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On Demand Migration for Email Current - User Guide

Introduction Preparing Migrations Test and Pilot Migrations Configuring and Running Migrations Post Migration Third Party Assessments and Certifications Glossary

Connecting to the Target Email Service

Connecting to the Target Email Service

Refer to the sections below for instructions specific to your target server.

Microsoft Office 365

Microsoft Office 365

Specify the following values to connect to the Office 365 target email service:

  • Server Name — You can enter the name of the Office 365 server as it appears in the address bar when you log in as an administrator to your account, or you can use the auto-discovery option.
  • Use auto-discovery — It is recommended that you use auto-discovery to obtain the name of your Office 365 server.

Auto-discovery uses your login credentials to automatically obtain the server name during a migration. With auto-discovery, On Demand Migration for Email connects directly to the Office 365 auto-discovery endpoints, meaning that you don't have to configure your DNS to take advantage of auto-discovery. You do need to make sure that all your mailboxes exist in Office 365 before migrating data into them.

  • Use end-user credentials — Select this option if you want to connect to the email service using the passwords for each mailbox instead of the credentials of the administrator account. If selected, you must specify the password for each target mailbox. For more information, see Adding Mailboxes.
  • Admin User Name and Password — The name and password of the administrator account.

To migrate data to Office 365, your administrator account must have Application Impersonation rights, which means the account must be assigned to a Role-Based Access Control group that has Application Impersonation rights. For more information, see Preparing Your Target Email Service for Migration.

Microsoft Exchange 2010/2013/2016

Microsoft Exchange 2010/2013/2016/2019

Specify the following values to connect to your Exchange 2010/2013/2016/2019 target email service:

  • Server URL— You can enter the URL of the Exchange 2010/2013/2016/2019 server manually, or you can use the auto-discovery option.

If you are not using HTTPS for Outlook Web Access (OWA), enter the full URL for your EWS service, e.g., http://servername/EWS/Service.ASMX.

If you are using SSL, enter the name of your Exchange 2010/2013/2016/2019 server manually (e.g., exchange.example.com).

 

Note: If your server does not support SSL, all mailbox data will be transmitted non-encrypted. Use SSL connections if possible to secure your data. ODME supports self-signed SSL certificates. For information on generating a properly formatted self-signed SSL certificate, see Using Self-Signed SSL Certificates.

  • Use auto-discovery — Use auto-discovery to obtain the server URL. During a migration, this option uses the specified user name and password to retrieve the server URL that hosts your Exchange Web Services (EWS) server for the given mailbox.

If you are having problems with auto-discovery, you can test your external connectivity using a free tool from Microsoft. The following website can be used to validate if your services are working properly. Please go to https://www.testexchangeconnectivity.com to test your Exchange connectivity.

  • Use end-user credentials — Select this option if you want to connect to the email service using the passwords for each mailbox instead of the credentials of the administrator account. If selected, you must specify the password for each target mailbox. For more information, see Adding Mailboxes.
  • Admin User Name and Password — The name and password of the administrator account.

The Admin User Name value is the account's UPN or domain credentials (e.g., domain\username). For more information about UPNs and how to determine which domain you are using for your users, please see Active Directory naming on the Microsoft Technet site.

Using Self-Signed SSL Certificates

Using Self-Signed SSL Certificates

When using self-signed SSL certificates to connect to an email service provider, the Issued By and Subject fields must match.

Windows-Based Systems

To generate a properly formatted certificate for Windows-based systems, use the SelfSSL utility packaged with the IIS 6.0 Resource Kit (available for download on http://www.microsoft.com/en-us/download/details.aspx?id=17275) and execute a command with the following syntax:

selfssl.exe /n:CN=autodiscover.domain.com /v:9999

Where /n: defines the Subject (which needs to match the issuer) and /v: is the number of days for which the cert is valid.

Linux-Based Systems

To generate a properly formatted certificate for Linux-based systems, use the OpenSSL utility (available for download on http://www.openssl.org/) and execute the following commands:

KEY + REQUEST

openssl req -out domain.com.csr -new -newkey rsa:2048 -keyout domain.com.key

CERT

openssl x509 -req -days 2000 -text -in domain.com.csr -signkey domain.com.key -out domain.com.crt

CONVERT CRT KEY TO PFX

openssl pkcs12 -export -out domain.com.pfx -inkey domain.com.key -in domain.com.crt

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