counter` can't retrieve the **Description** property of the counter set. The
> **Description** is set to `$null`.

```yaml
Type: String[]
Parameter Sets: ListSetSet
Expand Down Expand Up @@ -629,6 +635,9 @@ increase the interval.
The **MaxSamples** and **SampleInterval** values apply to all the counters on each computer in the
command. To set different values for different counters, enter separate `Get-Counter` commands.

In PowerShell 7, when using the **ListSet** parameter, `Get-Counter` can't retrieve the
**Description** property of the counter set. The **Description** is set to `$null`.

## RELATED LINKS

[about_Automatic_Variables](../Microsoft.PowerShell.Core/About/about_Automatic_Variables.md)
Expand Down