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Active Directory and Exchange Online - Migration and Synchronizing

Answered Active Directory and Exchange Online - Migration and Synchronizing

  • Tuesday, June 28, 2011 10:54 AM
     
     
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    Hello!

    Together with a colleague of mine I am preparing for a project, where I do need some help/input.

    Scenario:
    - Customer is using a SBS 2003 with ca. 30-40 users.
    - Their IT will be changed to a 2008R2 Hyper-V based cluster (no SBS) without any on premise exchange server, which (of course) is a different part of the project.
    - Exchange will be completely moved online. Customer bought (will buy, once released) Office365 E3 Plan.

    Now the AD and mailboxes will have to be migrated to Office365 exchange online. For this there are may tools, guides and web casts.

    Now my first question:
    - When the on premise exchange server got migrated to exchange online, will there be a continous sync between the local AD and exchange online? So that changes made in the local AD will sync with exchange online? So far I assumed that this will be so, but while reading a bit in the migration guide doubts arose. At some point it sounded like this will only be the case in a coexistence scenario with an on premise exchanger.

    In case it is syncing this prompts for question Nr. 2:
    - Once migrated from SBS2003 to exchange online we are changing the customers IT environment to 2008R2 (without exchange).  Will the AD of the new server still sync with exchange online once the migration tools are installed? Domain stays the same.

    Hope someone has an answer or hint where to find one.
    Thanks a lot!
    Ralf DK

     

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  • Tuesday, June 28, 2011 7:17 PM
     
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    Dirsync does not sync passwords, so if you're looking for SSO with AD & the Cloud you will need to implement ADFS 2.0 when you migrate to Office 365. If you don't want to implement ADFS you will essentially be maintaining two identities for each user, one in the local AD and one for Office 365.

     

    Here is the Office 365 roadmap for both.

    http://onlinehelp.microsoft.com/en-us/office365-enterprises/ff637606.aspx

     
  • Wednesday, June 29, 2011 9:09 AM
     
     
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    Dear mlawniczak,

    tks for yr reply. I will take a look at the two road maps to gain some more grasp of the subject and may come back with any questions.

    RalfDK