---
title: "Unregister-Collector"
description: "This cmdlet removes the Collector with the specified ID from configuration of the Virtualization Extensions Service. You cannot unregister a Collector that has monitoring jobs assigned if it is the only Collector in a monitoring group."
canonical: "https://helpcenter.veeam.com/docs/mp/veshell/unregister-collector.html"
breadcrumb: "Veeam MP VEShell Reference > VEShell Cmdlets > Unregister-Collector"
dateModified: "2026-09-10"
---

# Unregister-Collector

Unregisters a Collector from the Virtualization Extension Service.

**Applies to versions**: 8.0, 9.0, 9a

## Syntax

```
Unregister-Collector [-CollectorId] <String> [-VESServer <Object>] [<CommonParameters>]
```

## Detailed Description

This cmdlet removes the Collector with the specified ID from configuration of the Virtualization Extensions Service.

::: note

You cannot unregister a Collector that has monitoring jobs assigned if it is the only Collector in a monitoring group.

:::

## Parameters

### -CollectorId \<String\>

Specifies Id of the Collector that should be unregistered.

::: tip

To get the list of registered Collectors, their Ids and names, use the [`Get-Collector`](get-collector.md) cmdlet.

:::

<table style="width:500px; head-row-background-color:#c5e2ff; alt-row-background-color:#f5f5f5;" class="Blue_Table">
  <tr style="vertical-align:top">
    <th colspan="2" style="height:19px;">
      <p>Description</p>
    </th>
  </tr>
  <tr style="vertical-align:top">
    <td style="width:228px; height:19px;">
      <p>Aliases</p>
    </td>
    <td style="width:268px; height:19px;"></td>
  </tr>
  <tr style="vertical-align:top">
    <td style="width:228px; height:19px;">
      <p>Required?</p>
    </td>
    <td style="width:268px; height:19px;">
      <p>True</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="width:228px; height:19px;">
      <p>Position?</p>
    </td>
    <td style="width:268px; height:19px;">
      <p>1</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="width:228px; height:19px;">
      <p>Default Value</p>
    </td>
    <td style="width:268px; height:19px;"></td>
  </tr>
  <tr style="vertical-align:top">
    <td style="width:228px; height:19px;">
      <p>Accept Pipeline Input?</p>
    </td>
    <td style="width:268px; height:19px;">
      <p>True (ByValue, ByPropertyName)</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="width:228px; height:19px;">
      <p>Accept Wildcard Characters?</p>
    </td>
    <td style="width:268px; height:19px;">
      <p>False</p>
    </td>
  </tr>
</table>

### -VESServer

Specifies the Virtualization Extensions server. You can pass the following types of values:

- Name of a machine (remote or local) where the Virtualization Extensions Service runs. 

  Acceptable formats for the input value are: server name (such as "localhost" or "."), IP address (such as "172.15.19.6") and FQDN (such as "localhost.veeam.local").

- [Veeam.Psves.VesConnection](connection.md) object.

For more information, type “[get-help about_VESServerParameter](connection_parameter.md)”.

<table style="width:500px; head-row-background-color:#c5e2ff; alt-row-background-color:#f5f5f5;" class="Blue_Table">
  <tr style="vertical-align:top">
    <th colspan="2" style="height:19px;">
      <p>Description</p>
    </th>
  </tr>
  <tr style="vertical-align:top">
    <td style="width:228px; height:19px;">
      <p>Aliases</p>
    </td>
    <td style="width:268px; height:19px;"></td>
  </tr>
  <tr style="vertical-align:top">
    <td style="width:228px; height:19px;">
      <p>Required?</p>
    </td>
    <td style="width:268px; height:19px;">
      <p>False</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="width:228px; height:19px;">
      <p>Position?</p>
    </td>
    <td style="width:268px; height:19px;">
      <p>Named</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="width:228px; height:19px;">
      <p>Default Value</p>
    </td>
    <td style="width:268px; height:19px;"></td>
  </tr>
  <tr style="vertical-align:top">
    <td style="width:228px; height:19px;">
      <p>Accept Pipeline Input?</p>
    </td>
    <td style="width:268px; height:19px;">
      <p>False</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="width:228px; height:19px;">
      <p>Accept Wildcard Characters?</p>
    </td>
    <td style="width:268px; height:19px;">
      <p>False</p>
    </td>
  </tr>
</table>

### \<CommonParameters\>

This cmdlet supports Microsoft PowerShell common parameters. For more information about common parameters, see [Microsoft Docs](http://go.microsoft.com/fwlink/p/?LinkID=113216).

## Notes

If the `-VESServer` parameter is not specified, the cmdlet will connect to the Virtualization Extensions Service on the local machine.

## Input

The cmdlet accepts the following types of values for the `-CollectorId` parameter:

- System.String (you can pass the Collector Id, the Id value is used exactly as it is typed)
- [Veeam.Psves.Collector](collector.md) (you can pass the Collector object)

## Output

The cmdlet does not return any output.

## Example 1

This command unregisters the Collector with Id “1234abc5-6d78-9e11-fgh-98765i54321j”.

```
Unregister-Collector -CollectorId 1234abc5-6d78-9e11-fgh-98765i54321j
```

## Example 2

This command unregisters Collector named “veeamcol1”.

```
Get-Collector veeamcol1 -SelectByName | Unregister-Collector
```

## Example 3

This command unregisters all Collectors.

```
Get-Collector | Unregister-Collector
```