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Migration to Office 365

joealexs
over 7 years ago

Hello,

Thank you for a wonderful product.

We are preparing a proposal for customer where 8045 mailboxes will be migrated to office 365.

It is noticed that approximately 2100 users are using RDS and use outlook in online mode.

They also access shared mailboxes in online mode. Shared mailboxes are about 1600.

On the other hand , we see that approx 4000 mailboxes are using laptops .

Some are using online mode and some are using cached exchange mode.

We would like to know if there will be any impact to users when the mailboxes will be copied to office 365.

We plan to do a full sync and then run delta sync after the full sync.

All mailboxes are distributed in 20 databases and we have 30 mailbox which are 10GB- 20GB in size and these users are in cached exchange mode.

  • 0 over 7 years ago
    If you look at the Forum threads list, there is a discussion about this from just this week.

    Short answer: Users in online mode will likely experience service degradation. Highly recommend performing syncing off hours.
  • 0 over 7 years ago
    Hello Sir,

    Thank you for the fast reply. I will check the thread.
  • 0 over 7 years ago
    When using Outlook in online mode you will see a performance slowdown for users when the agents are running. This is not a result of the tool but how Outlook communicates with Office 365 and the amount of calls going back and forth when the agents are running along with all the Outlook calls going to Office 365.

    As JohnnyQuest stated that it's best to perform the sync during off hours to minimize this impact.
  • 0 over 7 years ago
    Hello,

    Appreciate the help.

    My conclusion from your advice is even if we change the online laptop users in cached exchange mode , still user will face performance issues in exchange.

    We cannot deploy cached exchange mode in RDS for known reasons.

    We will now propose to customer that sync will be done during off business hours only.

    Thank you again.