Test-MigrationServerAvailability

This parameter is available only in the cloud-based service.

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This parameter is available only in the cloud-based service.

The Authentication parameter specifies the authentication method used by the on-premises mail server. Use Basic or NTLM. If you don't include this parameter, Basic authentication is used.

The parameter is only used for cutover Exchange migrations and staged Exchange migrations.

The Autodiscover switch specifies that the command should use the Autodiscover service to obtain the connection settings for the target server. You don't need to specify a value with this switch.

The Compliance switch specifies that the endpoint type is compliance. You don't need to specify a value with this switch.

The Confirm switch specifies whether to show or hide the confirmation prompt. How this switch affects the cmdlet depends on if the cmdlet requires confirmation before proceeding.

• Destructive cmdlets (for example, Remove-* cmdlets) have a built-in pause that forces you to acknowledge the command before proceeding. For these cmdlets, you can skip the confirmation prompt by using this exact syntax: -Confirm:$false.
• Most other cmdlets (for example, New-* and Set-* cmdlets) don't have a built-in pause. For these cmdlets, specifying the Confirm switch without a value introduces a pause that forces you acknowledge the command before proceeding.

The Credentials parameter specifies the username and password for an account that can access mailboxes on the target server. Specify the username in the domain\username format or the user principal name (UPN) (user@example.com) format.

A value for this parameter requires the Get-Credential cmdlet. To pause this command and receive a prompt for credentials, use the value (Get-Credential). Or, before you run this command, store the credentials in a variable (for example, $cred = Get-Credential) and then use the variable name ($cred) for this parameter. For more information, see Get-Credential.

The EmailAddress parameter specifies the email address of an administrator account that can access the remote server. This parameter is required when you use the Autodiscover parameter.

The Endpoint parameter specifies the name of the migration endpoint to connect to. A migration endpoint contains the connection settings and other migration configuration settings. If you include this parameter, the Test-MigrationServerAvailability cmdlet attempts to verify the ability to connect to the remote server using the settings in the migration endpoint.

This parameter is available only in the cloud-based service.

The ExchangeOutlookAnywhere switch specifies a migration type for migrating on-premises mailboxes to Exchange Online. You don't need to specify a value with this switch.

Use this switch if you plan to migrate mailboxes to Exchange Online using a staged Exchange migration or a cutover Exchange migration.

The ExchangeRemoteMove switch specifies a migration type where mailboxes are moved with full fidelity between two on-premises forests or between an on-premises forest and Exchange Online. You don't need to specify a value with this switch.

Use this switch if you plan to perform a cross-forest move or migrate mailboxes between an on-premises Exchange organization and Exchange Online in a hybrid deployment.

This parameter is available only in the cloud-based service.

The ExchangeServer parameter specifies the FQDN of the on-premises Exchange server. Use this parameter when you plan to perform a staged Exchange migration or a cutover Exchange migration. This parameter is required if you don't use the Autodiscover parameter.

The FilePath parameter specifies the path containing the PST files when testing a PST Import migration endpoint.

This parameter is available only in the cloud-based service.

The Gmail parameter specifies Gmail as the migration type. You don't need to specify a value with this switch.

This switch is required when you want to migrate data from a Google Workspace (formerly G Suite) tenant to Exchange Online mailboxes.

This parameter is available only in the cloud-based service.

The Imap parameter specifies an IMAP migration type. You don't need to specify a value with this switch.

This switch is required when you want to migrate data from an IMAP mail server to Exchange Online mailboxes.

This parameter is available only in the cloud-based service.

The MailboxPermission parameter specifies what permissions are assigned to the migration administrator account defined by the Credentials parameter. You make the permissions assignment to test the connectivity to a user mailbox on the source mail server when you're testing the connection settings in preparation for a staged or cutover Exchange migration or for creating an Exchange Outlook Anywhere migration endpoint.

Specify one of the following values for the account defined by the Credentials parameter:

• FullAccess: The account has been assigned the Full-Access permission to the mailboxes that will be migrated.
• Admin: The account is a member of the Domain Admins group in the organization that hosts the mailboxes that will be migrated.

This parameter isn't used for testing the connection to the remote server for a remote move migration or an IMAP migration.

This parameter is available only in the cloud-based service.

This parameter is reserved for internal Microsoft use.

This parameter is available only in the cloud-based service.

The Port parameter specifies the TCP port number used by the IMAP migration process to connect to the target server. This parameter is required only for IMAP migrations.

The standard is to use port 143 for unencrypted connections, port 143 for Transport Layer Security (TLS), and port 993 for Secure Sockets Layer (SSL).

This parameter is available only in on-premises Exchange.

This parameter is reserved for internal Microsoft use.

This parameter is available only in the cloud-based service.

This parameter is reserved for internal Microsoft use.

This parameter is available only in the cloud-based service.

This parameter is reserved for internal Microsoft use.

The PublicFolderToUnifiedGroup switch specifies that the endpoint type is public folders to Microsoft 365 Groups. You don't need to specify a value with this switch.

The RemoteServer parameter specifies the FQDN of the on-premises mail server. This parameter is required when you want to perform one of the following migration types:

• Cross-forest move
• Remote move (hybrid deployments)
• IMAP migration

This parameter is available only in the cloud-based service.

The RPCProxyServer parameter specifies the FQDN of the RPC proxy server for the on-premises Exchange server. This parameter is required when you don't use the Autodiscover parameter. Use this parameter if you plan to perform a staged Exchange migration or a cutover Exchange migration to migrate mailboxes to Exchange Online.

This parameter is available only in the cloud-based service.

For an IMAP migration, the Security parameter specifies the encryption method used by the remote mail server. The options are None, Tls, or Ssl.

This parameter is available only in the cloud-based service.

The ServiceAccountKeyFileData parameter is used to specify information needed to authenticate as a service account. The data should come from the JSON key file that is downloaded when the service account that has been granted access to your remote tenant is created.

A valid value for this parameter requires you to read the file to a byte-encoded object using the following syntax: ([System.IO.File]::ReadAllBytes('<Path>\<FileName>')). You can use this command as the parameter value, or you can write the output to a variable ($data = [System.IO.File]::ReadAllBytes('<Path>\<FileName>')) and use the variable as the parameter value ($data).

This parameter is available only in the cloud-based service.

The SourceMailboxLegacyDN parameter specifies a mailbox on the target server. Use the LegacyExchangeDN for the on-premises test mailbox as the value for this parameter. The cmdlet will attempt to access this mailbox using the credentials for the administrator account on the target server.

This parameter is available only in the cloud-based service.

The TestMailbox parameter specifies a mailbox on the target server. Use the primary SMTP address as the value for this parameter. The cmdlet will attempt to access this mailbox using the credentials for the administrator account on the target server.

The WhatIf switch simulates the actions of the command. You can use this switch to view the changes that would occur without actually applying those changes. You don't need to specify a value with this switch.