Office 365 Migration Duration

I get asked this a lot, how long will the migration take.

The duration is very hard to estimate. Read the rest of Office 365 Migration Duration »

Posted in Cloud Email Migrations Office 365 by Declan Conroy. . No Comments

msExchMailboxGuid and Office 365

The msExchMailboxGuid attribute is the one that associates an AD user with an Exchange mailbox.

As the name implies, it’s the Globally Unique ID of your MS Exchange Mailbox. Read the rest of msExchMailboxGuid and Office 365 »

NotSupportedWithServerVersionException

I was in the middle of an Exchange 2003 to Exchange 2013 migration on prem, via Exchange 2010. We had initially started with Exchange 2013 SP1 (CU4)

I deliberately held off on CU6, because the feedback I had read seemed to imply it was less than stable, although admittedly the issues discovered with CU6 seemed mainly to relate to 2007 coexistence.

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DirSync with Exchange to Office365 and 3rd Party Migration Tools

DirSync (Windows Azure Active Directory Sync) is the easy way to ensure that your local AD users exist in Office 365. Read the rest of DirSync with Exchange to Office365 and 3rd Party Migration Tools »

Posted in Active-Directory Cloud DirSync Email Migrations Office 365 by Declan Conroy. . Comments Off

Office 365 Staged Migration

Performing an Office 365 Staged Migration seems self explanatory.

When I take off my technical hat, “staged” would imply something planned to occur in stages or batches. Read the rest of Office 365 Staged Migration »