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‎docs/reference/resources/Microsoft/OpenSSH/SSHD/Windows/examples/configure-default-shell-powershell.md‎

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---
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description: >
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Example showing how to use Microsoft.OpenSSH.SSHD/Windows to configure the default shell for SSH sessions.
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ms.date: 07/15/2025
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ms.topic: reference
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title: Configure default shell for SSH
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---
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# Configure default shell for SSH
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This example demonstrates how to use the `Microsoft.OpenSSH.SSHD/Windows` resource to
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set the default shell for SSH connections. The examples below configure PowerShell
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as the default shell for all SSH sessions.
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> [!NOTE]
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> You should run this example in an elevated context (as Administrator) to
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> ensure the SSH server configuration can be updated successfully.
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## Test the current default shell
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The following snippet shows how you can use the resource with the [dsc resource test][00] command to check whether PowerShell is set as the default shell.
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```powershell
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$instance = @{
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shell = 'C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe'
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} | ConvertTo-Json
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dsc resource test --resource Microsoft.OpenSSH.SSHD/Windows --input $instance
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```
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When PowerShell is not set as the default shell, DSC returns the following result:
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```yaml
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desiredState:
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shell: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
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actualState: {}
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inDesiredState: false
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differingProperties:
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- shell
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```
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## Set PowerShell as the default shell
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To set PowerShell as the default shell for SSH, use the [dsc resource set][01] command.
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```powershell
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dsc resource set --resource Microsoft.OpenSSH.SSHD/Windows --input $instance
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```
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When the resource updates the default shell, DSC returns the following result:
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```yaml
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beforeState: {}
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afterState:
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shell: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
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changedProperties:
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- shell
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```
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You can test the instance again to confirm that PowerShell is now the default shell:
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```powershell
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dsc resource test --resource Microsoft.OpenSSH.SSHD/Windows --input $instance
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```
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```yaml
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desiredState:
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shell: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
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actualState:
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shell: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
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inDesiredState: true
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differingProperties: []
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```
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## Cleanup
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To restore your system to its original state, use the following command to delete the registry key:
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```powershell
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$params = @{
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Path = 'HKLM:\SOFTWARE\OpenSSH'
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Name = 'DefaultShell'
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}
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Remove-ItemProperty @params
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```
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To verify the configuration is removed, use the `dsc resource get` command:
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```powershell
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dsc resource get --resource Microsoft.OpenSSH.SSHD/Windows --input $instance
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```
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```yaml
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actualState: {}
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```
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<!-- Link reference definitions -->
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[00]: ../../../../../cli/resource/test.md
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[01]: ../../../../../cli/resource/set.md

‎docs/reference/resources/Microsoft/OpenSSH/SSHD/Windows/index.md‎

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- name: <instance name>
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type: Microsoft.OpenSSH.SSHD/Windows
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properties:
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# Required properties
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# Instance properties
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_exist:
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# Add other properties as needed
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shell:
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escapeArguments:
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cmdOption:
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```
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## Description
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- `get` - You can use the resource to retrieve the actual state of an instance.
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- `set` - You can use the resource to enforce the desired state for an instance.
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- `export` - You can use the resource to export the SSHD configuration of existing instances.
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This resource uses the synthetic test functionality of DSC to determine whether an instance is in
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the desired state. For more information about resource capabilities, see
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<!-- Example definitions would need to be created as separate files -->
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1. [Configure default shell PowerShell][03] - Shows how to set the default shell to PowerShell.exe
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1. [Configure default shell PowerShell][01] - Shows how to set the default shell to PowerShell.exe
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## Properties
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The following list describes the properties for the resource.
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- **Required properties:** <a id="required-properties"></a> The following properties are always
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required when defining an instance of the resource. An instance that doesn't define each of these
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properties is invalid. For more information, see the "Required resource properties" section in
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[DSC resource properties][01]
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- [shell](#shell) - The path to the default shell for SSH.
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- **Key properties:** <a id="key-properties"> The following properties uniquely identify an
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instance. If two instances of a resource have the same values for their key properties, the
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instances are conflicting. For more information about key properties, see the "Key resource
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properties" section in [DSC resource properties][02].
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- [shell](#shell) (required) - The path to the default shell for SSH.
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- **Instance properties:** <a id="instance-properties"></a> The following properties are optional.
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They define the desired state for an instance of the resource.
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- [cmd_option](#cmd_option) - Specifies command-line options for the shell.
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- [escape_arguments](#escape_arguments) - Specifies whether shell arguments should be escaped.
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- [shell_arguments](#shell_arguments) - Specifies the arguments to pass to the shell.
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- [shell](#shell) - The path to the default shell for SSH.
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- [cmdOption](#cmdOption) - Specifies command-line options for the shell.
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- [escapeArguments](#escapeArguments) - Specifies whether shell arguments should be escaped.
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### shell
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<details><summary>Expand for <code>shell</code> property metadata</summary>
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```yaml
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Type : string
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IsRequired : true
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IsKey : true
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Type : string, null
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IsRequired : false
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IsKey : false
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IsReadOnly : false
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IsWriteOnly : false
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```
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Defines the path to the default shell executable to use for SSH sessions.
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This property is required and must specify a valid path to an executable on the system.
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### cmd_option
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### cmdOption
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<details><summary>Expand for <code>cmd_option</code> property metadata</summary>
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<details><summary>Expand for <code>cmdOption</code> property metadata</summary>
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```yaml
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Type : string
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Type : string, null
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IsRequired : false
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IsKey : false
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IsReadOnly : false
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Specifies optional command-line options to pass to the shell when it's launched.
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### escape_arguments
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### escapeArguments
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<details><summary>Expand for <code>escape_arguments</code> property metadata</summary>
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<details><summary>Expand for <code>escapeArguments</code> property metadata</summary>
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```yaml
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Type : boolean
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Type : boolean, null
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IsRequired : false
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IsKey : false
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IsReadOnly : false
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Determines whether shell arguments should be escaped. When set to `true`, the arguments provided
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in `shell_arguments` will be properly escaped before being passed to the shell.
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### shell_arguments
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<details><summary>Expand for <code>shell_arguments</code> property metadata</summary>
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```yaml
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Type : array
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ItemsType : string
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ItemsMustBeUnique : false
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ItemsMinimumCount : 0
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IsRequired : false
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IsKey : false
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IsReadOnly : false
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IsWriteOnly : false
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```
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</details>
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Specifies an array of arguments to pass to the shell when it's launched.
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Each element in the array represents a separate argument.
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## Instance validating schema
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The following snippet contains the JSON Schema that validates an instance of the resource. The
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```json
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{
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"type": "object",
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"required": ["shell"],
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"additionalProperties": false,
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"properties": {
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"shell": {
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"type": "string"
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},
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"cmd_option": {
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"type": "string"
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"type": [
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"string",
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"null"
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]
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},
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"escape_arguments": {
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"type": "boolean"
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"cmdOption": {
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"type": [
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"string",
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"null"
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]
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},
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"shell_arguments": {
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"type": "array",
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"items": {
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"type": "string"
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}
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"escapeArguments": {
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"type": [
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"boolean",
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"null"
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]
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}
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}
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}
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- [0](#exit-code-0) - Success
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- [1](#exit-code-1) - Invalid parameter
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- [2](#exit-code-2) - Invalid input
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- [3](#exit-code-3) - SSH configuration error
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- [4](#exit-code-4) - Json serialization failed
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### Exit code 0
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Indicates the resource operation failed due to an invalid parameter. When the resource returns this
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exit code, it also emits an error message with details about the invalid parameter.
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### Exit code 2
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Indicates the resource operation failed because the input instance was invalid. When the resource
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returns this exit code, it also emits one or more error messages with details describing how the
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input instance was invalid.
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### Exit code 3
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Indicates the resource operation failed due to an error in the SSH server configuration. When the
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resource returns this exit code, it also emits the error message related to the SSH configuration issue.
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### Exit code 4
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Indicates the resource operation failed because the result couldn't be serialized to JSON.
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## See also
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- [Microsoft.DSC/PowerShell resource][03]
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- For more information about OpenSSH, see [OpenSSH Documentation][04]
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- [Microsoft.DSC/PowerShell resource][02]
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- For more information about OpenSSH, see [OpenSSH Documentation][03]
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<!-- Link definitions -->
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[00]: ../../../../../concepts/resources/capabilities.md
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[01]: ../../../../../concepts/resources/properties.md#required-resource-properties
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[02]: ../../../../../concepts/resources/properties.md#key-resource-properties
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[03]: ../../../DSC/PowerShell/index.md
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[04]: /windowsserverdocs/WindowsServerDocs/administration/OpenSSH/openssh-overview
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[05]: ./examples/configure-default-shell-powershell.md
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[01]: ./examples/configure-default-shell-powershell.md
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[02]: ../../../DSC/PowerShell/index.md
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[03]: /windowsserverdocs/WindowsServerDocs/administration/OpenSSH/openssh-overview

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