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Before you can migrate Microsoft® Exchange data to Google Apps, you need to make the following configurations in the Google Apps control panel:

  • Set the Email Migration API (EMAPI) option in the control panel

  • Enable OAuth client access so the utility can access the user accounts in Google Apps

For more information about configuring Google Apps, see “Configure Google Apps” on page 19.

Mail Server

Google Apps Migration for Microsoft® Exchange requires one administrative account on your Microsoft® Exchange Server that has read/write permission for each user’s mailbox. The Microsoft® Exchange permission Receive As is sufficient for this task. For other mail servers, see your mail server administration documentation.

For IMAP migration, you don’t need an administrator’s account or password. Instead, you will need to provide the individual username and password for each user being migrated.

M i c r o s o f t ® W i n d o w s c l i e n t m a c h i n e

Each client machine needs to have the following minimum configuration:

  • Microsoft® Windows: Windows XP SP3, Windows Vista Business SP1 or later, Windows

7, Windows Server 2003 SP 2 or later

Microsoft Outlook® 2003, 2007, or 2010 (required only for migrating from Microsoft Exchange Server or PST files)


W e r e c o m m e n d t h a t y o u u s e t h e l a t e s t p a t c h e s f o r b o t h M i c r o s o f t ® W i n d o w s a n d M i c r o s o f t Outlook®.

Important: Be sure to install the latest Time Zone patch. For more information, see the Microsoft Support page Daylight Saving Time Help and Support Center.

Provision users in Google Apps

Before you migrate your users, provision Google Apps accounts for them. For information about provisioning user accounts, see the Google Apps for Business Technical Transition Guide.

Avoid Calendar issues

To ensure that migrated calendar data will be associated with the correct Google Apps accounts, make sure you provision all your users in Google Apps before you migrate any accounts—even if you want to perform only a partial migration. Otherwise, the following issue might occur:


Google Apps Migration for Microsoft


Exchange Administration Guide

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