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azcmagent connect

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Connects the server to Azure Arc by creating a metadata representation of the server in Azure and associating the Azure connected machine agent with it. The command requires information about the tenant, subscription, and resource group where you want to represent the server in Azure and valid credentials with permissions to create Azure Arc-enabled server resources in that location.

Usage

azcmagent connect [authentication] --subscription-id [subscription] --resource-group [resourcegroup] --location [region] [flags]

Examples

Connect a server using the default login method (interactive browser or device code).

azcmagent connect --subscription-id "Production" --resource-group "HybridServers" --location "eastus"

azcmagent connect --subscription-id "Production" --resource-group "HybridServers" --location "eastus" --use-device-code

Connect a server using a service principal.

azcmagent connect --subscription-id "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee" --resource-group "HybridServers" --location "australiaeast" --service-principal-id "ID" --service-principal-secret "SECRET" --tenant-id "TENANT"

Connect a server using a private endpoint and device code login method.

azcmagent connect --subscription-id "Production" --resource-group "HybridServers" --location "koreacentral" --use-device-code --private-link-scope "/subscriptions/.../Microsoft.HybridCompute/privateLinkScopes/ScopeName"

Authentication options

There are four ways to provide authentication credentials to the Azure connected machine agent. Choose one authentication option and replace the [authentication] section in the usage syntax with the recommended flags.

Interactive browser login (Windows-only)

This option is the default on Windows operating systems with a desktop experience. It login page opens in your default web browser. This option might be required if your organization configured conditional access policies that require you to log in from trusted machines.

No flag is required to use the interactive browser login.

Device code login

This option generates a code that you can use to log in on a web browser on another device. This is the default option on Windows Server core editions and all Linux distributions. When you execute the connect command, you have 5 minutes to open the specified login URL on an internet-connected device and complete the login flow.

To authenticate with a device code, use the --use-device-code flag. If the account you're logging in with and the subscription where you're registering the server aren't in the same tenant, you must also provide the tenant ID for the subscription with --tenant-id [tenant].

Service principal with secret

Service principals allow you to authenticate non-interactively and are often used for at-scale deployments where the same script is run across multiple servers. Microsoft recommends providing service principal information via a configuration file (see --config) to avoid exposing the secret in any console logs. The service principal should also be dedicated for Arc onboarding and have as few permissions as possible, to limit the impact of a stolen credential.

To authenticate with a service principal using a secret, provide the service principal's application ID, secret, and tenant ID: --service-principal-id [appid] --service-principal-secret [secret] --tenant-id [tenantid]

Service principal with certificate

Certificate-based authentication is a more secure way to authenticate using service principals. The agent accepts both PCKS #12 (.PFX) files and ASCII-encoded files (such as .PEM) that contain both the private and public keys. The certificate must be available on the local disk and the user running the azcmagent command needs read access to the file. Password-protected PFX files are not supported.

To authenticate with a service principal using a certificate, provide the service principal's application ID, tenant ID, and path to the certificate file: --service-principal-id [appId] --service-principal-cert [pathToPEMorPFXfile] --tenant-id [tenantid]

For more information, see create a service principal for RBAC with certificate-based authentication.

Access token

Access tokens can also be used for non-interactive authentication, but are short-lived and typically used by automation solutions onboarding several servers over a short period of time. You can get an access token with Get-AzAccessToken or any other Microsoft Entra client.

To authenticate with an access token, use the --access-token [token] flag. If the account you're logging in with and the subscription where you're registering the server aren't in the same tenant, you must also provide the tenant ID for the subscription with --tenant-id [tenant].

Flags

--access-token

Specifies the Microsoft Entra access token used to create the Azure Arc-enabled server resource in Azure. For more information, see authentication options.

--automanage-profile

Resource ID of an Azure Automanage best practices profile that will be applied to the server once it's connected to Azure.

Sample value: /providers/Microsoft.Automanage/bestPractices/AzureBestPracticesProduction

--cloud

Specifies the Azure cloud instance. Must be used with the --location flag. If the machine is already connected to Azure Arc, the default value is the cloud to which the agent is already connected. Otherwise, the default value is "AzureCloud".

Supported values:

  • AzureCloud (public regions)
  • AzureUSGovernment (Azure US Government regions)
  • AzureChinaCloud (Microsoft Azure operated by 21Vianet regions)

--correlation-id

Identifies the mechanism being used to connect the server to Azure Arc. For example, scripts generated in the Azure portal include a GUID that helps Microsoft track usage of that experience. This flag is optional and only used for telemetry purposes to improve your experience.

--ignore-network-check

Instructs the agent to continue onboarding even if the network check for required endpoints fails. You should only use this option if you're sure that the network check results are incorrect. In most cases, a failed network check indicates that the Azure Connected Machine agent won't function correctly on the server.

-l, --location

The Azure region to check connectivity with. If the machine is already connected to Azure Arc, the current region is selected as the default.

Sample value: westeurope

--private-link-scope

Specifies the resource ID of the Azure Arc private link scope to associate with the server. This flag is required if you're using private endpoints to connect the server to Azure.

-g, --resource-group

Name of the Azure resource group where you want to create the Azure Arc-enabled server resource.

Sample value: HybridServers

-n, --resource-name

Name for the Azure Arc-enabled server resource. By default, the resource name is:

  • The AWS instance ID, if the server is on AWS
  • The hostname for all other machines

You can override the default name with a name of your own choosing to avoid naming conflicts. Once chosen, the name of the Azure resource can't be changed without disconnecting and re-connecting the agent.

If you want to force AWS servers to use the hostname instead of the instance ID, pass in $(hostname) to have the shell evaluate the current hostname and pass that in as the new resource name.

Sample value: FileServer01

-i, --service-principal-id

Specifies the application ID of the service principal used to create the Azure Arc-enabled server resource in Azure. Must be used with the --tenant-id and either the --service-principal-secret or --service-principal-cert flags. For more information, see authentication options.

--service-principal-cert

Specifies the path to a service principal certificate file. Must be used with the --service-principal-id and --tenant-id flags. The certificate must include a private key and can be in a PKCS #12 (.PFX) or ASCII-encoded text (.PEM, .CRT) format. Password-protected PFX files are not supported. For more information, see authentication options.

-p, --service-principal-secret

Specifies the service principal secret. Must be used with the --service-principal-id and --tenant-id flags. To avoid exposing the secret in console logs, Microsoft recommended providing the service principal secret in a configuration file. For more information, see authentication options.

-s, --subscription-id

The subscription name or ID where you want to create the Azure Arc-enabled server resource.

Sample values: Production, aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee

--tags

Comma-delimited list of tags to apply to the Azure Arc-enabled server resource. Each tag should be specified in the format: TagName=TagValue. If the tag name or value contains a space, use single quotes around the name or value.

Sample value: Datacenter=NY3,Application=SharePoint,Owner='Shared Infrastructure Services'

-t, --tenant-id

The tenant ID for the subscription where you want to create the Azure Arc-enabled server resource. This flag is required when authenticating with a service principal. For all other authentication methods, the home tenant of the account used to authenticate with Azure is used for the resource as well. If the tenants for the account and subscription are different (guest accounts, Lighthouse), you must specify the tenant ID to clarify the tenant where the subscription is located.

--use-device-code

Generate a Microsoft Entra device login code that can be entered in a web browser on another computer to authenticate the agent with Azure. For more information, see authentication options.

--user-tenant-id

The tenant ID for the account used to connect the server to Azure. This field is required when the tenant of the onboarding account isn't the same as the desired tenant for the Azure Arc-enabled server resource.

Common flags available for all commands

--config

Takes in a path to a JSON or YAML file containing inputs to the command. The configuration file should contain a series of key-value pairs where the key matches an available command line option. For example, to pass in the --verbose flag, the configuration file would look like:

{
    "verbose": true
}

If a command line option is found in both the command invocation and a configuration file, the value specified on the command line will take precedence.

-h, --help

Get help for the current command, including its syntax and command line options.

-j, --json

Output the command result in the JSON format.

--log-stderr

Redirect error and verbose messages to the standard error (stderr) stream. By default, all output is sent to the standard output (stdout) stream.

--no-color

Disable color output for terminals that do not support ANSI colors.

-v, --verbose

Show more detailed logging information while the command executes. Useful for troubleshooting issues when running a command.